Gary S. Hathaway, MD
NPI 1164489373ActiveIndividual· Surgery· Marietta, GA
Surgery (MD) with Wellstar Medical Group LLC, practicing in Marietta, Georgia. 170 Medicare patients in 2024, $61,671 paid; all of their 264 Part D prescriptions were generic. Astrazeneca Pharmaceuticals LP was the largest of 6 companies reporting payments in 2025, $171.78 in all, mostly food and beverage. Lists Wellstar Kennestone Regional Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1164489373 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 1, 2006 |
| Last updated in NPPES | Dec 3, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 042599 | 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 - General Surgery (GA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 170 |
|---|---|
| Services billed | 338 across 48 procedure codes |
| Paid by Medicare | $61,671 |
Part D prescriptions in 2024
| Prescriptions (claims) | 264 · 271 30-day fills |
|---|---|
| Patients | 149 |
| Total drug cost | $1,629 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 1988 |
|---|---|
| Medicare specialty | General Surgery |
Medical group
- Wellstar Medical Group LLCMarietta, GA · 3,093 clinicians
Hospital affiliations
- Wellstar Kennestone Regional Medical CenterMarietta, GA
- Wellstar Paulding Medical CenterHiram, GA
Other facilities
- Wellstar Windy Hill HospitalLong-term care hospital · Marietta, GA
Industry payments (Open Payments)
- 2025$171.78 · 6 payments from 6 companies
- 2024$216.02 · 8 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $68.49 | 1 |
| Integra Lifesciences Corporation | $25.03 | 1 |
| Smith+nephew, Inc. | $21.83 | 1 |
| Acera Surgical, Inc. | $21.83 | 1 |
| Medtronic, Inc. | $19.12 | 1 |
What the 2025 payments were for
- Food and Beverage$103.29 · 5 payments
- Education$68.49 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 32 general surgeons in Marietta · All general surgeons in Georgia