About
Brian McBreen, MD brings over 25 years of internal medicine experience to his Washington, DC practice. A diagnostician by nature, he chose primary care out of a deep commitment to whole-body health. He treats adults at every stage of life, managing conditions including diabetes, heart disease, high blood pressure, high cholesterol, lung disease, sleep disorders, and joint conditions.
Dr. McBreen grew up the son of Irish immigrants and earned his undergraduate degree at Fordham University. He then attended Georgetown University School of Medicine, completed his internship and residency in Internal Medicine at Georgetown University Hospital, and spent four more years working in Georgetown's community practice network. He views the doctor-patient relationship as a genuine partnership, one aimed at addressing both symptoms and their underlying causes. Outside medicine, Dr. McBreen is a husband, father, history enthusiast, sports fan, and five-time Ironman triathlete.
Education & Training
Medical School
Georgetown University School of Medicine
Residency
Internal Medicine, Georgetown University Hospital
Conditions Treated
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Frequently Asked Questions
Dr. McBreen treats a broad range of adult conditions. His clinical focus includes diabetes, heart disease, high blood pressure, high cholesterol, joint conditions, lung disease, respiratory illnesses, sleep disorders, and sinus infections. He also manages chronic illnesses over the long term.
Dr. McBreen takes a holistic view of health, centering each patient's overall well-being in every decision. He treats the doctor-patient relationship as a true partnership. Rather than addressing symptoms alone, he works to identify and resolve the root causes of health challenges.
Dr. McBreen earned his undergraduate degree at Fordham University and his medical degree at Georgetown University School of Medicine. He completed his internship and residency in Internal Medicine at Georgetown University Hospital. After residency, he spent four years in Georgetown's community practice network.
Dr. McBreen has practiced internal medicine for over 25 years. He has run his own private practice in the Washington, DC area for approximately two decades. Washingtonian Magazine and Consumers' Checkbook Magazine have both recognized him as a top doctor.
Appointments with Dr. McBreen average 37 minutes. Visit length runs between 30 and 45 minutes for most appointments. Physical exams can extend up to 90 minutes, giving patients ample time to discuss their health in depth.
Yes. Dr. McBreen makes himself available to members by phone or email 24 hours a day, seven days a week. This direct access is a core part of the Personalized Care Program.
Dr. McBreen's practice is currently full and not accepting new patients. Call (202) 895-0050.
Dr. McBreen specializes in Internal Medicine and Preventive Medicine. His clinical identity centers on diagnosis and whole-body health management for adult patients across all stages of life.
Doctor profile last updated March 26, 2026