About
Dr. Michael Tremblay, MD, has practiced family medicine in Holbrook, Massachusetts since 1990. His path to medicine was unconventional. He grew up in upstate New York and originally studied physical education. After running a pizza restaurant in Jackson Hole, Wyoming, where he met his wife, he enrolled in physical therapy coursework. Taking the same classes as medical students, he applied and earned acceptance to medical school in Biddeford, Maine. He completed his family practice residency in Kingston, New York.
Before settling in Massachusetts, Dr. Tremblay ran a private practice in Arkansas for four years. He simultaneously served as emergency department director, fulfilling his Public Health Scholarship obligation. He holds a strong clinical passion for metabolic health, intermittent and extended fasting, ketogenic and low-carb nutrition, and integrative medicine. He performs osteopathic manipulative treatment and has trained in PRP and stem cell joint injections, using in-office diagnostic ultrasound to guide procedures. Dr. Tremblay serves as a USCIS-designated Civil Surgeon for immigration physical exams. org. Outside medicine, he tends barns and a greenhouse, practices woodworking, and cooks. He has been married for over 40 years and has four children. His son Max joined the practice in 2017, bringing an IT background to support daily operations. Patients reach Dr. Tremblay directly by personal cell phone or email.
Education & Training
Medical School
Medical school in Biddeford, Maine
Residency
Family practice residency in Kingston, New York
Conditions Treated
Who is Dr. Tremblay right for?
Dr. Tremblay is a strong fit for patients who want a long-tenured family medicine physician with a broad clinical range. Adults managing metabolic conditions, weight, or chronic illness benefit from his focus on nutrition and functional medicine. Patients seeking regenerative options like PRP or stem cell injections will find his in-office ultrasound guidance valuable. He also serves families, children, and homebound individuals through house calls. Anyone needing an immigration physical exam with a USCIS-designated Civil Surgeon can schedule with him directly.
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Frequently Asked Questions
Dr. Tremblay treats a wide range of conditions across family medicine. His clinical focus includes metabolic disorders, chronic illness management, and musculoskeletal conditions. He also manages acute injuries and illnesses and performs minor surgical procedures.
Yes, Dr. Tremblay performs PRP and stem cell joint injections in the office. He uses in-office diagnostic ultrasound to guide these procedures precisely. He trained specifically in these therapies to expand his regenerative medicine offerings.
O. degree and has practiced family medicine continuously since 1990. He completed his family practice residency in Kingston, New York.
Dr. Tremblay is passionate about metabolic health, ketogenic and low-carb nutrition, and intermittent and extended fasting. He incorporates these approaches into chronic disease management and wellness planning. His integrative and functional medicine training informs how he addresses root causes alongside conventional treatment.
Yes, Dr. Tremblay serves as a USCIS-designated Civil Surgeon. He performs the Form I-693 immigration physical exam required for green card applicants.
Yes, Dr. Tremblay performs osteopathic manipulative treatment as part of his care. O. training integrates hands-on musculoskeletal techniques with his broader clinical practice.
Patients reach Dr. Tremblay directly by personal cell phone or email. This direct access is a core feature of his direct primary care model.
Yes, Dr. Tremblay sees patients from newborns through older adults, including homebound individuals. His practice covers the full spectrum of family medicine across all age groups.
Doctor profile last updated March 21, 2026