Gary John Palmer, M.D.
NPI 1053316893ActiveIndividual· Internal Medicine· Centerville, OH
Internal Medicine (M.D.) in Centerville, Ohio, trained at Wright State University Boonshoft School of Medicine (class of 1998). Their prescriptions cost Medicare Part D more than their services did: $686,401 for 7,228 claims, against $40,760 paid for services in 2024. Pfizer Inc. was the largest of 3 companies reporting payments in 2025, $139.25 in all, mostly food and beverage.
Overview
| NPI | 1053316893 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 17, 2005 |
| Last updated in NPPES | Mar 7, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 35-07-7315-P | OH |
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 (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 125 |
|---|---|
| Services billed | 505 across 11 procedure codes |
| Paid by Medicare | $40,760 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,228 · 7,292 30-day fills |
|---|---|
| Patients | 198 |
| Total drug cost | $686,401 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | Wright State University Boonshoft School of Medicine |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Internal Medicine |
Medical group
- Ohio Post-Acute Medical Services 1 IncDayton, OH · 6 clinicians
Other facilities
- Hospice of DaytonHospice · Dayton, OH
- Interim Healthcare Hospice of DaytonHospice · Huber Heights, OH
- Centerville Post AcuteNursing home · Centerville, OH
Industry payments (Open Payments)
- 2025$139.25 · 8 payments from 3 companies
- 2024$212.24 · 12 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $85.08 | 5 |
| Genzyme Corporation | $34.00 | 2 |
| Janssen Biotech, Inc. | $20.17 | 1 |
What the 2025 payments were for
- Food and Beverage$139.25 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 22 internal medicine physicians in Centerville · All internal medicine physicians in Ohio