CATHERINE YING YING TANNAHILL MD
Prescription History 1679935787
Neurological Surgery in Lexington, KY
What does Dr. Tannahill prescribe?
In 2024, Dr. Tannahill wrote 32 Medicare prescriptions for 2 medications. The most prescribed was Cyclobenzaprine Hcl, with 16 prescriptions for 12 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. Tannahill 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 Kentucky prescribers.
What it is used for
Cyclobenzaprine is used short-term to treat muscle spasms.
Compared with Kentucky prescribers
Dr. Tannahill wrote 16 prescriptions for Cyclobenzaprine Hcl, about 35% as often as the typical Kentucky prescriber of it (46). Medicare paid $5.60 per fill, versus $6.11 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
Gabapentin is used with other medications to prevent and control seizures.
Compared with Kentucky prescribers
Dr. Tannahill wrote 16 prescriptions for Gabapentin, about 10% as often as the typical Kentucky prescriber of it (162). Medicare paid $9.23 per fill, versus $10.38 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. Tannahill’s prescriptions
What does Dr. Tannahill prescribe most?
In 2024 Medicare Part D data, Dr. Tannahill's most prescribed medications were Cyclobenzaprine Hcl (16) and Gabapentin (16).
How does Dr. Tannahill's prescribing compare with other Kentucky prescribers?
Of the 2 medications with a state comparison, Dr. Tannahill prescribes 2 less often than the typical Kentucky prescriber. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Tannahill 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 Kentucky 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.
