Gregory S. Martin, MD
NPI 1891875423ActiveIndividual· Obstetrics & Gynecology· Gainesville, GA
Obstetrics & Gynecology (MD) in Gainesville, Georgia, trained at Medical College of Georgia School of Medicine (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $11,733 for 162 claims, against $4,119 paid for services in 2024. Biogen, Inc. was the largest of 6 companies reporting payments in 2025, $278.97 in all, mostly food and beverage.
Overview
| NPI | 1891875423 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 17, 2006 |
| Last updated in NPPES | Nov 9, 2020 |
| Certified by provider | Nov 9, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 047801 | GA |
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 - Obstetrics/Gynecology (GA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 22 |
|---|---|
| Services billed | 52 across 21 procedure codes |
| Paid by Medicare | $4,119 |
Part D prescriptions in 2024
| Prescriptions (claims) | 162 · 223 30-day fills |
|---|---|
| Patients | 41 |
| Total drug cost | $11,733 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | Medical College of Georgia School of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- Northeast Georgia Physicians Group IncGainesville, GA · 883 clinicians
Hospital affiliation
- Northeast Georgia Medical Center, IncGainesville, GA
Industry payments (Open Payments)
- 2025$278.97 · 13 payments from 6 companies
- 2024$3,656 · 20 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Biogen, Inc. | $104.09 | 4 |
| Bayer Healthcare Pharmaceuticals Inc. | $65.00 | 4 |
| Astellas Pharma US Inc | $58.14 | 2 |
| Innovation Technologies Inc | $23.50 | 1 |
| Pfizer Inc. | $15.71 | 1 |
What the 2025 payments were for
- Food and Beverage$278.97 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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