Quick answers
- Which hospitals does John C. Marston work at?
- Medicare's official clinician data lists John C. Marston at 1 hospital: Baton Rouge General Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John C. Marston see patients?
- Medicare's clinician data lists 1 practice location in Baton Rouge, LA. Call before your visit to confirm the address.
- What is John C. Marston's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does John C. Marston accept Medicare assignment?
- Yes. Medicare's clinician data says John C. Marston accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does John C. Marston offer telehealth?
- Medicare's clinician data says John C. Marston offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John C. Marston?
- (225) 246-9790, as listed in official Medicare / NPI Registry data.
- What is John C. Marston's NPI number?
- 1093219701. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John C. Marston works
Medicare's Facility Affiliation Data lists John C. Marston at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Baton Rouge General Medical CenterBaton Rouge, LA · Acute Care Hospital · CCN 190065
Practice locations
Addresses where John C. Marston is enrolled with Medicare (CMS data updated 2026-10-02).
- 7373 Perkins RdBaton Rouge, LA 70808 (225) 246‑9790
Group practices
Medicare enrollment lists John C. Marston as a member of this group (CMS data updated 2026-10-02).
- Baton Rouge Clinic, a Medical Corporation287 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Baton Rouge
Clinicians with the same Medicare primary specialty in Baton Rouge, LA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Alabama School Of Medicine |
| Graduation year | 2018 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1093219701 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians