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Doctor and Patient

Our Partners in Prevention

Working together to keep you healthy


Dr Roberta Van Zant

At Van Zant Medical Group, S.C., we have designed The Healthy Heart Program© in order to identify a patient’s risk long before he/she has symptoms so heart disease can be prevented or reversed. We use advanced screening such as: CIMT Testing, Advanced Lipid testing, Cardiac Genetic testing, advanced inflammatory and PULS testing, and oral bacteria DNA analysis. We also offer The Healthy Life Program© to support lifestyle changes that prevent cardiovascular disease. For more information, visit us at, email us at, or call (309) 621-9580.

Located in Morton Illinois and serving the greater Peoria area

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Dr Craig Backs

Have the Health You Need for the Life You Want.

Cure Your Chronic Disease. 

Located in Springfield Illinois and also serving Peoria and Bloomington/Normal


Dr William Epperly

Dr. Epperly is a board-certified family practitioner with more than 30 years of experience — including 15 in functional and integrative medicine. With a background in clinical nutrition, he works to treat a variety of issues including: allergies, hormone issues, chronic fatigue, and bowel problems.

Dr. Epperly graduated from the University of Illinois College of Medicine, and completed his family practice residency at St. Joseph Hospital in Chicago. He is affiliated with Central DuPage Hospital, although his practice is exclusively office based. He is a certified Clinical Nutritionist, a Fellow of the American Academy of Otolahryngic Allergy, a Fellow of the American Academy of Family Practice, a member of the Christian Medical and Dental Association, and belongs to the Obesity Medicine Association and North American Menopause Society.

Dr. Epperly has also received special training through courses and seminars in the areas of allergy, hormone therapy, and clinical nutrition. This has enabled him to become enormously more effective in dealing with chronic fatigue, fibromyalgia, menopause, arthritis, bowel problems, and many others, while being able to rely much less on drug therapy. As an evangelical Christian, Dr. Epperly believes that good health is a blessing from God, and we are to be good stewards of the bodies we’ve been given. He tries to encourage his patients to pay strong attention to their spiritual health, and enjoys praying with anyone who so wishes.

Dr. Epperly's care team also includes Betsy Jacob, FNP-BC; Roanne Dunaway PA-C; and Anjitha Thomas PA-C.

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