About
Edward A. Tillitz II, DO is a board-certified osteopathic internist with over ten years of clinical experience in Columbia, SC. He earned his Bachelor of Arts in Zoology from Miami University in Oxford, Ohio, then completed his Doctorate of Osteopathic Medicine at Lake Erie College of Osteopathic Medicine in Bradenton, Florida in 2009. He completed both his internship and Internal Medicine residency at Doctors Hospital in Columbus, Ohio, earning the Prism Award for Excellence during his internship year. He holds certification through the American Osteopathic Board of Internal Medicine and holds membership in the American Osteopathic Association.
Dr. Tillitz treats adult conditions including hypertension, diabetes, and gut health disorders. He brings experience from major hospital settings in the Columbia area, where he managed acute phases of chronic illness. His clinical interests include functional medicine and gut health. He approaches care by trying natural and osteopathic methods first when appropriate, helping the body support its own healing. He served as a Peer Review and Credentialing Board Member at Lexington Medical Center from 2015 to 2017. Outside medicine, he values faith, family, and time spent outdoors.
Education & Training
Undergraduate
Miami University, Oxford, OH — Bachelor of Arts, Zoology 2003
Medical School
Lake Erie College of Osteopathic Medicine, Bradenton, FL — Doctorate of Osteopathic Medicine 2009
Residency
Internal Medicine, Doctors Hospital, Columbus, OH 2010-2012
Additional Training
Internship, Doctors Hospital, Columbus, OH 2009-2010
Certifications
Conditions Treated
Who is Dr. Tillitz right for?
Dr. Tillitz is a strong fit for adults managing chronic conditions like hypertension, high cholesterol, or type 2 diabetes. Patients who want a physician with both conventional internal medicine and functional medicine skills will find his dual approach valuable. He works well with those who prefer a more natural or osteopathic strategy before pursuing aggressive interventions. Adults seeking direct access to their physician, including after-hours phone availability and same- or next-day appointments, will appreciate his practice structure.
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Frequently Asked Questions
Dr. Tillitz specializes in adult internal medicine with a focus on hypertension, diabetes, and gut health disorders. He also brings expertise in functional medicine and manages a range of chronic conditions including high cholesterol. His background includes caring for patients in acute hospital settings throughout the Columbia area.
Yes. Dr. Tillitz holds certification through the American Osteopathic Board of Internal Medicine. He has practiced as a board-certified osteopathic internist for over a decade.
Dr. Tillitz combines conventional internal medicine with an osteopathic and functional medicine philosophy. He prefers to explore natural approaches first when clinically appropriate, supporting the body's ability to heal itself. He tailors each treatment plan to the individual patient and views the doctor-patient relationship as a genuine partnership.
Dr. Tillitz earned his Doctorate of Osteopathic Medicine from Lake Erie College of Osteopathic Medicine in Bradenton, Florida in 2009. He completed his internship and Internal Medicine residency at Doctors Hospital in Columbus, Ohio, finishing his residency in 2012.
Dr. Tillitz is passionate about functional medicine and gut health. He believes in addressing root causes and helping the body heal through natural means when possible. This interest connects directly to his osteopathic training and philosophy of individualized care.
Yes. Every office visit is with Dr. Tillitz directly. The practice does not route patients to nurse practitioners or physician assistants in place of the doctor.
Yes. Dr. Tillitz is reachable by phone after hours and on weekends. This direct access is a core feature of his MDVIP-affiliated practice.
Yes. Dr. Tillitz holds affiliations with the Medical University of South Carolina in Charleston, Florence, and Marion. He has also worked in major hospitals in the Columbia area managing patients through acute phases of chronic illness.
Doctor profile last updated April 4, 2026