Quick answers
- Which hospitals does John R. Barnes work at?
- Medicare's official clinician data lists John R. Barnes at 1 hospital: Merit Health River Region. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John R. Barnes see patients?
- Medicare's clinician data lists 1 practice location in Vicksburg, MS. Call before your visit to confirm the address.
- What is John R. Barnes's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does John R. Barnes accept Medicare assignment?
- Yes. Medicare's clinician data says John R. Barnes 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 John R. Barnes's NPI number?
- 1205865680. 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 R. Barnes works
Medicare's Facility Affiliation Data lists John R. Barnes at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Merit Health River RegionVicksburg, MS · Acute Care Hospital · CCN 250031
Practice locations
Addresses where John R. Barnes is enrolled with Medicare (CMS data updated 2026-10-02).
- 1901 Mission, Suite 66Vicksburg, MS 39180
Specialties
- Family Practiceprimary
Other family doctors in Vicksburg
Clinicians with the same Medicare primary specialty in Vicksburg, MS — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Louisiana State University School Of Medicine In New Orleans |
| Graduation year | 1977 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1205865680 |
| 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