John Clifton Marston, MD
NPI 1093219701ActiveIndividual· Internal Medicine· Baton Rouge, LA
Internal Medicine (MD) in Baton Rouge, Louisiana, trained at University of Alabama School of Medicine (class of 2018). Their prescriptions cost Medicare Part D more than their services did: $370,129 for 4,260 claims, against $59,203 paid for services in 2024. Abiomed reported $27.78 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1093219701 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 19, 2018 |
| Last updated in NPPES | Mar 17, 2022 |
| Certified by provider | Mar 17, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 309572 | 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 - Internal Medicine (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 203 |
|---|---|
| Services billed | 1,490 across 91 procedure codes |
| Paid by Medicare | $59,203 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,260 · 7,896 30-day fills |
|---|---|
| Patients | 549 |
| Total drug cost | $370,129 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | University of Alabama School of Medicine |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Baton Rouge Clinic, A Medical CorporationBaton Rouge, LA · 287 clinicians
Hospital affiliation
- Baton Rouge General Medical CenterBaton Rouge, LA
Other facilities
- Amedisys Home HealthHome health agency · Baton Rouge, LA
- Audubon Home HealthHome health agency · Baton Rouge, LA
- Elara CaringHome health agency · Baton Rouge, LA
Industry payments (Open Payments)
- 2025$27.78 · 1 payment from 1 company
- 2024$14.26 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abiomed | $27.78 | 1 |
What the 2025 payments were for
- Food and Beverage$27.78 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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