TIMOTHY M. CHEN MD
Prescription History 1720152002
Family Medicine in Oxnard, CA
Medicare Part D Prescription History
Explore the verified Medicare Part D prescription history, volume metrics, and calculated drug costs for TIMOTHY M. CHEN MD, an active Family Medicine specialist practicing in Oxnard, CA. Our medical registry currently tracks 29 unique pharmaceutical formulations prescribed by this provider, representing an estimated volume of 867 documented patient claims. Among these therapy options, the most frequently utilized medication is Amlodipine Besylate, which accounts for 84 claims alone. Use the table below to sort by claims, cost, or utilization compared with the state average; select any medication for its full profile.
| Medication | Prescriptions (2023)Rx (2023) | Avg Cost per FillCost / Fill | Vs. Other CA PrescribersVs. CA Avg |
|---|---|---|---|
| Amlodipine Besylate | 84 | $13.78 | ▼ Less than typical |
About Amlodipine Besylate: Amlodipine is used with or without other medications to treat high blood pressure. Show more ▾ Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems. Amlodipine belongs to a class of drugs known as calcium channel blockers. It works by relaxing blood vessels so blood can flow more easily. Amlodipine is also used to prevent certain types of chest pain (angina). It may help to increase your ability to exercise and decrease the frequency of angina attacks. It should not be used to treat attacks of chest pain when they occur. Use other medications (such as sublingual nitroglycerin) to relieve attacks of chest pain as directed by your doctor. A long-acting dihydropyridine calcium channel blocker. It is effective in the treatment of ANGINA PECTORIS and HYPERTENSION. In 2023, this provider wrote 84 Medicare prescriptions for Amlodipine Besylate, about 61% of the volume of the typical California prescriber of this medication (138). Medicare paid an average of $13.78 per fill, versus $9.16 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill Gross Part D cost per fill; not the patient's out-of-pocket price. 180.2 30-Day Fills standardized to 30-day supplies 5,384 Days of Medication total across all patients in 2023 | |||
| Atorvastatin Calcium | 75 | $18.85 | ▼ Less than typical |
About Atorvastatin Calcium: Atorvastatin is used along with a proper diet to help lower bad cholesterol and fats (such as LDL, triglycerides) and raise good cholesterol (HDL) in the blood. Show more ▾ It belongs to a group of drugs known as statins. It works by reducing the amount of cholesterol made by the liver. Lowering bad cholesterol and triglycerides and raising good cholesterol decreases the risk of heart disease and helps prevent strokes and heart attacks. In addition to eating a proper diet (such as a low-cholesterol/low-fat diet), other lifestyle changes that may help this medication work better include exercising, losing weight if overweight, and stopping smoking. Consult your doctor for more details. A pyrrole and heptanoic acid derivative, HYDROXYMETHYLGLUTARYL-COA REDUCTASE INHIBITOR (statin), and ANTICHOLESTEREMIC AGENT that is used to reduce serum levels of LDL-CHOLESTEROL; APOLIPOPROTEIN B; and TRIGLYCERIDES. It is used to increase serum levels of HDL-CHOLESTEROL in the treatment of HYPERLIPIDEMIAS, and for the prevention of CARDIOVASCULAR DISEASES in patients with multiple risk factors. In 2023, this provider wrote 75 Medicare prescriptions for Atorvastatin Calcium, about a third of the volume of the typical California prescriber of this medication (194). Medicare paid an average of $18.85 per fill, versus $14.16 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill Gross Part D cost per fill; not the patient's out-of-pocket price. 171 30-Day Fills standardized to 30-day supplies 5,130 Days of Medication total across all patients in 2023 | |||
| Lisinopril | 72 | $12.66 | ▼ Less than typical |
About Lisinopril: Lisinopril is used to treat high blood pressure. Show more ▾ Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems. It is also used to treat heart failure and to improve survival after a heart attack. Lisinopril belongs to a class of drugs known as ACE inhibitors. It works by relaxing blood vessels so blood can flow more easily. One of the ANGIOTENSIN-CONVERTING ENZYME INHIBITORS (ACE inhibitors), orally active, that has been used in the treatment of hypertension and congestive heart failure. In 2023, this provider wrote 72 Medicare prescriptions for Lisinopril, about 72% of the volume of the typical California prescriber of this medication (100). Medicare paid an average of $12.66 per fill, versus $9.65 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill Gross Part D cost per fill; not the patient's out-of-pocket price. 172 30-Day Fills standardized to 30-day supplies 5,160 Days of Medication total across all patients in 2023 | |||
| Furosemide | 54 | $8.60 | ≈ Typical |
About Furosemide: Furosemide is used to reduce extra fluid in the body (edema) caused by conditions such as heart failure, liver disease, and kidney disease. Show more ▾ This can lessen symptoms such as shortness of breath and swelling in your arms, legs, and abdomen. This drug is also used to treat high blood pressure. Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems. Furosemide is a water pill (diuretic) that causes you to make more urine. This helps your body get rid of extra water and salt. A benzoic-sulfonamide-furan. It is a diuretic with fast onset and short duration that is used for EDEMA and chronic RENAL INSUFFICIENCY. In 2023, this provider wrote 54 Medicare prescriptions for Furosemide, about 83% of the volume of the typical California prescriber of this medication (65). Medicare paid an average of $8.60 per fill, versus $7.59 statewide. How often this provider prescribes it This provider's prescribing volume for this medication is in line with the average CA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill Gross Part D cost per fill; not the patient's out-of-pocket price. 70.9 30-Day Fills standardized to 30-day supplies 1,890 Days of Medication total across all patients in 2023 | |||
| Levothyroxine Sodium | 49 | $17.41▼ below CA avg | ▼ Less than typical |
About Levothyroxine Sodium: Levothyroxine is used to treat an underactive thyroid (hypothyroidism). Show more ▾ It replaces or provides more thyroid hormone, which is normally produced by the thyroid gland. Low thyroid hormone levels can occur naturally or when the thyroid gland is injured by radiation/medications or removed by surgery. Having enough thyroid hormone is important for maintaining normal mental and physical activity. In children, having enough thyroid hormone is important for normal mental and physical development. This medication is also used to treat other types of thyroid disorders (such as thyroid cancer). This medication should not be used to treat infertility unless it is caused by low thyroid hormone levels. The major hormone derived from the thyroid gland. Thyroxine is synthesized via the iodination of tyrosines (MONOIODOTYROSINE) and the coupling of iodotyrosines (DIIODOTYROSINE) in the THYROGLOBULIN. Thyroxine is released from thyroglobulin by proteolysis and secreted into the blood. Thyroxine is peripherally deiodinated to form TRIIODOTHYRONINE which exerts a broad spectrum of stimulatory effects on cell metabolism. In 2023, this provider wrote 49 Medicare prescriptions for Levothyroxine Sodium, about a third of the volume of the typical California prescriber of this medication (124). Medicare paid an average of $17.41 per fill, versus $19.74 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill This provider's average cost per fill is below the CA average for this medication. 96.3 30-Day Fills standardized to 30-day supplies 2,888 Days of Medication total across all patients in 2023 | |||
| Losartan Potassium | 45 | $25.93 | ▼ Less than typical |
About Losartan Potassium: Losartan is used to treat high blood pressure (hypertension) and to help protect the kidneys from damage due to diabetes. Show more ▾ It is also used to lower the risk of strokes in patients with high blood pressure and an enlarged heart. Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems. Losartan belongs to a class of drugs called angiotensin receptor blockers (ARBs). It works by relaxing blood vessels so that blood can flow more easily. An antagonist of ANGIOTENSIN TYPE 1 RECEPTOR with antihypertensive activity due to the reduced pressor effect of ANGIOTENSIN II. In 2023, this provider wrote 45 Medicare prescriptions for Losartan Potassium, about a third of the volume of the typical California prescriber of this medication (116). Medicare paid an average of $25.93 per fill, versus $13.35 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill Gross Part D cost per fill; not the patient's out-of-pocket price. 121 30-Day Fills standardized to 30-day supplies 3,630 Days of Medication total across all patients in 2023 | |||
| Chlorthalidone | 39 | $30.42 | ▲ More than typical |
About Chlorthalidone: Chlorthalidone is used to treat high blood pressure (hypertension). Show more ▾ Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems. It is also used to reduce extra salt and water in the body caused by conditions such as heart failure, liver disease, and kidney disease. Decreasing extra salt and water in the body helps to decrease swelling (edema) and breathing problems caused by fluid in the lungs. Chlorthalidone is a water pill (diuretic). It increases the amount of urine you make, especially when you first start the medication. It also helps to relax the blood vessels so that blood can flow more easily. A benzenesulfonamide-phthalimidine that tautomerizes to a BENZOPHENONES form. It is considered a thiazide-like diuretic. In 2023, this provider wrote 39 Medicare prescriptions for Chlorthalidone, about 1.4 times the volume of the typical California prescriber of this medication (27). Medicare paid an average of $30.42 per fill, versus $27.98 statewide. How often this provider prescribes it This provider prescribes this medication more often than the average CA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill Gross Part D cost per fill; not the patient's out-of-pocket price. 81 30-Day Fills standardized to 30-day supplies 2,430 Days of Medication total across all patients in 2023 | |||
| Metformin Hcl | 39 | $13.25 | ▼ Less than typical |
About Metformin Hcl: Metformin is used with a proper diet and exercise program and possibly with other medications to control high blood sugar. Show more ▾ It is used in patients with type 2 diabetes. Controlling high blood sugar helps prevent kidney damage, blindness, nerve problems, loss of limbs, and sexual function problems. Proper control of diabetes may also lessen your risk of a heart attack or stroke. Metformin works by helping to restore your body's proper response to the insulin you naturally produce. It also decreases the amount of sugar that your liver makes and that your stomach/intestines absorb. A biguanide hypoglycemic agent used in the treatment of non-insulin-dependent diabetes mellitus not responding to dietary modification. Metformin improves glycemic control by improving insulin sensitivity and decreasing intestinal absorption of glucose. (From Martindale, The Extra Pharmacopoeia, 30th ed, p289) In 2023, this provider wrote 39 Medicare prescriptions for Metformin Hcl, about a third of the volume of the typical California prescriber of this medication (101). Medicare paid an average of $13.25 per fill, versus $10.07 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill Gross Part D cost per fill; not the patient's out-of-pocket price. 71.7 30-Day Fills standardized to 30-day supplies 2,152 Days of Medication total across all patients in 2023 | |||
| Hydrochlorothiazide | 36 | $5.74▼ below CA avg | ▼ Less than typical |
About Hydrochlorothiazide: This medication is used to treat high blood pressure. Show more ▾ Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems. Hydrochlorothiazide belongs to a class of drugs known as diuretics/water pills. It works by causing you to make more urine. This helps your body get rid of extra salt and water. This medication also reduces extra fluid in the body (edema) caused by conditions such as heart failure, liver disease, or kidney disease. This can lessen symptoms such as shortness of breath or swelling in your ankles or feet. A thiazide diuretic often considered the prototypical member of this class. It reduces the reabsorption of electrolytes from the renal tubules. This results in increased excretion of water and electrolytes, including sodium, potassium, chloride, and magnesium. It is used in the treatment of several disorders including edema, hypertension, diabetes insipidus, and hypoparathyroidism. In 2023, this provider wrote 36 Medicare prescriptions for Hydrochlorothiazide, about half the volume of the typical California prescriber of this medication (65). Medicare paid an average of $5.74 per fill, versus $6.99 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill This provider's average cost per fill is below the CA average for this medication. 72 30-Day Fills standardized to 30-day supplies 2,160 Days of Medication total across all patients in 2023 | |||
| Simvastatin | 34 | $14.74 | ▼ Less than typical |
About Simvastatin: Simvastatin is used along with a proper diet to help lower bad cholesterol and fats (such as LDL, triglycerides) and raise good cholesterol (HDL) in the blood. Show more ▾ It belongs to a group of drugs known as statins. It works by reducing the amount of cholesterol made by the liver. Lowering bad cholesterol and triglycerides and raising good cholesterol decreases the risk of heart disease and helps prevent strokes and heart attacks. In addition to eating a proper diet (such as a low-cholesterol/low-fat diet), other lifestyle changes that may help this medication work better include exercising, losing weight if overweight, and stopping smoking. Consult your doctor for more details. A derivative of LOVASTATIN and potent competitive inhibitor of 3-hydroxy-3-methylglutaryl coenzyme A reductase (HYDROXYMETHYLGLUTARYL COA REDUCTASES), which is the rate-limiting enzyme in cholesterol biosynthesis. It may also interfere with steroid hormone production. Due to the induction of hepatic LDL RECEPTORS, it increases breakdown of LDL CHOLESTEROL. In 2023, this provider wrote 34 Medicare prescriptions for Simvastatin, about half the volume of the typical California prescriber of this medication (72). Medicare paid an average of $14.74 per fill, versus $10.23 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill Gross Part D cost per fill; not the patient's out-of-pocket price. 68.3 30-Day Fills standardized to 30-day supplies 2,045 Days of Medication total across all patients in 2023 | |||
| Fluticasone Propionate | 29 | $19.24 | ▼ Less than typical |
About Fluticasone Propionate: Fluticasone is used to control and prevent symptoms (such as wheezing and shortness of breath) caused by asthma. Show more ▾ Controlling symptoms of asthma helps you maintain your normal activities and decreases time lost from work or school. Fluticasone belongs to a class of drugs known as corticosteroids. It works by reducing swelling (inflammation) of the airways in the lungs to make breathing easier. This medication must be used regularly to be effective. It does not work right away and should not be used to relieve sudden asthma attacks. If an asthma attack occurs, use your quick-relief inhaler (such as albuterol, also called salbutamol in some countries) as prescribed. A STEROID with GLUCOCORTICOID RECEPTOR activity that is used to manage the symptoms of ASTHMA; ALLERGIC RHINITIS, and ATOPIC DERMATITIS. In 2023, this provider wrote 29 Medicare prescriptions for Fluticasone Propionate, about half the volume of the typical California prescriber of this medication (50). Medicare paid an average of $19.24 per fill, versus $16.79 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill Gross Part D cost per fill; not the patient's out-of-pocket price. 33 30-Day Fills standardized to 30-day supplies 990 Days of Medication total across all patients in 2023 | |||
| Omeprazole | 28 | $17.79 | ▼ Less than typical |
About Omeprazole: Omeprazole is used to treat certain stomach and esophagus problems (such as acid reflux, ulcers). Show more ▾ It works by decreasing the amount of acid your stomach makes. It relieves symptoms such as heartburn, difficulty swallowing, and cough. This medication helps heal acid damage to the stomach and esophagus, helps prevent ulcers, and may help prevent cancer of the esophagus. Omeprazole belongs to a class of drugs known as proton pump inhibitors (PPIs). If you are self-treating with this medication, over-the-counter omeprazole products are used to treat frequent heartburn (occurring 2 or more days a week). Since it may take 1 to 4 days to have full effect, these products do not relieve heartburn right away. For over-the-counter products, carefully read the package instructions to make sure the product is right for you. Check the ingredients on the label even if you have used the product before. The manufacturer may have changed the ingredients. Also, products with similar brand names may contain different ingredients meant for different purposes. Taking the wrong product could harm you. A 4-methoxy-3,5-dimethylpyridyl, 5-methoxybenzimidazole derivative of timoprazole that is used in the therapy of STOMACH ULCERS and ZOLLINGER-ELLISON SYNDROME. The drug inhibits an H(+)-K(+)-EXCHANGING ATPASE which is found in GASTRIC PARIETAL CELLS. In 2023, this provider wrote 28 Medicare prescriptions for Omeprazole, about a third of the volume of the typical California prescriber of this medication (80). Medicare paid an average of $17.79 per fill, versus $13.72 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill Gross Part D cost per fill; not the patient's out-of-pocket price. 56 30-Day Fills standardized to 30-day supplies 1,680 Days of Medication total across all patients in 2023 | |||
| Metoprolol Tartrate | 24 | $10.61 | ▼ Less than typical |
About Metoprolol Tartrate: Metoprolol is used with or without other medications to treat high blood pressure (hypertension). Show more ▾ Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems. This medication is also used to treat chest pain (angina) and to improve survival after a heart attack. Metoprolol belongs to a class of drugs known as beta blockers. It works by blocking the action of certain natural chemicals in your body, such as epinephrine, on the heart and blood vessels. This effect lowers the heart rate, blood pressure, and strain on the heart. A selective adrenergic beta-1 blocking agent that is commonly used to treat ANGINA PECTORIS; HYPERTENSION; and CARDIAC ARRHYTHMIAS. In 2023, this provider wrote 24 Medicare prescriptions for Metoprolol Tartrate, about a third of the volume of the typical California prescriber of this medication (59). Medicare paid an average of $10.61 per fill, versus $9.13 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill Gross Part D cost per fill; not the patient's out-of-pocket price. 38.7 30-Day Fills standardized to 30-day supplies 1,160 Days of Medication total across all patients in 2023 | |||
| Gabapentin | 23 | $18.77▼ below CA avg | ▼ Less than typical |
About Gabapentin: Gabapentin is used with other medications to prevent and control seizures. Show more ▾ It is also used to relieve nerve pain following shingles (a painful rash due to herpes zoster infection) in adults. Gabapentin is known as an anticonvulsant or antiepileptic drug. A cyclohexane-gamma-aminobutyric acid derivative that is used for the treatment of PARTIAL SEIZURES; NEURALGIA; and RESTLESS LEGS SYNDROME. In 2023, this provider wrote 23 Medicare prescriptions for Gabapentin, about a third of the volume of the typical California prescriber of this medication (81). Medicare paid an average of $18.77 per fill, versus $21.28 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill This provider's average cost per fill is below the CA average for this medication. 31 30-Day Fills standardized to 30-day supplies 895 Days of Medication total across all patients in 2023 | |||
| Atenolol | 22 | $9.04▼ below CA avg | ▼ Less than typical |
About Atenolol: Atenolol is used with or without other medications to treat high blood pressure (hypertension). Show more ▾ Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems. This medication is also used to treat chest pain (angina) and to improve survival after a heart attack. Atenolol belongs to a class of drugs known as beta blockers. It works by blocking the action of certain natural chemicals in your body, such as epinephrine, on the heart and blood vessels. This effect lowers the heart rate, blood pressure, and strain on the heart. A cardioselective beta-1 adrenergic blocker possessing properties and potency similar to PROPRANOLOL, but without a negative inotropic effect. In 2023, this provider wrote 22 Medicare prescriptions for Atenolol, about a third of the volume of the typical California prescriber of this medication (55). Medicare paid an average of $9.04 per fill, versus $11.19 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill This provider's average cost per fill is below the CA average for this medication. 42 30-Day Fills standardized to 30-day supplies 1,260 Days of Medication total across all patients in 2023 | |||
| Pravastatin Sodium | 21 | $23.09 | ▼ Less than typical |
About Pravastatin Sodium: Pravastatin is used along with a proper diet to help lower bad cholesterol and fats (such as LDL, triglycerides) and raise good cholesterol (HDL) in the blood. Show more ▾ It belongs to a group of drugs known as statins. It works by reducing the amount of cholesterol made by the liver. Lowering bad cholesterol and triglycerides and raising good cholesterol decreases the risk of heart disease and helps prevent strokes and heart attacks. In addition to eating a proper diet (such as a low-cholesterol/low-fat diet), other lifestyle changes that may help this medication work better include exercising, losing weight if overweight, and stopping smoking. Consult your doctor for more details. An antilipemic fungal metabolite isolated from cultures of Nocardia autotrophica. It acts as a competitive inhibitor of HMG CoA reductase (HYDROXYMETHYLGLUTARYL COA REDUCTASES). In 2023, this provider wrote 21 Medicare prescriptions for Pravastatin Sodium, about half the volume of the typical California prescriber of this medication (39). Medicare paid an average of $23.09 per fill, versus $19.88 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill Gross Part D cost per fill; not the patient's out-of-pocket price. 57 30-Day Fills standardized to 30-day supplies 1,710 Days of Medication total across all patients in 2023 | |||
| Ibuprofen | 20 | $4.52▼ below CA avg | ▼ Less than typical |
About Ibuprofen: Ibuprofen is used to help relieve mild to moderate pain. Show more ▾ When used with an opioid (such as morphine), it may be used to relieve moderate to severe pain. It is also used to reduce fever. Ibuprofen is known as a nonsteroidal anti-inflammatory drug (NSAID). It works by blocking your body's production of certain natural substances that cause inflammation. This effect helps to decrease swelling, pain, or fever. A non-steroidal anti-inflammatory agent with analgesic, antipyretic, and anti-inflammatory properties In 2023, this provider wrote 20 Medicare prescriptions for Ibuprofen, about half the volume of the typical California prescriber of this medication (41). Medicare paid an average of $4.52 per fill, versus $9.06 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill This provider's average cost per fill is below the CA average for this medication. 20 30-Day Fills standardized to 30-day supplies 215 Days of Medication total across all patients in 2023 | |||
| Escitalopram Oxalate | 18 | $26.25 | ▼ Less than typical |
About Escitalopram Oxalate: Escitalopram is used to treat depression and anxiety. Show more ▾ It works by helping to restore the balance of a certain natural substance (serotonin) in the brain. Escitalopram belongs to a class of drugs known as selective serotonin reuptake inhibitors (SSRI). It may improve your energy level and feelings of well-being and decrease nervousness. S-enantiomer of CITALOPRAM. Belongs to a class of drugs known as SELECTIVE SEROTONIN REUPTAKE INHIBITORS, used to treat depression and generalized anxiety disorder. In 2023, this provider wrote 18 Medicare prescriptions for Escitalopram Oxalate, about a third of the volume of the typical California prescriber of this medication (47). Medicare paid an average of $26.25 per fill, versus $14.32 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill Gross Part D cost per fill; not the patient's out-of-pocket price. 24.2 30-Day Fills standardized to 30-day supplies 725 Days of Medication total across all patients in 2023 | |||
| Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid | 17 | $9.01▼ below CA avg | ▼ Less than typical |
About Triamterene-Hydrochlorothiazid: This drug is used to treat high blood pressure. Show more ▾ Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems. This medication is a combination of two water pills (diuretics): triamterene and hydrochlorothiazide. This combination is used by people who have developed or are at risk for having low potassium levels on hydrochlorothiazide. It causes you to make more urine, which helps your body get rid of extra salt and water. This medication also reduces extra fluid in the body (edema) caused by conditions such as heart failure, liver disease, or kidney disease. This can lessen symptoms such as shortness of breath or swelling in your ankles or feet. In 2023, this provider wrote 17 Medicare prescriptions for Triamterene-Hydrochlorothiazid, about 61% of the volume of the typical California prescriber of this medication (28). Medicare paid an average of $9.01 per fill, versus $13.23 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill This provider's average cost per fill is below the CA average for this medication. 30.1 30-Day Fills standardized to 30-day supplies 900 Days of Medication total across all patients in 2023 | |||
| Bupropion XlBupropion Hcl | 17 | $47.55 | ▼ Less than typical |
About Bupropion Xl: Bupropion is used to treat depression. Show more ▾ It can improve your mood and feelings of well-being. It may work by helping to restore the balance of certain natural chemicals (neurotransmitters) in your brain. In 2023, this provider wrote 17 Medicare prescriptions for Bupropion Xl, about half the volume of the typical California prescriber of this medication (35). Medicare paid an average of $47.55 per fill, versus $40.33 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill Gross Part D cost per fill; not the patient's out-of-pocket price. 21 30-Day Fills standardized to 30-day supplies 630 Days of Medication total across all patients in 2023 | |||
| Carvedilol | 16 | $9.42▼ below CA avg | ▼ Less than typical |
About Carvedilol: Carvedilol is used to treat high blood pressure and heart failure. Show more ▾ It is also used after a heart attack to improve the chance of survival if your heart is not pumping well. Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems. This drug works by blocking the action of certain natural substances in your body, such as epinephrine, on the heart and blood vessels. This effect lowers your heart rate, blood pressure, and strain on your heart. Carvedilol belongs to a class of drugs known as alpha and beta blockers. A carbazole and propanol derivative that acts as a non-cardioselective beta blocker and vasodilator. It has blocking activity for ALPHA 1 ADRENERGIC RECEPTORS and, at higher doses, may function as a blocker of CALCIUM CHANNELS; it also has antioxidant properties. Carvedilol is used in the treatment of HYPERTENSION; ANGINA PECTORIS; and HEART FAILURE. It can also reduce the risk of death following MYOCARDIAL INFARCTION. In 2023, this provider wrote 16 Medicare prescriptions for Carvedilol, about a third of the volume of the typical California prescriber of this medication (57). Medicare paid an average of $9.42 per fill, versus $12.81 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill This provider's average cost per fill is below the CA average for this medication. 25 30-Day Fills standardized to 30-day supplies 750 Days of Medication total across all patients in 2023 | |||
| Quetiapine Fumarate | 16 | $18.54▼ below CA avg | ▼ Less than typical |
About Quetiapine Fumarate: This medication is used to treat certain mental/mood conditions (such as schizophrenia, bipolar disorder, sudden episodes of mania or depression associated with bipolar disorder). Show more ▾ Quetiapine is known as an anti-psychotic drug (atypical type). It works by helping to restore the balance of certain natural substances (neurotransmitters) in the brain. This medication can decrease hallucinations and improve your concentration. It helps you to think more clearly and positively about yourself, feel less nervous, and take a more active part in everyday life. It may also improve your mood, sleep, appetite, and energy level. Quetiapine can help prevent severe mood swings or decrease how often mood swings occur. A dibenzothiazepine and ANTIPSYCHOTIC AGENT that targets the SEROTONIN 5-HT2 RECEPTOR; HISTAMINE H1 RECEPTOR, adrenergic alpha1 and alpha2 receptors, as well as the DOPAMINE D1 RECEPTOR and DOPAMINE D2 RECEPTOR. It is used in the treatment of SCHIZOPHRENIA; BIPOLAR DISORDER and DEPRESSIVE DISORDER. In 2023, this provider wrote 16 Medicare prescriptions for Quetiapine Fumarate, about a third of the volume of the typical California prescriber of this medication (56). Medicare paid an average of $18.54 per fill, versus $39.99 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill This provider's average cost per fill is below the CA average for this medication. 18.2 30-Day Fills standardized to 30-day supplies 540 Days of Medication total across all patients in 2023 | |||
| Albuterol Sulfate HfaAlbuterol Sulfate | 16 | $29.52▼ below CA avg | ▼ Less than typical |
About Albuterol Sulfate Hfa: Albuterol (also known as salbutamol) is used to treat wheezing and shortness of breath caused by breathing problems such as asthma. Show more ▾ It is a quick-relief medication. Albuterol belongs to a class of drugs known as bronchodilators. It works by relaxing the muscles around the airways so that they open up and you can breathe more easily. Controlling symptoms of breathing problems can decrease time lost from work or school. A short-acting beta-2 adrenergic agonist that is primarily used as a bronchodilator agent to treat ASTHMA. Albuterol is prepared as a racemic mixture of R(-) and S(+) stereoisomers. The stereospecific preparation of R(-) isomer of albuterol is referred to as levalbuterol. In 2023, this provider wrote 16 Medicare prescriptions for Albuterol Sulfate Hfa, about a third of the volume of the typical California prescriber of this medication (53). Medicare paid an average of $29.52 per fill, versus $42.16 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill This provider's average cost per fill is below the CA average for this medication. 16 30-Day Fills standardized to 30-day supplies 275 Days of Medication total across all patients in 2023 | |||
| Potassium Chloride | 13 | $16.90▼ below CA avg | ▼ Less than typical |
About Potassium Chloride: This medication is a mineral supplement used to treat or prevent low amounts of potassium in the blood. Show more ▾ A normal level of potassium in the blood is important. Potassium helps your cells, kidneys, heart, muscles, and nerves work properly. Most people get enough potassium by eating a well-balanced diet. Some conditions that can lower your body's potassium level include severe prolonged diarrhea and vomiting, hormone problems such as hyperaldosteronism, or treatment with water pills/diuretics. A white crystal or crystalline powder used in BUFFERS; FERTILIZERS; and EXPLOSIVES. It can be used to replenish ELECTROLYTES and restore WATER-ELECTROLYTE BALANCE in treating HYPOKALEMIA. In 2023, this provider wrote 13 Medicare prescriptions for Potassium Chloride, about a quarter of the volume of the typical California prescriber of this medication (48). Medicare paid an average of $16.90 per fill, versus $34.30 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill This provider's average cost per fill is below the CA average for this medication. 15.2 30-Day Fills standardized to 30-day supplies 454 Days of Medication total across all patients in 2023 | |||
| Trazodone Hcl | 13 | $7.22▼ below CA avg | ▼ Less than typical |
About Trazodone Hcl: This medication is used to treat depression. Show more ▾ It may help to improve your mood, appetite, and energy level as well as decrease anxiety and insomnia related to depression. Trazodone works by helping to restore the balance of a certain natural chemical (serotonin) in the brain. In 2023, this provider wrote 13 Medicare prescriptions for Trazodone Hcl, about a quarter of the volume of the typical California prescriber of this medication (55). Medicare paid an average of $7.22 per fill, versus $13.84 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill This provider's average cost per fill is below the CA average for this medication. 23 30-Day Fills standardized to 30-day supplies 690 Days of Medication total across all patients in 2023 | |||
| Allopurinol | 12 | $17.24 | ▼ Less than typical |
About Allopurinol: Allopurinol is used to treat gout and certain types of kidney stones. Show more ▾ It is also used to prevent increased uric acid levels in patients receiving cancer chemotherapy. These patients can have increased uric acid levels due to release of uric acid from the dying cancer cells. Allopurinol works by reducing the amount of uric acid made by the body. Increased uric acid levels can cause gout and kidney problems. A XANTHINE OXIDASE inhibitor that decreases URIC ACID production. It also acts as an antimetabolite on some simpler organisms. In 2023, this provider wrote 12 Medicare prescriptions for Allopurinol, about a quarter of the volume of the typical California prescriber of this medication (44). Medicare paid an average of $17.24 per fill, versus $15.90 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill Gross Part D cost per fill; not the patient's out-of-pocket price. 26 30-Day Fills standardized to 30-day supplies 780 Days of Medication total across all patients in 2023 | |||
| Phenytoin Sodium Extended | 12 | $51.77 | ▼ Less than typical |
About Phenytoin Sodium Extended: Phenytoin is used to prevent and control seizures (also called an anticonvulsant or antiepileptic drug). Show more ▾ It works by reducing the spread of seizure activity in the brain. In 2023, this provider wrote 12 Medicare prescriptions for Phenytoin Sodium Extended, about half the volume of the typical California prescriber of this medication (22). Medicare paid an average of $51.77 per fill, versus $39.59 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill Gross Part D cost per fill; not the patient's out-of-pocket price. 12.2 30-Day Fills standardized to 30-day supplies 365 Days of Medication total across all patients in 2023 | |||
| Spironolactone | 12 | $12.50▼ below CA avg | ▼ Less than typical |
About Spironolactone: Spironolactone is used to treat high blood pressure and heart failure. Show more ▾ Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems. It is also used to treat swelling (edema) caused by certain conditions (such as heart failure, liver disease) by removing excess fluid and improving symptoms such as breathing problems. This medication is also used to treat conditions in which the body is making too much of a natural substance (aldosterone). Spironolactone is known as a water pill (potassium-sparing diuretic). A potassium sparing diuretic that acts by antagonism of aldosterone in the distal renal tubules. It is used mainly in the treatment of refractory edema in patients with congestive heart failure, nephrotic syndrome, or hepatic cirrhosis. Its effects on the endocrine system are utilized in the treatments of hirsutism and acne but they can lead to adverse effects. (From Martindale, The Extra Pharmacopoeia, 30th ed, p827) In 2023, this provider wrote 12 Medicare prescriptions for Spironolactone, about a third of the volume of the typical California prescriber of this medication (34). Medicare paid an average of $12.50 per fill, versus $13.26 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill This provider's average cost per fill is below the CA average for this medication. 12.2 30-Day Fills standardized to 30-day supplies 365 Days of Medication total across all patients in 2023 | |||
| FarxigaDapagliflozin Propanediol | 11 | $1,073.64 | ▼ Less than typical |
About Farxiga: Dapagliflozin is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes. Show more ▾ Controlling high blood sugar helps prevent kidney damage, blindness, nerve problems, loss of limbs, and sexual function problems. Proper control of diabetes may also lessen your risk of a heart attack or stroke. This medication is also used in people with type 2 diabetes and heart disease to lower the risk of going to the hospital for heart failure. Dapagliflozin works by increasing the removal of sugar by your kidneys. Dapagliflozin is also used to treat kidney disease and heart failure. It may help you live longer and lower your risk of going to the hospital for heart failure. Dapagliflozin works by increasing the removal of sodium by your kidneys. In 2023, this provider wrote 11 Medicare prescriptions for Farxiga, about a quarter of the volume of the typical California prescriber of this medication (47). Medicare paid an average of $1,073.64 per fill, versus $946.39 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill Gross Part D cost per fill; not the patient's out-of-pocket price. 20 30-Day Fills standardized to 30-day supplies 600 Days of Medication total across all patients in 2023 | |||
About this data. The prescription history for TIMOTHY M. CHEN MD is compiled from the Centers for Medicare & Medicaid Services (CMS) Medicare Part D Prescriber Public Use File for calendar year 2023, the most recent federal release. Figures cover prescriptions filled for Medicare Part D beneficiaries only; prescriptions under private insurance, Medicaid, or self-pay plans are not included. Because prescribing decisions are generally consistent across coverage types, this record offers a useful view of the overall Family Medicine prescribing approach at this Oxnard, CA practice.
Reading the costs. Drug costs are gross amounts paid to pharmacies under Part D, including both plan and beneficiary payments. They are not the price a patient pays at the pharmacy counter. Medications with fewer than 11 claims are excluded from the federal source data, and state comparisons use the average volume among CA prescribers of the same medication. Always confirm current medications and costs directly with the provider and your plan.