MARGARET JIEMIN ZHOU MD
Prescription History 1184157992
Internal Medicine - Gastroenterology in Stanford, CA
Medicare Part D Prescription History
Explore the verified Medicare Part D prescription history, volume metrics, and calculated drug costs for MARGARET JIEMIN ZHOU MD, an active Gastroenterology specialist practicing in Stanford, CA. Our medical registry currently tracks 3 unique pharmaceutical formulations prescribed by this provider, representing an estimated volume of 57 documented patient claims. Among these therapy options, the most frequently utilized medication is Peg 3350-Electrolyte, which accounts for 25 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 |
|---|---|---|---|
| Peg 3350-ElectrolyteSodium Chloride/Nahco3/Kcl/Peg | 25 | $20.31▼ below CA avg | ▼ Less than typical |
About Peg 3350-Electrolyte: 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 25 Medicare prescriptions for Peg 3350-Electrolyte, about half the volume of the typical California prescriber of this medication (59.1). Medicare paid an average of $20.31 per fill, versus $21.31 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 64 Days of Medication total across all patients in 2024 | |||
| Omeprazole | 21 | $10.47▼ below CA 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 21 Medicare prescriptions for Omeprazole, about a quarter of the volume of the typical California prescriber of this medication (78.1). Medicare paid an average of $10.47 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 This provider's average cost per fill is below the CA average for this medication. 25.5 30-Day Fills standardized to 30-day supplies 612 Days of Medication total across all patients in 2024 | |||
| Gavilyte-GPeg3350/Sod Sulf,bicarb,cl/Kcl | 11 | $19.61 | ▼ Less than typical |
About Gavilyte-G: 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 11 Medicare prescriptions for Gavilyte-G, about 16% of the volume of the typical California prescriber of this medication (67.8). Medicare paid an average of $19.61 per fill, versus $15.40 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. 11 30-Day Fills standardized to 30-day supplies 18 Days of Medication total across all patients in 2024 | |||
About this data. The prescription history for MARGARET JIEMIN ZHOU MD 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 Gastroenterology prescribing approach at this Stanford, 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.
