About
Dr. Mark A. Stefaniuk co-founded Pioneer Concierge Medicine in 2022 alongside Dr. Pithadia. He brings nearly 15 years of family medicine experience in the northwest suburbs of Chicago. Before that, he spent nine years as an Emergency Room physician in downtown Chicago. That broad clinical background sharpens his ability to manage both acute and chronic conditions.
Dr. Stefaniuk earned his BS in Kinesiology from the University of Michigan and his MD from Saba University School of Medicine in the Netherlands-Antilles. He completed his Family Medicine residency at Duke University Medical Center in Durham, NC, earning several teaching and leadership awards. He emphasizes physical and emotional wellness and the prevention of chronic illness. Born and raised in a Ukrainian community in suburban Detroit, he carries strong values of family and community into his practice. Outside medicine, he enjoys time with his wife Tunia, six children, and two dogs, and stays active as a lifelong sports enthusiast.
Education & Training
Undergraduate
BS in Kinesiology, University of Michigan
Medical School
MD, Saba University School of Medicine, Netherlands-Antilles
Residency
Family Medicine Residency, Duke University Medical Center, Durham, NC
Conditions Treated
Who is Dr. Stefaniuk right for?
Dr. Stefaniuk is a strong fit for patients who want a physician comfortable managing both everyday and complex health concerns. His emergency medicine background makes him especially effective with patients who face acute issues alongside chronic conditions. Families across all age groups benefit from his whole-family approach to care. Patients who value a physician with deep community roots and a focus on both physical and emotional wellness will connect well with his style.
Similar Doctors Nearby
Dr. Benedict CiszekMD
hypertension, hyperlipidemia, diabetes +4 more
Dr. Evangelos BiscotakisMD, DABOM
diabetes, hypertension, obesity +1 more
Dr. Anish PithadiaMD
hypertension, hyperlipidemia, diabetes +2 more
Frequently Asked Questions
Dr. Stefaniuk holds a BS in Kinesiology from the University of Michigan and an MD from Saba University School of Medicine. He completed his Family Medicine residency at Duke University Medical Center, where he earned several teaching and leadership awards. Before focusing on family medicine, he spent nine years practicing emergency medicine in downtown Chicago.
Dr. Stefaniuk brings nearly 15 years of family medicine experience in the northwest suburbs of Chicago. Before that, he practiced for nine years as an Emergency Room physician in downtown Chicago, giving him a broad clinical foundation.
Dr. Stefaniuk treats a wide range of conditions across all age groups, including hypertension, diabetes, hyperlipidemia, and obesity. He also manages sports medicine concerns and oversees preventive care, cancer screenings, and pre-operative evaluations. His emergency medicine background strengthens his ability to handle acute illness as well.
Yes, Dr. Stefaniuk treats the whole family, from children to seniors. His family medicine training and years of experience allow him to care for patients across every stage of life.
Dr. Stefaniuk emphasizes physical and emotional wellness alongside the prevention of chronic illness. He takes a comprehensive view of health, drawing on his background in both emergency and family medicine to address the full picture of a patient's wellbeing.
Yes, Dr. Stefaniuk is a board-certified Family Medicine physician. He completed his residency training at Duke University Medical Center in Durham, NC.
Yes. As a member of Pioneer Concierge Medicine, you can reach Dr. Stefaniuk by phone, secure text, or video chat around the clock. The practice provides 24/7 physician access to all members.
Doctor profile last updated March 21, 2026