Winston Henry Griner Sr., MD
NPI 1922136449ActiveIndividual· Family Medicine, Addiction Medicine· Nashville, TN
Family Medicine, Addiction Medicine (MD) in Nashville, Tennessee, licensed in TN, with an NPI issued in February 2007. Part D covered 176 prescriptions written in 2024, 91% of them generic. Janssen Pharmaceuticals, Inc was the largest of 10 companies reporting payments in 2025, $2,133 in all, mostly food and beverage.
Overview
| NPI | 1922136449 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Feb 28, 2007 |
| Last updated in NPPES | Jun 2, 2020 |
| Certified by provider | Jun 2, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine, Addiction Medicine Primary | 207QA0401X | MD0000012084 | TN |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Family Practice (TN) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 176 · 216 30-day fills |
|---|---|
| Patients | 25 |
| Total drug cost | $13,135 |
| Generic share | 91% of claims |
Industry payments (Open Payments)
- 2025$2,133 · 17 payments from 10 companies
- 2024$1,249 · 13 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Pharmaceuticals, Inc | $429.22 | 3 |
| Alkermes, Inc. | $247.32 | 2 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $246.83 | 2 |
| E.R. Squibb & Sons, L.L.C. | $240.63 | 2 |
| Axsome Therapeutics, Inc. | $240.27 | 2 |
What the 2025 payments were for
- Food and Beverage$2,133 · 17 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Family Medicine, Addiction Medicine providers in Nashville
- 1851810774
- 1972847853
- 1396369617
- 1386240398
- 1932729191
- 1437655081
- 1851821649
- 1396730891
All Family Medicine, Addiction Medicine providers in Tennessee →