Back to Find a Doctor Andrzej Zajac, DO Andrzej Zajac, DO Specialty: Family Medicine Hospital Privileges: Ascension St. John Hospital Medical Education: Michigan State University College of Osteopathic Medicine Board Certification: AOA Board of Family Physicians Profile: Dr. Zajac is a Family Practice doctor working at our Romeo Plank office. He is board certified in Family Medicine. He is a member of the American Osteopathic Association, Michigan Association of Osteopathic Physicians and Surgeons, American College of Family Practice, American College of Osteopathic Family Physicians, and DOCARE. He graduated from Michigan State University, College of Osteopathic Medicine and served a residency at Mt. Clemens General Hospital in 1997. Dr. Zajac also holds a Masters of Science in Physiology and a Masters of Arts in Secondary Education from Eastern Michigan University.Dr. Zajac offers treatment for osteopathic manipulaton therapy.