Dr. James MikolajczakDO

at 4 Pillars Medicine — Tucson, AZ

About

Dr. James Mikolajczak is a board-certified family medicine physician and the founder of 4 Pillars Medicine, a concierge and functional medicine practice focused on personalized, relationship-based care. With a passion for preventive medicine and whole-person wellness, Dr. Mikolajczak helps patients optimize their health through a comprehensive approach that addresses lifestyle, nutrition, metabolic health, and long-term disease prevention.

After earning his medical degree from the Arizona College of Osteopathic Medicine at Midwestern University, Dr. Mikolajczak completed his residency training in family medicine and developed a clinical philosophy centered on identifying and addressing the root causes of illness rather than simply treating symptoms. His osteopathic training emphasizes a holistic view of health, considering the interconnectedness of the body, mind, and environment.

Prior to founding 4 Pillars Medicine, Dr. Mikolajczak served in the United States Air Force, where he practiced as a Flight Surgeon and later served as Chief of Aerospace Medicine. His military experience caring for aviators and service members helped shape his preventive, performance-focused approach to medicine and reinforced his commitment to helping patients achieve optimal long-term health.

Dr. Mikolajczak is dedicated to building lasting relationships with his patients and empowering them to take an active role in their health journey.

Education & Training

Undergraduate

University of Oklahoma

Medical School

Arizona College of Osteopathic Medicine

Certifications

Board Certified in Family Medicine

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Doctor profile last updated June 8, 2026