Nagammai Nagappan, MD
NPI 1134485642ActiveIndividual· Obstetrics & Gynecology· Marietta, GA
Obstetrics & Gynecology (MD) with Wellstar Medical Group LLC, practicing in Marietta, Georgia. 35 Medicare patients in 2024, $7,015 paid; nearly all of their 120 Part D prescriptions were generic (94%). Astellas Pharma US Inc was the largest of 5 companies reporting payments in 2025, $112.76 in all, mostly food and beverage. Lists Wellstar Kennestone Regional Medical Center as a hospital affiliation.
Overview
| NPI | 1134485642 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Apr 9, 2012 |
| Last updated in NPPES | Oct 10, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 83098 | GA |
| Obstetrics & Gynecology | 207V00000X | 284611 | NY |
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 | 35 |
|---|---|
| Services billed | 126 across 16 procedure codes |
| Paid by Medicare | $7,015 |
Part D prescriptions in 2024
| Prescriptions (claims) | 120 · 211 30-day fills |
|---|---|
| Patients | 45 |
| Total drug cost | $5,347 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Obstetrics/Gynecology |
| Telehealth | Offers telehealth |
Medical group
- Wellstar Medical Group LLCMarietta, GA · 3,093 clinicians
Hospital affiliation
- Wellstar Kennestone Regional Medical CenterMarietta, GA
Other facilities
- Wellstar Windy Hill HospitalLong-term care hospital · Marietta, GA
Industry payments (Open Payments)
- 2025$112.76 · 5 payments from 5 companies
- 2024$102.05 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $26.69 | 1 |
| Optumhealth Care Solutions, LLC | $26.17 | 1 |
| Biogen, Inc. | $25.62 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $19.52 | 1 |
| Sumitomo Pharma America, Inc. | $14.76 | 1 |
What the 2025 payments were for
- Food and Beverage$112.76 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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