Quick answers
- Where does Michael R. Grever see patients?
- Medicare's clinician data lists 2 practice locations, including Columbus, OH and Dublin, OH. Call before your visit to confirm the address.
- What is Michael R. Grever's specialty?
- Medicare lists Hematology as the primary specialty, and also Internal Medicine.
- Does Michael R. Grever accept Medicare assignment?
- Yes. Medicare's clinician data says Michael R. Grever 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 Michael R. Grever?
- (614) 293-1707, as listed in official Medicare / NPI Registry data.
- What is Michael R. Grever's NPI number?
- 1215942735. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Michael R. Grever is enrolled with Medicare (CMS data updated 2026-10-02).
- 2121 Kenny Rd, Suite 6aColumbus, OH 43210 (614) 293‑1707
- 3900 Stoneridge LnDublin, OH 43017 (614) 366‑5001
Group practices
Medicare enrollment lists Michael R. Grever as a member of this group (CMS data updated 2026-10-02).
- OSU Internal Medicine LLC1,161 clinicians in the group
Specialties
- Hematologyprimary
- Internal Medicinealso
Other hematologists in Columbus
Clinicians with the same Medicare primary specialty in Columbus, OH — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Pittsburgh School Of Medicine |
| Graduation year | 1971 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1215942735 |
| 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
- 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