Amanda Guentner, MD
NPI 1346533213ActiveIndividual· Internal Medicine, Gastroenterology· Atlanta, GA
Internal Medicine, Gastroenterology (MD) in Atlanta, Georgia, trained at Loyola University of Chicago, Stritch School of Medicine (class of 2011). Their prescriptions cost Medicare Part D more than their services did: $106,887 for 760 claims, against $66,897 paid for services in 2024. Janssen Biotech, Inc. was the largest of 13 companies reporting payments in 2025, $1,009 in all, mostly food and beverage.
Overview
| NPI | 1346533213 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 25, 2011 |
| Last updated in NPPES | Aug 17, 2021 |
| Certified by provider | Aug 17, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 89770 | GA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 175 |
|---|---|
| Services billed | 2,159 across 38 procedure codes |
| Paid by Medicare | $66,897 |
Part D prescriptions in 2024
| Prescriptions (claims) | 760 · 1,194 30-day fills |
|---|---|
| Patients | 311 |
| Total drug cost | $106,887 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | Loyola University of Chicago, Stritch School of Medicine |
|---|---|
| Graduation year | 2011 |
| Medicare specialty | Gastroenterology |
Medical groups
- Aga Professional Services LLCAtlanta, GA · 177 clinicians
- Aga, LLCPooler, GA · 137 clinicians
Hospital affiliations
- Emory University Hospital MidtownAtlanta, GA
- Northside HospitalAtlanta, GA
Industry payments (Open Payments)
- 2025$1,009 · 51 payments from 13 companies
- 2024$1,195 · 57 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $206.30 | 11 |
| Abbvie Inc. | $185.49 | 12 |
| Takeda Pharmaceuticals U.S.A., Inc. | $139.44 | 7 |
| Madrigal Pharmaceuticals | $85.18 | 3 |
| Regeneron Healthcare Solutions, Inc. | $82.05 | 3 |
What the 2025 payments were for
- Food and Beverage$1,009 · 51 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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