Quick answers
- Which hospitals does James R. Barron work at?
- Medicare's official clinician data lists James R. Barron at 5 hospitals: Adena Regional Medical Center, Corewell Health Big Rapids Hospital, Corewell Health Gerber Hospital, Corewell Health Reed City Hospital and Spectrum Health United Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does James R. Barron see patients?
- Medicare's clinician data lists 15 practice locations, including Grand Rapids, MI, Chillicothe, OH and Waverly, OH. Call before your visit to confirm the address.
- What is James R. Barron's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does James R. Barron accept Medicare assignment?
- Yes. Medicare's clinician data says James R. Barron 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 James R. Barron?
- (616) 267-0115, as listed in official Medicare / NPI Registry data.
- What is James R. Barron's NPI number?
- 1295776441. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where James R. Barron works
Medicare's Facility Affiliation Data lists James R. Barron at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adena Regional Medical CenterChillicothe, OH · Acute Care Hospital · CCN 360159
- Corewell Health Big Rapids HospitalBig Rapids, MI · Acute Care Hospital · CCN 230093
- Corewell Health Gerber HospitalFremont, MI · Critical Access Hospital · CCN 231338
- Corewell Health Reed City HospitalReed City, MI · Critical Access Hospital · CCN 231323
- Spectrum Health United HospitalGreenville, MI · Acute Care Hospital · CCN 230035
Practice locations
Addresses where James R. Barron is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 15; the Medicare profile lists all.
- 100 Michigan Ave NEGrand Rapids, MI 49503
- 100 Michigan St NE Rm, 280 Corewell Health Medical Group WestGrand Rapids, MI 49503 (616) 267‑0115
- 100 N Walnut StChillicothe, OH 45601 (740) 779‑4500
- 110 Vaugh Lane, Suite 20Chillicothe, OH 45601 (740) 779‑7201
- 12340 State Route 104Waverly, OH 45690 (740) 941‑5180
Group practices
Medicare enrollment lists James R. Barron as a member of these groups (CMS data updated 2026-10-02).
- Spectrum Health Primary Care Partners2,294 clinicians in the group
- Adena Medical Group LLC386 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Grand Rapids
Clinicians with the same Medicare primary specialty in Grand Rapids, MI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Michigan State University College Of Human Medicine |
| Graduation year | 1994 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1295776441 |
| 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