DR. JASON WYETH KOOB M.D.
Prescription History 1093943821
Emergency Medicine in San Ramon, CA
What does Dr. Koob prescribe?
In 2024, Dr. Koob wrote 45 Medicare prescriptions for 2 medications. The most prescribed was Cephalexin, with 24 prescriptions for 23 patients.
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. Koob 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 California prescribers.
What it is used for
This medication is used to treat a wide variety of bacterial infections.
Compared with California prescribers
Dr. Koob wrote 24 prescriptions for Cephalexin, about 81% as often as the typical California prescriber of it (30). Medicare paid $6.69 per fill, versus $7.62 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 combination medication is used to relieve moderate to severe pain.
Compared with California prescribers
Dr. Koob wrote 21 prescriptions for Hydrocodone-Acetaminophen, about 28% as often as the typical California prescriber of it (76). Medicare paid $2.86 per fill, versus $21.39 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. Koob’s prescriptions
What does Dr. Koob prescribe most?
In 2024 Medicare Part D data, Dr. Koob's most prescribed medications were Cephalexin (24) and Hydrocodone-Acetaminophen (21).
How does Dr. Koob's prescribing compare with other California prescribers?
Of the 2 medications with a state comparison, Dr. Koob prescribes 1 about as often than the typical California prescriber and 1 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Koob 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 California 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.
