Ryan C. Wanamaker, MD
NPI 1326090358ActiveIndividual· Internal Medicine, Gastroenterology· Savannah, GA
Internal Medicine, Gastroenterology (MD) in Savannah, Georgia, trained at University of North Carolina at Chapel Hill School of Medicine (class of 2000). In 2024 Medicare paid $141,829 for 456 patients, and Part D covered 834 of their prescriptions, 85% of them generic. Abbvie Inc. was the largest of 22 companies reporting payments in 2025, $2,080 in all, mostly food and beverage.
Overview
| NPI | 1326090358 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | May 17, 2006 |
| Last updated in NPPES | Feb 13, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 057335 | 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 - Gastroenterology (GA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 456 |
|---|---|
| Services billed | 3,496 across 51 procedure codes |
| Paid by Medicare | $141,829 |
Part D prescriptions in 2024
| Prescriptions (claims) | 834 · 1,606 30-day fills |
|---|---|
| Patients | 308 |
| Total drug cost | $163,269 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | University of North Carolina at Chapel Hill School of Medicine |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Gastroenterology |
Medical groups
- Aga Professional Services LLCAtlanta, GA · 177 clinicians
- Aga, LLCPooler, GA · 137 clinicians
Hospital affiliations
- Candler HospitalSavannah, GA
- Savannah Health Services LLC DBA Memorial Health University Medical CenterSavannah, GA
- St Joseph's Hospital - SavannahSavannah, GA
- Wayne Memorial HospitalJesup, GA
Industry payments (Open Payments)
- 2025$2,080 · 112 payments from 22 companies
- 2024$1,814 · 100 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $840.26 | 48 |
| Janssen Biotech, Inc. | $136.08 | 8 |
| Ipsen Biopharmaceuticals, Inc | $115.07 | 6 |
| Madrigal Pharmaceuticals | $94.71 | 5 |
| Genzyme Corporation | $83.62 | 3 |
What the 2025 payments were for
- Food and Beverage$2,080 · 112 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 25 gastroenterologists in Savannah · All gastroenterologists in Georgia