About
Casey Kelley, MD, ABoIM is the founder and medical director of Case Integrative Health. She earned her medical degree from The Ohio State University College of Medicine. Dr. Kelley holds board certification in both Family Medicine and Integrative Medicine. She was among the first physicians in the country to achieve ABoIM board certification in Integrative Medicine. She also serves as a fellow of the American Academy of Ozonotherapy and completed the inaugural class of ILADS fellows.
Dr. Kelley has been a member of the Institute for Functional Medicine for over 15 years. She teaches the next generation of physicians at Northwestern University's Feinberg School of Medicine. Nationally recognized for her expertise in Lyme disease and complex chronic conditions, she lectures across the country. She previously served as Treasurer for the International Lyme and Associated Diseases Society. Media outlets including Fox32 Chicago, People Magazine, Glamour, Allure, and Women's Health Magazine have featured her work. Dr. Kelley holds that mental health challenges most often reflect underlying systemic inflammation, infections, toxins, or nutritional deficiencies.
Education & Training
Medical School
The Ohio State University College of Medicine
Fellowship
ILADS Fellowship (inaugural class)
Additional Training
Fellow of the American Academy of Ozonotherapy; Member of the Institute for Functional Medicine (15+ years); Faculty, Northwestern University Feinberg School of Medicine
Certifications
Conditions Treated
Who is Dr. Kelley right for?
Dr. Kelley is a strong fit for patients with complex, long-unresolved chronic conditions. Those managing Lyme disease, autoimmune disorders, or chronic infections benefit from her deep clinical expertise. Patients who suspect mental health symptoms may have systemic roots find her perspective valuable. She also works well with patients seeking a physician who bridges conventional diagnostics and integrative therapies.
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Frequently Asked Questions
Dr. Kelley specializes in Lyme disease, chronic infections, autoimmune conditions, and complex chronic illness. She also treats hormonal imbalances, cardio-metabolic dysfunction, environmental toxicity, and gut health issues. Her practice integrates conventional diagnostics with functional and integrative approaches to identify root causes.
Yes. Dr. Kelley holds board certification in both Family Medicine and Integrative Medicine. She was among the first physicians in the country to earn ABoIM board certification in Integrative Medicine.
Dr. Kelley completed the inaugural class of ILADS fellows, a program focused on Lyme and associated diseases. She previously served as Treasurer for the International Lyme and Associated Diseases Society. She lectures nationally on Lyme disease and complex chronic conditions.
Yes. Dr. Kelley teaches at Northwestern University's Feinberg School of Medicine, helping train the next generation of physicians. She also lectures at conferences across the country on integrative medicine and chronic infections.
Dr. Kelley holds that mental health challenges most often reflect underlying systemic inflammation, infections, toxins, or nutritional deficiencies. She evaluates these root causes before recommending treatment. This approach connects mental health care to the body's broader physiological picture.
Yes. Fox32 Chicago, People Magazine, Glamour, Allure, and Women's Health Magazine have all featured Dr. Kelley's work. This coverage reflects her national reputation in integrative and Lyme disease medicine.
Dr. Kelley has been a member of the Institute for Functional Medicine for over 15 years. That long-standing engagement reflects her deep commitment to functional medicine as a core part of her clinical practice.
Dr. Kelley serves as a Fellow of the American Academy of Ozonotherapy. This credential reflects advanced training in ozone-based therapies, which she incorporates into her integrative treatment protocols.
Doctor profile last updated March 21, 2026