Gerald T. Arbour Jr., M.D.
NPI 1831300607ActiveIndividual· Internal Medicine, Gastroenterology· Baton Rouge, LA
Internal Medicine, Gastroenterology (M.D.) in Baton Rouge, Louisiana, trained at Louisiana State University School of Medicine in Shreveport (class of 2003). Their prescriptions cost Medicare Part D more than their services did: $645,143 for 2,704 claims, against $146,681 paid for services in 2024. Abbvie Inc. was the largest of 10 companies reporting payments in 2025, $1,177 in all, mostly food and beverage.
Overview
| NPI | 1831300607 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 24, 2007 |
| Last updated in NPPES | Jan 19, 2021 |
| Certified by provider | Jan 19, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 026541 | LA |
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 (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 363 |
|---|---|
| Services billed | 4,702 across 67 procedure codes |
| Paid by Medicare | $146,681 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,704 · 4,491 30-day fills |
|---|---|
| Patients | 809 |
| Total drug cost | $645,143 |
| Generic share | 79% of claims |
Education and affiliations
| Medical school | Louisiana State University School of Medicine in Shreveport |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Baton Rouge Clinic, A Medical CorporationBaton Rouge, LA · 287 clinicians
Hospital affiliations
- Baton Rouge General Medical CenterBaton Rouge, LA
- Our Lady of the Lake Regional Medical CenterBaton Rouge, LA
Industry payments (Open Payments)
- 2025$1,177 · 68 payments from 10 companies
- 2024$1,180 · 38 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $251.18 | 28 |
| Gilead Sciences, Inc. | $156.87 | 10 |
| Genzyme Corporation | $155.65 | 2 |
| Janssen Scientific Affairs, LLC | $149.26 | 1 |
| Pfizer Inc. | $117.70 | 6 |
What the 2025 payments were for
- Food and Beverage$1,165 · 67 payments
- Education$12.42 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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