Quick answers
- Which hospitals does Jamar G. Williams work at?
- Medicare's official clinician data lists Jamar G. Williams at 2 hospitals: Mount Carmel East & West and Riverside Methodist Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jamar G. Williams see patients?
- Medicare's clinician data lists 6 practice locations, including Columbus, OH, Westerville, OH and Reynoldsburg, OH. Call before your visit to confirm the address.
- What is Jamar G. Williams's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Jamar G. Williams accept Medicare assignment?
- Yes. Medicare's clinician data says Jamar G. Williams 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 Jamar G. Williams?
- (614) 473-1300, as listed in official Medicare / NPI Registry data.
- What is Jamar G. Williams's NPI number?
- 1477537371. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jamar G. Williams works
Medicare's Facility Affiliation Data lists Jamar G. Williams at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mount Carmel East & WestColumbus, OH · Acute Care Hospital · CCN 360035
- Riverside Methodist HospitalColumbus, OH · Acute Care Hospital · CCN 360006
Practice locations
Addresses where Jamar G. Williams is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 2489 Stelzer Rd, Suite 101Columbus, OH 43219 (614) 473‑1300
- 460 Polaris Pkwy, Suite 200Westerville, OH 43082 (614) 865‑3125
- 4885 Olentangy River RdColumbus, OH 43214 (614) 326‑5665
- 625 Africa RdWesterville, OH 43082
- 655 Africa RdWesterville, OH 43082
Group practices
Medicare enrollment lists Jamar G. Williams as a member of this group (CMS data updated 2026-10-02).
- Central Ohio Primary Care Physicians, Inc.488 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Columbus
Clinicians with the same Medicare primary specialty in Columbus, OH — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Wright State University Boonshoft School Of Medicine |
| Graduation year | 1988 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1477537371 |
| 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