Quick answers
- Where does John A. Carr see patients?
- Medicare's clinician data lists 2 practice locations, including Grand Blanc, MI. Call before your visit to confirm the address.
- What is John A. Carr's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does John A. Carr accept Medicare assignment?
- Yes. Medicare's clinician data says John A. Carr 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 John A. Carr?
- (810) 606-7550, as listed in official Medicare / NPI Registry data.
- What is John A. Carr's NPI number?
- 1861886665. 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 John A. Carr is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Genesys PkwyGrand Blanc, MI 48439
- 3399 Pollock Rd, Suite AGrand Blanc, MI 48439 (810) 606‑7550
Group practices
Medicare enrollment lists John A. Carr as a member of this group (CMS data updated 2026-10-02).
- Genesys Practice Partners Inc37 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Grand Blanc
Clinicians with the same Medicare primary specialty in Grand Blanc, MI — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | At Still University Of Health Sciences, College Of Osteo Med, Kirksville |
| Graduation year | 2015 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1861886665 |
| 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