About
Dr. Mark Medeiros has practiced family medicine in Scottsdale, Arizona for more than 35 years. He earned his Bachelor of Science in Biology from Arizona State University in 1982, graduating Summa Cum Laude. He then completed a Master of Science in Exercise Physiology at Arizona State University before pursuing medicine. He earned his Doctorate of Medicine Cum Laude from St. Louis School of Medicine in 1988.
Dr. Medeiros completed both his internship and residency at the Scottsdale Memorial Family Medicine Residency Program, finishing in 1991. He holds board certification as a Diplomate of the American Board of Family Medicine and maintains a staff position at HonorHealth Scottsdale Shea Medical Center. He also serves as clinical faculty at the HonorHealth Family Medicine Residency Program, teaching the next generation of family physicians. His clinical focus includes hypertension, heart disease, diabetes, and exercise and nutrition. He reads daily to stay current with advances in medical care. Phoenix Magazine has recognized him as a Top Doctor multiple times, including in 2007, 2010, 2013, and 2017.
Education & Training
Undergraduate
Arizona State University, B.S. Biology, 1982, Summa Cum Laude
Medical School
St. Louis School of Medicine, Doctorate of Medicine, 1988, Cum Laude
Residency
Family Medicine, Scottsdale Memorial Family Medicine Residency Program, 1989-1991
Additional Training
Arizona State University, M.S. Exercise Physiology, 1984; Internship: Scottsdale Memorial Family Medicine Residency Program, 1988-1989
Certifications
Conditions Treated
Who is Dr. Medeiros right for?
Dr. Medeiros is a strong fit for adults seeking a long-term primary care partner in the Scottsdale or greater Phoenix area. Patients managing hypertension, heart disease, or diabetes benefit directly from his focused clinical expertise. His background in exercise physiology makes him especially well-suited for patients who want nutrition and fitness integrated into their care plans. Patients who value a collaborative approach, where their own goals shape the treatment plan, will find his philosophy a natural match.
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Frequently Asked Questions
Dr. Medeiros focuses on hypertension, heart disease, and diabetes as his primary clinical interests. He also integrates exercise and nutrition counseling into his care plans. His Master of Science in Exercise Physiology gives him a distinct foundation for guiding patients on lifestyle-based health improvements.
Dr. Medeiros treats medicine as a collaboration between doctor and patient. He uses evidence-based medicine as a starting point, then applies over 35 years of professional judgment to tailor a plan around each patient's individual lifestyle and goals. He works with patients to reach a mutually agreed-upon course of action.
Yes. Dr. Medeiros holds board certification as a Diplomate of the American Board of Family Medicine. He has maintained this certification throughout his more than 35-year career in family medicine.
Dr. Medeiros earned his medical degree Cum Laude from St. Louis School of Medicine in 1988. He completed both his internship and his family medicine residency at the Scottsdale Memorial Family Medicine Residency Program, finishing in 1991. He also holds a Master of Science in Exercise Physiology from Arizona State University.
Yes. Dr. Medeiros serves as clinical faculty at the HonorHealth Family Medicine Residency Program, where he teaches family medicine residents. He has held this role since 2000. He also maintains a staff position at HonorHealth Scottsdale Shea Medical Center.
Phoenix Magazine named Dr. Medeiros a Top Doctor in 2007, 2010, 2013, and 2017. He is also a Fellow of the American Academy of Family Physicians and a member of the Phi Beta Kappa Honor Society, which recognized his undergraduate academic achievement.
Exercise and nutrition are formal clinical interests for Dr. Medeiros. His graduate training in exercise physiology at Arizona State University supports this focus. He incorporates lifestyle guidance directly into his care plans, helping patients address preventive and chronic health goals through practical behavioral strategies.
Yes. Dr. Medeiros reads daily about the latest advances in medical care. He combines this ongoing learning with more than 35 years of clinical experience to guide his patients using up-to-date, evidence-based approaches.
Doctor profile last updated June 6, 2026
