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 has been practicing for 20 years. Dr. Brennan speaks English fluently.
Dr. Brennan is affiliated with several Corewell Health facilities, including locations in Royal Oak, Southfield, Troy, and Farmington Hills, Michigan. He focuses on treating Type 2 diabetes in both adults and young patients, as well as managing high cholesterol in children and teens. His practice includes performing diagnostic blood work such as complete blood counts and creatinine tests to monitor patient health. Patients have given him an average rating of 4.1 out of 5 on Vitals.
Dr. Brennan is affiliated with several Corewell Health facilities, including locations in Royal Oak, Southfield, Troy, and Farmington Hills, Michigan. He focuses on treating Type 2 diabetes in both adults and young patients, as well as managing high cholesterol in children and teens. His practice includes performing diagnostic blood work such as complete blood counts and creatinine tests to monitor patient health. Patients have given him an average rating of 4.1 out of 5 on Vitals.
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. Dennis Casimer Packey, DO | Dr. Prem V Khilanani, MD | Dr. Norman Markowitz, MD |
| Endocrinology, Diabetes & Metabolism | Internal Medicine | Oncology | Internal Medicine |
| Accepts New Patients | Accepts New Patients | ||
| 20 Years of Experience | 54 Years of Experience | 39 Years of Experience | |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | Speaks English | Speaks Arabic, English | Speaks English, Spanish |
| Royal Oak , MI | Southfield , MI | Troy , MI | Commerce Township , MI |
| Med School: Michigan State University College Of Osteopathic Medicine | Med School: Kansas City University Of Medicine & Bioscience College Of Osteopathic Med | 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.
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Frequently Asked Questions
- How can I make an appointment with Dr. Michael Brennan?
- You can find contact information for Dr. Michael Brennan here on Vitals.
- What languages does Dr. Michael Brennan speak?
- Dr. Michael Brennan speaks English.
- Does Dr. Michael Brennan accept my insurance?
- You can see the insurance plans that Dr. Michael Brennan accepts on their Vitals profile.
- 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.
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