John E. Marshall, MD
NPI 1811918568ActiveIndividual· Internal Medicine, Rheumatology· Baton Rouge, LA
Internal Medicine, Rheumatology (MD) in Baton Rouge, Louisiana, licensed in LA, with an NPI issued in July 2006. Part D covered 23 prescriptions written in 2024, 70% of them generic.
Overview
| NPI | 1811918568 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 21, 2006 |
| Last updated in NPPES | Feb 4, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | 12924R | 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 - Rheumatology (LA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 23 · 39 30-day fills |
|---|---|
| Total drug cost | $4,843 |
| Generic share | 70% of claims |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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