Nathaniel L. Peyton, M.D.
NPI 1336526938ActiveIndividual· Internal Medicine, Gastroenterology· New Orleans, LA
Internal Medicine, Gastroenterology (M.D.) in New Orleans, Louisiana, trained at University of Louisville School of Medicine (class of 2015). Their prescriptions cost Medicare Part D more than their services did: $415,970 for 668 claims, against $160,871 paid for services in 2024. Abbvie Inc. was the largest of 13 companies reporting payments in 2025, $1,067 in all, mostly food and beverage.
Overview
| NPI | 1336526938 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 4, 2015 |
| Last updated in NPPES | Jul 19, 2022 |
| Certified by provider | Jul 19, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | MD.44675 | AL |
| Internal Medicine | 207R00000X | 308623 | LA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 (AL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 231 |
|---|---|
| Services billed | 7,825 across 49 procedure codes |
| Paid by Medicare | $160,871 |
Part D prescriptions in 2024
| Prescriptions (claims) | 668 · 898 30-day fills |
|---|---|
| Patients | 267 |
| Total drug cost | $415,970 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | University of Louisville School of Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Gastroenterology |
Medical group
- Gastroenterology Associates of North-Central Alabama IncBirmingham, AL · 94 clinicians
Hospital affiliations
- Baptist Health Brookwood HospitalBirmingham, AL
- Grandview Medical CenterBirmingham, AL
- Shelby Baptist Medical CenterAlabaster, AL
- St Vincent's ChiltonClanton, AL
Industry payments (Open Payments)
- 2025$1,067 · 62 payments from 13 companies
- 2024$948.16 · 56 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $345.36 | 21 |
| Janssen Biotech, Inc. | $195.22 | 11 |
| Lilly USA, LLC | $135.70 | 8 |
| Genzyme Corporation | $70.00 | 3 |
| Aimmune Therapeutics, Inc. | $57.08 | 4 |
What the 2025 payments were for
- Food and Beverage$1,067 · 62 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 56 gastroenterologists in New Orleans · All gastroenterologists in Louisiana