William Meek Gillespie IV, M.D.
NPI 1336568054ActiveIndividual· Internal Medicine· Southaven, MS
Internal Medicine (M.D.) in Southaven, Mississippi, trained at University of Mississippi School of Medicine (class of 2013). Their prescriptions cost Medicare Part D more than their services did: $474,535 for 1,321 claims, against $143,192 paid for services in 2024. Abbvie Inc. was the largest of 12 companies reporting payments in 2025, $1,054 in all, mostly food and beverage.
Overview
| NPI | 1336568054 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 9, 2014 |
| Last updated in NPPES | Oct 4, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 59906 | TN |
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 - Internal Medicine (MS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 472 |
|---|---|
| Services billed | 3,083 across 55 procedure codes |
| Paid by Medicare | $143,192 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,321 · 2,066 30-day fills |
|---|---|
| Patients | 589 |
| Total drug cost | $474,535 |
| Generic share | 79% of claims |
Education and affiliations
| Medical school | University of Mississippi School of Medicine |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Internal Medicine |
Medical group
- Gastroenterology Associates of Columbus, LLCStarkville, MS · 10 clinicians
Hospital affiliations
- Baptist Memorial Hospital-Oktibbeha CountyStarkville, MS
- Bmh-Golden TriangleColumbus, MS
Industry payments (Open Payments)
- 2025$1,054 · 59 payments from 12 companies
- 2024$1,028 · 59 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $308.44 | 24 |
| Madrigal Pharmaceuticals | $195.63 | 9 |
| Genzyme Corporation | $145.56 | 6 |
| Janssen Biotech, Inc. | $103.05 | 6 |
| Qol Medical, LLC | $89.84 | 4 |
What the 2025 payments were for
- Food and Beverage$1,054 · 59 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Southaven
- 1225047053
- 1235457789
- 1245694751
- 1275638363
- 1346660537
- 1356558357
- 1447282991
- 1447605498
- 1467671677
- 1548491673
- 1558651919
- 1578875894
All 52 internal medicine physicians in Southaven · All internal medicine physicians in Mississippi