DR. KELVIN TRONG NGUYEN M.D.
Prescription History 1174816821
Student in an Organized Health Care Education/Training Program in Orange, CA
Medicare Part D Prescription History
Explore the verified Medicare Part D prescription history, volume metrics, and calculated drug costs for DR. KELVIN TRONG NGUYEN M.D., an active Student in an Organized Health Care Education/Training Program specialist practicing in Orange, CA. Our medical registry currently tracks 16 unique pharmaceutical formulations prescribed by this provider, representing an estimated volume of 681 documented patient claims. Among these therapy options, the most frequently utilized medication is Gavilyte-C, which accounts for 246 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 CA PrescribersVs. CA Avg |
|---|---|---|---|
| Gavilyte-CPeg3350/Sod Sulf,bicarb,cl/Kcl | 246 | $24.37 | ▲ More than typical |
About Gavilyte-C: PEG (polyethylene glycol) with electrolyte is used to clean out the intestines before certain bowel exam procedures such as colonoscopy or barium enema X-rays. Show more ▾ It is a laxative that works by drawing large amounts of water into the colon. This effect results in watery bowel movements. Clearing stool from the intestines helps your doctor to better examine the intestines during your procedure. In 2024, this provider wrote 246 Medicare prescriptions for Gavilyte-C, about 2.4 times the volume of the typical California prescriber of this medication (101.5). Medicare paid an average of $24.37 per fill, versus $21.56 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. 246 30-Day Fills standardized to 30-day supplies 403 Days of Medication total across all patients in 2024 | |||
| Pantoprazole Sodium | 121 | $10.89▼ below CA avg | ▲ More than typical |
About Pantoprazole Sodium: Pantoprazole is used to treat certain stomach and esophagus problems (such as acid reflux). Show more ▾ It works by decreasing the amount of acid your stomach makes. This medication relieves symptoms such as heartburn, difficulty swallowing, and cough. It helps heal acid damage to the stomach and esophagus, helps prevent ulcers, and may help prevent cancer of the esophagus. Pantoprazole belongs to a class of drugs known as proton pump inhibitors (PPIs). 2-pyridinylmethylsulfinylbenzimidazole proton pump inhibitor that is used in the treatment of GASTROESOPHAGEAL REFLUX and PEPTIC ULCER. In 2024, this provider wrote 121 Medicare prescriptions for Pantoprazole Sodium, about 1.9 times the volume of the typical California prescriber of this medication (64.8). Medicare paid an average of $10.89 per fill, versus $13.87 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 This provider's average cost per fill is below the CA average for this medication. 218 30-Day Fills standardized to 30-day supplies 6,530 Days of Medication total across all patients in 2024 | |||
| Omeprazole | 45 | $15.42 | ▼ 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 45 Medicare prescriptions for Omeprazole, about half the volume of the typical California prescriber of this medication (78.1). Medicare paid an average of $15.42 per fill, versus $11.26 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 Gross Part D cost per fill; not the patient's out-of-pocket price. 101.2 30-Day Fills standardized to 30-day supplies 3,019 Days of Medication total across all patients in 2024 | |||
| Desipramine Hcl | 33 | $21.87▼ below CA avg | ▲ More than typical |
About Desipramine Hcl: This medication is used to treat depression. Show more ▾ Desipramine belongs to a class of drugs known as tricyclic antidepressants. It works by helping to restore the balance of certain natural substances in the brain. This drug is not recommended for use in children younger than 18 years due to risk of serious side effects. A tricyclic dibenzazepine compound that potentiates neurotransmission. Desipramine selectively blocks reuptake of norepinephrine from the neural synapse, and also appears to impair serotonin transport. This compound also possesses minor anticholinergic activity, through its affinity to muscarinic receptors. In 2024, this provider wrote 33 Medicare prescriptions for Desipramine Hcl, about 2 times the volume of the typical California prescriber of this medication (16.7). Medicare paid an average of $21.87 per fill, versus $43.43 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 This provider's average cost per fill is below the CA average for this medication. 36.7 30-Day Fills standardized to 30-day supplies 744 Days of Medication total across all patients in 2024 | |||
| MotegrityPrucalopride Succinate | 27 | $1,286.89 | ≈ Typical |
About Motegrity: This medication is used to treat chronic constipation. Show more ▾ It is used when other medications used to treat constipation (such as laxatives) have not provided relief. Prucalopride works by improving how well your stomach and intestines move food through the bowels during digestion. A 5-HT4 agonist enterokinetic compound. In 2024, this provider wrote 27 Medicare prescriptions for Motegrity, about the same volume as the typical California prescriber of this medication (24.9). Medicare paid an average of $1,286.89 per fill, versus $765.97 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. 60 30-Day Fills standardized to 30-day supplies 1,800 Days of Medication total across all patients in 2024 | |||
| Metoclopramide Hcl | 26 | $9.18 | ≈ Typical |
About Metoclopramide Hcl: This medication is used to treat certain conditions of the stomach and intestines. Show more ▾ Metoclopramide is used as a short-term treatment (4 to 12 weeks) for ongoing heartburn when the usual medicines do not work well enough. It is used mostly for heartburn that occurs after a meal or during the daytime. Treating ongoing heartburn can decrease the damage done by stomach acid to the swallowing tube (esophagus) and help healing. Metoclopramide is also used in diabetic patients who have poor emptying of their stomachs (gastroparesis). Treating gastroparesis can decrease symptoms of nausea, vomiting, and stomach/abdominal fullness. Metoclopramide works by blocking a natural substance (dopamine). It speeds up stomach emptying and movement of the upper intestines. This drug is not recommended for use in children due to an increased risk of serious side effects (such as muscle spasms/uncontrolled muscle movements). Ask the doctor or pharmacist for details. A dopamine D2 antagonist that is used as an antiemetic. In 2024, this provider wrote 26 Medicare prescriptions for Metoclopramide Hcl, about the same volume as the typical California prescriber of this medication (25.1). Medicare paid an average of $9.18 per fill, versus $8.32 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. 26 30-Day Fills standardized to 30-day supplies 432 Days of Medication total across all patients in 2024 | |||
| XifaxanRifaximin | 25 | $2,633.42▼ below CA avg | ≈ Typical |
About Xifaxan: This medication is used to treat diarrhea caused by the common bacteria known as E. Show more ▾ coli ("traveler's diarrhea"). Rifaximin should not be used if you have a fever or bloody diarrhea. It works by stopping the growth of bacteria. This antibiotic treats only bacterial infections. It will not work for viral infections (such as common cold, flu). Using any antibiotic when it is not needed can cause it to not work for future infections. Rifaximin is also used to treat irritable bowel syndrome with diarrhea. It is also used to prevent a brain problem caused by liver disease (hepatic encephalopathy). A synthetic rifamycin derivative and anti-bacterial agent that is used for the treatment of GASTROENTERITIS caused by ESCHERICHIA COLI INFECTIONS. It may also be used in the treatment of HEPATIC ENCEPHALOPATHY. In 2024, this provider wrote 25 Medicare prescriptions for Xifaxan, about the same volume as the typical California prescriber of this medication (25). Medicare paid an average of $2,633.42 per fill, versus $2,777.73 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 This provider's average cost per fill is below the CA average for this medication. 25 30-Day Fills standardized to 30-day supplies 478 Days of Medication total across all patients in 2024 | |||
| Amjevita(Cf) AutoinjectorAdalimumab-Atto | 22 | $1,596.88 | ▼ Less than typical |
About Amjevita(Cf) Autoinjector: Adalimumab is used to reduce pain and swelling due to certain types of arthritis (such as rheumatoid, psoriatic, juvenile idiopathic, ankylosing spondylitis). Show more ▾ This medication is also used to treat certain skin disorders (such as plaque-type psoriasis, hidradenitis suppurativa). It works by blocking a protein (tumor necrosis factor or TNF) found in the body's immune system that causes joint swelling and damage in arthritis as well as red scaly patches in psoriasis. Adalimumab belongs to a class of drugs known as TNF blockers. By reducing joint swelling, this medication helps to reduce further joint damage and preserve joint function. Adalimumab is also used to treat certain bowel conditions (Crohn's disease, ulcerative colitis) and a certain eye disease (uveitis). This monograph is about the following adalimumab products: adalimumab, adalimumab-aacf, adalimumab-aaty, adalimumab-adaz, adalimumab-adbm, adalimumab-afzb, adalimumab-aqvh, adalimumab-atto, adalimumab-bwwd, adalimumab-fkjp, and adalimumab-ryvk. A humanized monoclonal antibody that binds specifically to TNF-ALPHA and blocks its interaction with endogenous TNF RECEPTORS to modulate INFLAMMATION. It is used in the treatment of RHEUMATOID ARTHRITIS; PSORIATIC ARTHRITIS; CROHN'S DISEASE and ULCERATIVE COLITIS. In 2024, this provider wrote 22 Medicare prescriptions for Amjevita(Cf) Autoinjector, about half the volume of the typical California prescriber of this medication (41). Medicare paid an average of $1,596.88 per fill, versus $1,402.98 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. 22 30-Day Fills standardized to 30-day supplies 616 Days of Medication total across all patients in 2024 | |||
| Lubiprostone | 21 | $97.87▼ below CA avg | ≈ Typical |
About Lubiprostone: This medication is used to treat certain types of constipation (chronic idiopathic constipation, irritable bowel syndrome with constipation). Show more ▾ Chronic idiopathic constipation has an unknown cause and is not due to diet, other diseases, or drugs. Lubiprostone is also used to treat constipation caused by opioid medications in people with ongoing pain due to medical conditions other than cancer. This medication may improve symptoms such as bloating and abdominal discomfort, improve stool texture, lessen the need to strain, and decrease the feeling of not completely relieving oneself. Lubiprostone belongs to a class of drugs known as chloride channel activators. It works by increasing the amount of fluid within your intestines, making the passage of stool easier. Member of a bicyclic fatty acid class of compounds derived from PROSTAGLANDIN E1 involved in chloride channel gating. In 2024, this provider wrote 21 Medicare prescriptions for Lubiprostone, about 90% of the volume of the typical California prescriber of this medication (23.4). Medicare paid an average of $97.87 per fill, versus $132.30 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 This provider's average cost per fill is below the CA average for this medication. 31.7 30-Day Fills standardized to 30-day supplies 950 Days of Medication total across all patients in 2024 | |||
| CholestyramineCholestyramine (With Sugar) | 20 | $67.66▼ below CA avg | ≈ Typical |
About Cholestyramine: Cholestyramine is used along with a proper diet to lower cholesterol in the blood. Show more ▾ Lowering cholesterol helps decrease the risk for strokes and heart attacks. In addition to 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. Cholestyramine may also be used to treat itching in people with too much bile acid caused by a certain type of liver/bile duct disease (partial biliary obstruction). This medication is known as a bile acid-binding resin. It works by removing bile acid from the body. In people with high cholesterol, this causes the liver to make more bile acid by using cholesterol in the blood. This helps to lower the cholesterol levels. A strongly basic anion exchange resin whose main constituent is polystyrene trimethylbenzylammonium Cl(-) anion. In 2024, this provider wrote 20 Medicare prescriptions for Cholestyramine, about the same volume as the typical California prescriber of this medication (19.7). Medicare paid an average of $67.66 per fill, versus $72.34 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 This provider's average cost per fill is below the CA average for this medication. 32.1 30-Day Fills standardized to 30-day supplies 918 Days of Medication total across all patients in 2024 | |||
| Colestipol Hcl | 20 | $177.48 | ≈ Typical |
About Colestipol Hcl: Colestipol is used along with a proper diet to lower cholesterol in the blood. Show more ▾ Lowering cholesterol helps decrease the risk for strokes and heart attacks. In addition to 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. This medication is known as a bile acid-binding resin. It works by removing bile acid from the body. In people with high cholesterol, this causes the liver to make more bile acid by using cholesterol in the blood. This helps to lower the cholesterol levels. Highly crosslinked and insoluble basic anion exchange resin used as anticholesteremic. It may also may reduce triglyceride levels. In 2024, this provider wrote 20 Medicare prescriptions for Colestipol Hcl, about the same volume as the typical California prescriber of this medication (22). Medicare paid an average of $177.48 per fill, versus $97.97 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. 38.7 30-Day Fills standardized to 30-day supplies 1,160 Days of Medication total across all patients in 2024 | |||
| Mesalamine | 19 | $377.93▼ below CA avg | ▼ Less than typical |
About Mesalamine: This medication is used to treat a certain bowel disease (ulcerative colitis). Show more ▾ It helps to reduce symptoms of ulcerative colitis such as diarrhea, rectal bleeding, and stomach pain. Mesalamine belongs to a class of drugs known as aminosalicylates. It works by decreasing swelling in the colon. An anti-inflammatory agent, structurally related to the SALICYLATES, which is active in INFLAMMATORY BOWEL DISEASE. It is considered to be the active moiety of SULPHASALAZINE. (From Martindale, The Extra Pharmacopoeia, 30th ed) In 2024, this provider wrote 19 Medicare prescriptions for Mesalamine, about 68% of the volume of the typical California prescriber of this medication (28). Medicare paid an average of $377.93 per fill, versus $446.16 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. 54 30-Day Fills standardized to 30-day supplies 1,620 Days of Medication total across all patients in 2024 | |||
| Entecavir | 16 | $36.99▼ below CA avg | ▼ Less than typical |
About Entecavir: See also Warning section. Show more ▾ Entecavir is used to treat long-term hepatitis B infection. Hepatitis B is an infection of the liver caused by the hepatitis B virus. Long-term infection can cause liver damage, rarely liver cancer, and liver failure. Entecavir helps to decrease the amount of hepatitis B virus in your body. It is unknown if this medication lowers your chance of getting liver cancer or liver damage. Entecavir is an antiviral that belongs to a class of drugs known as hepatitis B virus nucleoside reverse transcriptase inhibitors. Entecavir is not a cure for hepatitis B. It does not prevent the spread of the virus to others through sexual contact or blood/body fluid contamination (such as sharing used needles). In 2024, this provider wrote 16 Medicare prescriptions for Entecavir, about half the volume of the typical California prescriber of this medication (30.6). Medicare paid an average of $36.99 per fill, versus $171.02 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. 52.3 30-Day Fills standardized to 30-day supplies 1,570 Days of Medication total across all patients in 2024 | |||
| Metronidazole | 15 | $8.98▼ below CA avg | ▼ Less than typical |
About Metronidazole: Metronidazole is an antibiotic that is used to treat a wide variety of infections. Show more ▾ It works by stopping the growth of certain bacteria and parasites. This antibiotic treats only certain bacterial and parasitic infections. It will not work for viral infections (such as common cold, flu). Using any antibiotic when it is not needed can cause it to not work for future infections. Metronidazole may also be used with other medications to treat certain stomach/intestinal ulcers caused by a bacteria (H. pylori). A nitroimidazole used to treat AMEBIASIS; VAGINITIS; TRICHOMONAS INFECTIONS; GIARDIASIS; ANAEROBIC BACTERIA; and TREPONEMAL INFECTIONS. In 2024, this provider wrote 15 Medicare prescriptions for Metronidazole, about 70% of the volume of the typical California prescriber of this medication (21.6). Medicare paid an average of $8.98 per fill, versus $29.58 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 30-Day Fills standardized to 30-day supplies 206 Days of Medication total across all patients in 2024 | |||
| Mirtazapine | 13 | $13.93▼ below CA avg | ▼ Less than typical |
About Mirtazapine: This medication is used to treat depression. Show more ▾ Mirtazapine works by helping to restore the balance of certain natural substances in the brain. A piperazinoazepine tetracyclic compound that enhances the release of NOREPINEPHRINE and SEROTONIN through blockage of presynaptic ALPHA-2 ADRENERGIC RECEPTORS. It also blocks both 5-HT2 and 5-HT3 serotonin receptors and is a potent HISTAMINE H1 RECEPTOR antagonist. It is used for the treatment of depression, and may also be useful for the treatment of anxiety disorders. In 2024, this provider wrote 13 Medicare prescriptions for Mirtazapine, about a third of the volume of the typical California prescriber of this medication (40.3). Medicare paid an average of $13.93 per fill, versus $19.05 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. 31.7 30-Day Fills standardized to 30-day supplies 950 Days of Medication total across all patients in 2024 | |||
| Lactulose | 12 | $26.92▼ below CA avg | ▼ Less than typical |
About Lactulose: This medication is a laxative used to treat constipation. Show more ▾ It may help to increase the number of bowel movements per day and the number of days you have a bowel movement. Lactulose is a colonic acidifier that works by increasing stool water content and softening the stool. It is a man-made sugar solution. A synthetic disaccharide used in the treatment of constipation and hepatic encephalopathy. It has also been used in the diagnosis of gastrointestinal disorders. (From Martindale, The Extra Pharmacopoeia, 30th ed, p887) In 2024, this provider wrote 12 Medicare prescriptions for Lactulose, about a third of the volume of the typical California prescriber of this medication (29.1). Medicare paid an average of $26.92 per fill, versus $52.96 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 30-Day Fills standardized to 30-day supplies 68 Days of Medication total across all patients in 2024 | |||
About this data. The prescription history for DR. KELVIN TRONG NGUYEN 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 Student in an Organized Health Care Education/Training Program prescribing approach at this Orange, 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 among CA 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.
