Catherine Ying Ying Tannahill, MD
NPI 1679935787ActiveIndividual· Neurological Surgery· Lexington, KY
Neurological Surgery (MD) in Lexington, Kentucky, trained at University of Kentucky College of Medicine (class of 2016). 336 Medicare patients in 2024, $113,236 paid; nearly all of their 84 Part D prescriptions were generic (99%). Abbott Laboratories reported $20.75 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1679935787 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 28, 2016 |
| Last updated in NPPES | May 21, 2023 |
| Certified by provider | May 21, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | 52710 | KY |
| Neurological Surgery | 207T00000X | R4192 | KY |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Neurosurgery (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 336 |
|---|---|
| Services billed | 2,264 across 93 procedure codes |
| Paid by Medicare | $113,236 |
Part D prescriptions in 2024
| Prescriptions (claims) | 84 · 90 30-day fills |
|---|---|
| Patients | 43 |
| Total drug cost | $709.38 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | University of Kentucky College of Medicine |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Neurosurgery |
Medical group
- McLeod Physician Associates IILittle River, SC · 550 clinicians
Hospital affiliations
- McLeod Health CherawCheraw, SC
- McLeod Regional Medical Center-Pee DeeFlorence, SC
Industry payments (Open Payments)
- 2025$20.75 · 1 payment from 1 company
- 2024$204.43 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $20.75 | 1 |
What the 2025 payments were for
- Food and Beverage$20.75 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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