Quick answers
- Where does Mark J. Brennan see patients?
- Medicare's clinician data lists 2 practice locations, including Sterling Heights, MI and Clinton Township, MI. Call before your visit to confirm the address.
- What is Mark J. Brennan's specialty?
- Medicare lists Physical Medicine and Rehabilitation as the primary specialty.
- Does Mark J. Brennan accept Medicare assignment?
- Yes. Medicare's clinician data says Mark J. Brennan 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 Mark J. Brennan?
- (586) 323-0400, as listed in official Medicare / NPI Registry data.
- What is Mark J. Brennan's NPI number?
- 1225001746. 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 Mark J. Brennan is enrolled with Medicare (CMS data updated 2026-10-02).
- 42755 Mound RdSterling Heights, MI 48314 (586) 323‑0400
- 43650 Garfield RdClinton Township, MI 48038 (586) 263‑0820
Group practices
Medicare enrollment lists Mark J. Brennan as a member of this group (CMS data updated 2026-10-02).
- Associates in Family Practice PLLC7 clinicians in the group
Specialties
Find other Physical Medicine and Rehabilitation doctors in Michigan →
Other rehabilitation doctors in Michigan
Clinicians with the same Medicare primary specialty in Michigan — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Wayne State University School Of Medicine |
| Graduation year | 1984 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1225001746 |
| 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