DR. NAI-YUAN NICHOLAS CHANG MD, DDS, PHD
Prescription History 1548938749
Dentist in Salem, OR
Medicare Part D Prescription History
Explore the verified Medicare Part D prescription history, volume metrics, and calculated drug costs for DR. NAI-YUAN NICHOLAS CHANG MD, DDS, PHD, an active Dentist specialist practicing in Salem, OR. Our medical registry currently tracks 2 unique pharmaceutical formulations prescribed by this provider, representing an estimated volume of 43 documented patient claims. Among these therapy options, the most frequently utilized medication is Amoxicillin, which accounts for 22 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 OR PrescribersVs. OR Avg |
|---|---|---|---|
| Amoxicillin | 22 | $2.59▼ below OR avg | ▼ Less than typical |
About Amoxicillin: Amoxicillin is used to treat a wide variety of bacterial infections. Show more ▾ This medication is a penicillin-type antibiotic. 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. Amoxicillin is also used with other medications to treat stomach/intestinal ulcers caused by the bacteria H. pylori and to prevent the ulcers from returning. A broad-spectrum semisynthetic antibiotic similar to AMPICILLIN except that its resistance to gastric acid permits higher serum levels with oral administration. In 2024, this provider wrote 22 Medicare prescriptions for Amoxicillin, about 66% of the volume of the typical Oregon prescriber of this medication (33.4). Medicare paid an average of $2.59 per fill, versus $4.03 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average OR 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 OR average for this medication. 22 30-Day Fills standardized to 30-day supplies 134 Days of Medication total across all patients in 2024 | |||
| Acetaminophen-CodeineAcetaminophen With Codeine | 21 | $5.80▼ below OR avg | ≈ Typical |
About Acetaminophen-Codeine: See also Warning section. Show more ▾ This combination medication is used to help relieve mild to moderate pain. It contains an opioid pain reliever (codeine) and a non-opioid pain reliever (acetaminophen). Codeine works in the brain to change how your body feels and responds to pain. Acetaminophen can also reduce a fever. In 2024, this provider wrote 21 Medicare prescriptions for Acetaminophen-Codeine, about the same volume as the typical Oregon prescriber of this medication (21.1). Medicare paid an average of $5.80 per fill, versus $19.46 statewide. How often this provider prescribes it This provider's prescribing volume for this medication is in line with the average OR 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 OR average for this medication. 21 30-Day Fills standardized to 30-day supplies 127 Days of Medication total across all patients in 2024 | |||
About this data. The prescription history for DR. NAI-YUAN NICHOLAS CHANG MD, DDS, PHD 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 Dentist prescribing approach at this Salem, OR 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 OR 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.
