4.1
55 Ratings with 6 written Reviews
Summary
Dr. Michael Brennan is a board-certified osteopathic physician specializing in endocrinology, diabetes and metabolism, with additional expertise in internal medicine, adolescent medicine, and pediatrics. He earned his medical degree from Michigan State University College of Osteopathic Medicine and brings 20 years of clinical experience to his practice. His comprehensive training allows him to treat both adult and pediatric patients with complex metabolic conditions. Dr. Brennan speaks English fluently.
Dr. Brennan practices at multiple Corewell Health locations throughout Michigan, including facilities in Royal Oak, Southfield, Troy, and Farmington Hills. He focuses on managing type 2 diabetes in both adults and young patients, as well as treating high cholesterol in children and teenagers. His diagnostic approach includes comprehensive blood work such as complete blood counts and creatinine clearance tests to monitor patient health. Patients have rated Dr. Brennan 4.1 out of 5 stars …on average for his care.
Read More Read less Dr. Brennan practices at multiple Corewell Health locations throughout Michigan, including facilities in Royal Oak, Southfield, Troy, and Farmington Hills. He focuses on managing type 2 diabetes in both adults and young patients, as well as treating high cholesterol in children and teenagers. His diagnostic approach includes comprehensive blood work such as complete blood counts and creatinine clearance tests to monitor patient health. Patients have rated Dr. Brennan 4.1 out of 5 stars …on average for his care.
Overview based on verified provider data
Quick Facts
- 20 years of experience
- speaks English
- Michigan State University College Of Osteopathic Medicine
- 6 written reviews
- 4 specialties
- 16 areas of expertise
- 4 board certifications
- 5 hospital affiliations
- 4 office locations
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Locations
Dr. Michael Roger Brennan has 4 locationsCorewell Health William Beaumont University Hospital
3601 W 13 Mile RdRoyal Oak, MI 48073 Tel: (248) 898-5000
Corewell Health Farmington Hills Hospital
28050 Grand River AveFarmington Hills, MI 48336 Tel: (248) 471-8000
Compare with Similar Doctors
 |  |  | |
| Dr. Michael Roger Brennan, DO | Dr. Virginia Delaney-Black, MD | Dr. Sook Ja Rhim, MD | Dr. Michael David Singer, MD |
| Endocrinology, Diabetes & Metabolism | Neonatology | Pediatrics | Anesthesiology |
| 20 Years of Experience | 53 Years of Experience | 46 Years of Experience | |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | |||
| Royal Oak , MI | Detroit , MI | Detroit , MI | Sterling Heights , MI |
| Med School: Michigan State University College Of Osteopathic Medicine | Med School: Geisel School Of Medicine At Dartmouth | Med School: Wayne State University School Of Medicine | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Michael Roger Brennan
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Michael Roger Brennan has the following 4 specialties
Specialty Expertise
Dr. Michael Roger Brennan has the following 16 areas of expertise
Certifications, License, & Education
20 Years Experience
Dr. Michael Roger Brennan holds an expired medical license in the state of Michigan.
Medical License
Doctor Of Osteopathy with an expired medical license in the state of Michigan that expired in 2026.
Education & Training
Medical School
Graduated from Michigan State University College Of Osteopathic Medicine in 2006.
NPI Number
Dr. Brennan's NPI number is 1689889388.
Similar doctors
Frequently Asked Questions
- Does Dr. Michael Brennan accept virtual/telehealth appointments?
- Dr. Michael Brennan has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Where is Dr. Michael Brennan's office located?
- Dr. Michael Brennan's office is located at 3601 W 13 Mile Rd, Royal Oak, MI, 48073.
- Is Dr. Michael Brennan accepting new patients?
- Dr. Michael Brennan has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- What languages does Dr. Michael Brennan speak?
- Dr. Michael Brennan speaks English.
- Which hospitals is Dr. Michael Brennan affiliated with?
- Dr. Michael Brennan is affiliated with Corewell Health Farmington Hills Hospital, Corewell Health Beaumont Grosse Pointe Hospital, Corewell Health William Beaumont University Hospital, Beaumont Hospital Troy, and Corewell Health William Beaumont University Hospital.
Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews
Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.
Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.
Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.
