Quick answers
- Which hospitals does Gregory W. Cotter work at?
- Medicare's official clinician data lists Gregory W. Cotter at 2 hospitals: Merit Health Natchez and Riverland Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregory W. Cotter see patients?
- Medicare's clinician data lists 5 practice locations, including Natchez, MS, Baton Rouge, LA and Houma, LA. Call before your visit to confirm the address.
- What is Gregory W. Cotter's specialty?
- Medicare lists Radiation Oncology as the primary specialty.
- Does Gregory W. Cotter accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory W. Cotter 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.
- What is the phone number for Gregory W. Cotter?
- (601) 442-1285, as listed in official Medicare / NPI Registry data.
- What is Gregory W. Cotter's NPI number?
- 1659363067. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gregory W. Cotter works
Medicare's Facility Affiliation Data lists Gregory W. Cotter at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Merit Health NatchezNatchez, MS · Acute Care Hospital · CCN 250084
- Riverland Medical CenterFerriday, LA · Critical Access Hospital · CCN 191318
Practice locations
Addresses where Gregory W. Cotter is enrolled with Medicare (CMS data updated 2026-10-02).
- 133 Jefferson Davis BlvdNatchez, MS 39120 (601) 442‑1285
- 4950 Essen LnBaton Rouge, LA 70809 (225) 767‑0847
- 4950 Essen Ln, Suite 200Baton Rouge, LA 70809
- 4950 Essen Ln, Suite 500Baton Rouge, LA 70809 (225) 767‑0847
- 8166 Main St, Suite 101Houma, LA 70360 (985) 876‑9045
Group practices
Medicare enrollment lists Gregory W. Cotter as a member of this group (CMS data updated 2026-10-02).
- Mary Bird Perkins Cancer Center100 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in Mississippi
Clinicians with the same Medicare primary specialty in Mississippi — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of South Alabama College Of Medicine |
| Graduation year | 1980 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1659363067 |
| 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