About
Dr. Michael Brown graduated from Midwestern University's Arizona College of Osteopathic Medicine in Glendale and completed his Family Medicine residency at John C. Lincoln and Kingman Regional Hospitals in Arizona. The American Board of Family Medicine board-certifies him, and he holds licensure with the Arizona Board of Osteopathic Examiners. Before medical school, he built a career first as a respiratory therapist and then as a pharmaceutical sales representative, giving him clinical and industry perspective that informs his patient care today.
Dr. Brown joined Pinnacle Family Medicine in 2016. Originally from the Midwest, he has called the Phoenix Valley home since 1999, where he lives with his wife, Dr. Ann Marie Sun, and their two sons. Outside the clinic, he competes as an accomplished triathlete with more than 100 triathlon finishes, including seven Ironman-distance races. He applies his faith actively to his professional and personal life and belongs to the Arizona Academy of Family Physicians, the American Academy of Family Physicians, and the Christian Medical and Dental Association.
Education & Training
Medical School
Midwestern University's Arizona College of Osteopathic Medicine, Glendale, AZ
Residency
Family Medicine, John C. Lincoln and Kingman Regional Hospitals, Arizona
Additional Training
Previous career as respiratory therapist and pharmaceutical sales representative
Certifications
Who is Dr. Brown right for?
Dr. Brown is a strong fit for patients who appreciate a physician with hands-on clinical experience before and beyond medical school. His background in respiratory therapy gives him practical insight into pulmonary and chronic disease management. Active adults and athletes connect well with his personal commitment to fitness and endurance sports. Patients who value a faith-informed, whole-person approach will find his philosophy aligned with their own.
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Frequently Asked Questions
Dr. Brown treats the full scope of family medicine, including acute illness, chronic disease management, preventive care, and pediatric wellness. His respiratory therapy background gives him added depth when caring for patients with breathing or pulmonary-related concerns.
Yes, the American Board of Family Medicine board-certifies Dr. Brown. He also holds licensure with the Arizona Board of Osteopathic Examiners based on his osteopathic training and degree.
Dr. Brown earned his osteopathic medical degree from Midwestern University's Arizona College of Osteopathic Medicine in Glendale. He completed his residency at John C. Lincoln and Kingman Regional Hospitals in Arizona.
Yes, Dr. Brown worked as a respiratory therapist and later as a pharmaceutical sales representative before attending medical school. Those experiences give him a practical, multi-layered understanding of patient care and the healthcare system.
Yes, Dr. Brown trained in both pediatric and adult medicine. He sees patients across all age groups at Pinnacle Family Medicine, including infants, children, and adults.
Dr. Brown integrates his faith and personal values into his clinical work. He focuses on whole-person care and builds relationships with patients over time rather than treating isolated symptoms.
Dr. Brown is personally passionate about endurance athletics, having completed more than 100 triathlons including seven Ironman-distance events. He brings that perspective to patients interested in fitness, sports physicals, and musculoskeletal health.
Doctor profile last updated June 11, 2026