Gregory Lee Stamper, DO
NPI 1790765592ActiveIndividual· Internal Medicine· Williston, FL
Internal Medicine (DO) in Williston, Florida, trained at Nova Southeastern College of Osteo Medicine (class of 1988). Their prescriptions cost Medicare Part D more than their services did: $1,470,758 for 13,020 claims, against $124,315 paid for services in 2024. Pfizer Inc. reported $86.32 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1790765592 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jan 18, 2006 |
| Last updated in NPPES | Nov 11, 2025 |
| Certified by provider | Nov 11, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | OS5742 | FL |
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 (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 392 |
|---|---|
| Services billed | 2,172 across 31 procedure codes |
| Paid by Medicare | $124,315 |
Part D prescriptions in 2024
| Prescriptions (claims) | 13,020 · 29,418 30-day fills |
|---|---|
| Patients | 664 |
| Total drug cost | $1,470,758 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Nova Southeastern College of Osteo Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Orlando Family Physicians LLCOrlando, FL · 86 clinicians
Hospital affiliation
- Uf Health Shands HospitalGainesville, FL
Other facilities
- Centerwell Home HealthHome health agency · Gainesville, FL
- Concierge Home CareHome health agency · Gainesville, FL
- HCA Florida Healthcare at HomeHome health agency · Gainesville, FL
- Vitas Healthcare Corporation of FloridaHospice · Melbourne, FL
Industry payments (Open Payments)
- 2025$86.32 · 5 payments from 1 company
- 2024$92.64 · 5 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $86.32 | 5 |
What the 2025 payments were for
- Food and Beverage$86.32 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Williston
- 1740260033