Dr. Derek Heldzinger, MD, is a board-certified family medicine and lifestyle medicine physician serving patients at Dalton Primary Care.

Dr. Heldzinger is from Bellville, Cape Province, South Africa. He earned his M.B. Ch.B. from the University of Stellenbosch Medical School. He completed his residency training at Tygerberg Hospital in Cape Town, South Africa, and Pasqua Hospital in Regina, Saskatchewan, Canada. He holds dual board certification through the Canadian College of Family Practice (CCFP) and the American College of Lifestyle Medicine (ACLM), reflecting his extensive international training and his commitment to a preventive, holistic approach to healthcare.

Dr. Heldzinger offers complete primary care services. He provides mental health services, addressing anxiety, depression, and stress-related disorders, as well as personalized weight management programs grounded in lifestyle medicine principles. Dr. Heldzinger performs minor procedures including incision and drainage, laceration suturing, and Pap smears. He provides care for children, adolescents, adults, and seniors, with a focus on preventive medicine and sustainable lifestyle changes that promote long-term wellness. Dr. Heldzinger is fluent in Afrikaans.

Outside of medicine, Dr. Heldzinger is an active outdoorsman who enjoys hiking, mountain biking, and tennis. He is passionate about health, fitness, and exercise, living the lifestyle medicine principles he advocates for his patients. He also has a deep love for gospel music and treasures spending time with his wife and adult children.