DAVID NERSETH IRVINE MD
Prescription History 1366483109
Emergency Medicine in Forest Grove, OR
What does Dr. Irvine prescribe?
In 2024, Dr. Irvine wrote 23 Medicare prescriptions for 2 medications. The most prescribed was Sulfamethoxazole-Trimethoprim (sulfamethoxazole/trimethoprim), with 12 prescriptions.
Medicare Part D only. These are prescriptions filled by people with Medicare drug coverage in 2024, from the CMS data released in 2026, the most recent year available. CMS does not publish medications with fewer than 11 prescriptions, so this is not a full list of what Dr. Irvine prescribes.
Medications 2 medications
Prescriptions filled under Medicare Part D in 2024. Select a medication to see what it is used for and how it compares with other Oregon prescribers.
What it is used for
This medication is a combination of two antibiotics: sulfamethoxazole and trimethoprim.
Compared with Oregon prescribers
Dr. Irvine wrote 12 prescriptions for Sulfamethoxazole-Trimethoprim, about half as often as the typical Oregon prescriber of it (22). Medicare paid $1.82 per fill, versus $6.09 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat a wide variety of bacterial infections, including those that cause acne.
Compared with Oregon prescribers
Dr. Irvine wrote 11 prescriptions for Doxycycline Hyclate, about half as often as the typical Oregon prescriber of it (26). Medicare paid $7.71 per fill, versus $16.80 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
Questions about Dr. Irvine’s prescriptions
What does Dr. Irvine prescribe most?
In 2024 Medicare Part D data, Dr. Irvine's most prescribed medications were Sulfamethoxazole-Trimethoprim (12) and Doxycycline Hyclate (11).
How does Dr. Irvine's prescribing compare with other Oregon prescribers?
Of the 2 medications with a state comparison, Dr. Irvine prescribes 2 less often than the typical Oregon prescriber. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Irvine prescribes?
No. It covers prescriptions filled by people with Medicare Part D drug coverage in 2024, and CMS leaves out any medication with fewer than 11 prescriptions.
About this data
This page shows one provider’s slice of public Medicare files. NPI Profile does not receive prescriptions or patient records.
| Source | What it provides here | Data year |
|---|---|---|
| CMS Medicare Part D Prescribers by Provider and Drug | Each medication, prescriptions, patients, 30-day fills, days of medication and cost. State comparisons average the Oregon prescribers of the same medication and form, where at least five wrote it. | 2024 (released 2026, the most recent available) |
| CMS Medicare Part D Drug Spending Dashboard | What each medication is used for. | 2024 |
- Only prescriptions filled by people with Medicare Part D drug coverage are counted. Private insurance, Medicaid and cash purchases are not.
- CMS leaves out medications with fewer than 11 prescriptions and hides patient counts under 11.
- Cost per fill is what the plan and the patient paid the pharmacy together, not what you pay at the counter.
- Medication descriptions are summaries from CMS. They are not medical advice; ask a health care professional about any medication.
