Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Mark J Brennan, MD

Individual provider Neuromuscular Medicine (Physical Medicine & Rehabilitation) Physician · NPI 1225001746

Dr. Mark J Brennan, MD is a Physical Medicine and Rehabilitation in Clinton Township, Michigan. Graduated from Wayne State University School of Medicine in 1984, 42 years ago. Practices with Associates in Family Practice PLLC, an 8-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
42
Trained at
Wayne State University School of Medicine
Licensed in
MI
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

43650 Garfield Rd
Clinton Township, MI 48038-7419
Phone: (586) 263-0820
Fax: (586) 263-3819
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 7001 Orchard Lake Rd Ste 220, West Bloomfield, MI 48322-3606 — (248) 862-2301

Specialties & licences

Neuromuscular Medicine (Physical Medicine & Rehabilitation) Physician (primary) Taxonomy 2081N0008X · Licence 4301405324 (MI)

Record details

NPI number1225001746
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 8, 2006
Last updated in NPPESMarch 4, 2019
Mailing address43650 Garfield Rd, Clinton Township, MI 48038-7419

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPHYSICAL MEDICINE AND REHABILITATION
Medical schoolWAYNE STATE UNIVERSITY SCHOOL OF MEDICINE
Graduated 1984 (42 years in practice)
Group practice Associates In Family Practice Pllc — 8 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare