DR. ANDREW JACOB VAN WIEREN M.D.
Prescription History 1639463532
Internal Medicine in Wailuku, HI
Medicare Part D Prescription History
Explore the verified Medicare Part D prescription history, volume metrics, and calculated drug costs for DR. ANDREW JACOB VAN WIEREN M.D., an active Internal Medicine specialist practicing in Wailuku, HI. Our medical registry currently tracks 14 unique pharmaceutical formulations prescribed by this provider, representing an estimated volume of 328 documented patient claims. Among these therapy options, the most frequently utilized medication is Amlodipine Besylate, which accounts for 51 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 (2024)Rx (2024) | Avg Cost per FillCost / Fill | Vs. Other HI PrescribersVs. HI Avg |
|---|---|---|---|
| Amlodipine Besylate | 51 | $9.80▼ below HI avg | ▼ 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 2024, this provider wrote 51 Medicare prescriptions for Amlodipine Besylate, about a third of the volume of the typical Hawaii prescriber of this medication (139.3). Medicare paid an average of $9.80 per fill, versus $11.03 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average HI 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 HI average for this medication. 150 30-Day Fills standardized to 30-day supplies 4,500 Days of Medication total across all patients in 2024 | |||
| Atorvastatin Calcium | 42 | $12.63▼ below HI avg | ▼ 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 2024, this provider wrote 42 Medicare prescriptions for Atorvastatin Calcium, about a quarter of the volume of the typical Hawaii prescriber of this medication (207.7). Medicare paid an average of $12.63 per fill, versus $20.05 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average HI 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 HI average for this medication. 122.3 30-Day Fills standardized to 30-day supplies 3,670 Days of Medication total across all patients in 2024 | |||
| Losartan Potassium | 35 | $16.56 | ▼ 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 2024, this provider wrote 35 Medicare prescriptions for Losartan Potassium, about a quarter of the volume of the typical Hawaii prescriber of this medication (143). Medicare paid an average of $16.56 per fill, versus $14.03 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average HI 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. 103 30-Day Fills standardized to 30-day supplies 3,090 Days of Medication total across all patients in 2024 | |||
| Metformin Hcl | 33 | $3.60▼ below HI avg | ▼ 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 2024, this provider wrote 33 Medicare prescriptions for Metformin Hcl, about a third of the volume of the typical Hawaii prescriber of this medication (81.5). Medicare paid an average of $3.60 per fill, versus $9.49 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average HI 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 HI average for this medication. 65.3 30-Day Fills standardized to 30-day supplies 1,739 Days of Medication total across all patients in 2024 | |||
| Rosuvastatin Calcium | 23 | $39.59 | ▼ Less than typical |
About Rosuvastatin Calcium: Rosuvastatin 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 to 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. Talk with your doctor for more details. A HYDROXYMETHYLGLUTARYL-COA-REDUCTASE INHIBITOR, or statin, that reduces the plasma concentrations of LDL-CHOLESTEROL; APOLIPOPROTEIN B, and TRIGLYCERIDES while increasing HDL-CHOLESTEROL levels in patients with HYPERCHOLESTEROLEMIA and those at risk for CARDIOVASCULAR DISEASES. In 2024, this provider wrote 23 Medicare prescriptions for Rosuvastatin Calcium, about a quarter of the volume of the typical Hawaii prescriber of this medication (87.3). Medicare paid an average of $39.59 per fill, versus $33.22 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average HI 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. 69 30-Day Fills standardized to 30-day supplies 2,070 Days of Medication total across all patients in 2024 | |||
| Albuterol Sulfate HfaAlbuterol Sulfate | 22 | $15.61▼ below HI avg | ▼ Less than typical |
About Albuterol Sulfate Hfa: Albuterol (also known as salbutamol) is used to prevent and treat wheezing and shortness of breath caused by breathing problems (such as asthma, chronic obstructive pulmonary disease). Show more ▾ It is also used to prevent asthma brought on by exercise. It is a quick-relief drug. 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 2024, this provider wrote 22 Medicare prescriptions for Albuterol Sulfate Hfa, about a third of the volume of the typical Hawaii prescriber of this medication (54). Medicare paid an average of $15.61 per fill, versus $25.92 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average HI 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 HI average for this medication. 22 30-Day Fills standardized to 30-day supplies 362 Days of Medication total across all patients in 2024 | |||
| Metoprolol Succinate | 22 | $9.02▼ below HI avg | ▼ Less than typical |
About Metoprolol Succinate: This medication is a beta-blocker used to treat chest pain (angina), heart failure, and high blood pressure. Show more ▾ Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems. This drug works by blocking the action of certain natural chemicals in your body (such as epinephrine) that affect the heart and blood vessels. This lowers 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 2024, this provider wrote 22 Medicare prescriptions for Metoprolol Succinate, about a quarter of the volume of the typical Hawaii prescriber of this medication (84.9). Medicare paid an average of $9.02 per fill, versus $17.36 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average HI 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 HI average for this medication. 66 30-Day Fills standardized to 30-day supplies 1,980 Days of Medication total across all patients in 2024 | |||
| Levothyroxine Sodium | 18 | $6.34▼ below HI 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 2024, this provider wrote 18 Medicare prescriptions for Levothyroxine Sodium, about 19% of the volume of the typical Hawaii prescriber of this medication (96.2). Medicare paid an average of $6.34 per fill, versus $9.22 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average HI 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 HI average for this medication. 55 30-Day Fills standardized to 30-day supplies 1,650 Days of Medication total across all patients in 2024 | |||
| Lisinopril | 18 | $5.60▼ below HI avg | ▼ 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 2024, this provider wrote 18 Medicare prescriptions for Lisinopril, about a quarter of the volume of the typical Hawaii prescriber of this medication (83.8). Medicare paid an average of $5.60 per fill, versus $10.34 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average HI 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 HI average for this medication. 54 30-Day Fills standardized to 30-day supplies 1,620 Days of Medication total across all patients in 2024 | |||
| Omeprazole | 17 | $21.39▼ below HI avg | ▼ 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 2024, this provider wrote 17 Medicare prescriptions for Omeprazole, about a third of the volume of the typical Hawaii prescriber of this medication (56.3). Medicare paid an average of $21.39 per fill, versus $23.28 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average HI 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 HI average for this medication. 51.3 30-Day Fills standardized to 30-day supplies 1,540 Days of Medication total across all patients in 2024 | |||
| Combivent RespimatIpratropium/Albuterol Sulfate | 12 | $497.51▼ below HI avg | ▼ Less than typical |
About Combivent Respimat: This product is used to treat and prevent symptoms (wheezing and shortness of breath) caused by ongoing lung disease (chronic obstructive pulmonary disease-COPD, which includes bronchitis and emphysema). Show more ▾ This product contains 2 medications: ipratropium and albuterol (also known as salbutamol). Both drugs work by relaxing the muscles around the airways so that the airways open up and you can breathe more easily. Controlling symptoms of breathing problems can decrease time lost from work or school. A combined pharmaceutical preparation of Ipratropium Bromide and Albuterol Sulfate that is used to treat the symptoms of ASTHMA and CHRONIC OBSTRUCTIVE PULMONARY DISEASE. In 2024, this provider wrote 12 Medicare prescriptions for Combivent Respimat, about half the volume of the typical Hawaii prescriber of this medication (21.5). Medicare paid an average of $497.51 per fill, versus $713.60 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average HI 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 HI average for this medication. 12 30-Day Fills standardized to 30-day supplies 360 Days of Medication total across all patients in 2024 | |||
| Glipizide | 12 | $45.29 | ▼ Less than typical |
About Glipizide: Glipizide is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes. Show more ▾ It may also be used with other diabetes medications. 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. Glipizide belongs to the class of drugs known as sulfonylureas. It lowers blood sugar by causing the release of your body's natural insulin. An oral hypoglycemic agent which is rapidly absorbed and completely metabolized. In 2024, this provider wrote 12 Medicare prescriptions for Glipizide, about a third of the volume of the typical Hawaii prescriber of this medication (36.3). Medicare paid an average of $45.29 per fill, versus $11.65 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average HI 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 30-Day Fills standardized to 30-day supplies 611 Days of Medication total across all patients in 2024 | |||
| Tamsulosin Hcl | 12 | $20.13 | ▼ Less than typical |
About Tamsulosin Hcl: Tamsulosin is used by men to treat the symptoms of an enlarged prostate (benign prostatic hyperplasia-BPH). Show more ▾ It does not shrink the prostate, but it works by relaxing the muscles in the prostate and the bladder. This helps to relieve symptoms of BPH such as difficulty in beginning the flow of urine, weak stream, and the need to urinate often or urgently (including during the middle of the night). Tamsulosin belongs to a class of drugs known as alpha blockers. Do not use this medication to treat high blood pressure. A sulfonamide derivative and adrenergic alpha-1 receptor antagonist that is used to relieve symptoms of urinary obstruction caused by BENIGN PROSTATIC HYPERPLASIA. In 2024, this provider wrote 12 Medicare prescriptions for Tamsulosin Hcl, about 16% of the volume of the typical Hawaii prescriber of this medication (73.4). Medicare paid an average of $20.13 per fill, versus $18.50 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average HI 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. 34 30-Day Fills standardized to 30-day supplies 1,020 Days of Medication total across all patients in 2024 | |||
| Carvedilol | 11 | $3.78▼ below HI 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 2024, this provider wrote 11 Medicare prescriptions for Carvedilol, about a quarter of the volume of the typical Hawaii prescriber of this medication (41.5). Medicare paid an average of $3.78 per fill, versus $11.25 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average HI 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 HI average for this medication. 33 30-Day Fills standardized to 30-day supplies 990 Days of Medication total across all patients in 2024 | |||
About this data. The prescription history for DR. ANDREW JACOB VAN WIEREN M.D. is compiled from the Centers for Medicare & Medicaid Services (CMS) Medicare Part D Prescriber Public Use File for calendar year 2024, 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 Internal Medicine prescribing approach at this Wailuku, HI 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 among HI prescribers of the same medication and form, shown only when at least five prescribers contribute. Always confirm current medications and costs directly with the provider and your plan.
About the medication summaries. Drug use descriptions come from the CMS Medicare Part D Drug Spending Dashboard (2024), and substance definitions from Medical Subject Headings (MeSH) 2026, U.S. National Library of Medicine. They are summaries that do not contain all possible information about a medication and are not individual medical advice. Ask a health care professional about any medication and your specific health needs.
