Quick answers
- Which hospitals does James A. Barnes work at?
- Medicare's official clinician data lists James A. Barnes at 5 hospitals: Diley Ridge Medical Center, Mount Carmel East & West, Mount Carmel St Ann's, Ohio State University State Health System and Riverside Methodist Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does James A. Barnes see patients?
- Medicare's clinician data lists 3 practice locations, including Westerville, OH, New Albany, OH and Pickerington, OH. Call before your visit to confirm the address.
- What is James A. Barnes's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does James A. Barnes accept Medicare assignment?
- Yes. Medicare's clinician data says James A. 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.
- Does James A. Barnes offer telehealth?
- Medicare's clinician data says James A. Barnes offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for James A. Barnes?
- (614) 898-8808, as listed in official Medicare / NPI Registry data.
- What is James A. Barnes's NPI number?
- 1235177007. 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 A. Barnes works
Medicare's Facility Affiliation Data lists James A. Barnes at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Diley Ridge Medical CenterCanal Winchester, OH · Acute Care Hospital · CCN 360358
- Mount Carmel East & WestColumbus, OH · Acute Care Hospital · CCN 360035
- Mount Carmel St Ann'sWesterville, OH · Acute Care Hospital · CCN 360012
- Ohio State University State Health SystemColumbus, OH · Acute Care Hospital · CCN 360085
- Riverside Methodist HospitalColumbus, OH · Acute Care Hospital · CCN 360006
Practice locations
Addresses where James A. Barnes is enrolled with Medicare (CMS data updated 2026-10-02).
- 477 Cooper Rd, Suite 300Westerville, OH 43081 (614) 898‑8808
- 55 N High StNew Albany, OH 43054 (614) 627‑1878
- 641 Hill Rd N, Suite APickerington, OH 43147 (614) 627‑1380
Group practices
Medicare enrollment lists James A. Barnes as a member of these groups (CMS data updated 2026-10-02).
- Mount Carmel Healthproviders Inc142 clinicians in the group
- Mount Carmel Health System84 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Westerville
Clinicians with the same Medicare primary specialty in Westerville, OH — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Ohio State University College Of Medicine |
| Graduation year | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1235177007 |
| 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