Dr. Erinn HarrisMD, IFMCP
Internal Medicine
at Harris Internal & Functional Medicine — Peachtree City, GA
About
Erinn Harris, MD, IFMCP is the Founder and Medical Director of Harris Internal & Functional Medicine in Peachtree City, GA. She earned her BA in Biology from Earlham College and her MD from Indiana University School of Medicine. She completed her internal medicine residency at Emory University and pursued functional medicine training through the Institute of Functional Medicine, where she earned the IFMCP designation. She holds board certification in internal medicine.
Dr. Harris's deep interest in autoimmune disease grows directly from her own experience. She developed vitiligo during her college years and watched the condition intensify through the demands of medical school and residency. That personal journey shaped her commitment to understanding the root causes of immune dysfunction. Today she focuses her clinical work on autoimmune diseases, digestive disorders, thyroid imbalances, diabetes and prediabetes, gluten sensitivity, hormonal health, and chronic fatigue. She applies a systems-biology framework, using advanced lab testing to build personalized treatment plans for each patient. Outside the practice, she enjoys cooking, baking, and spending time with her family.
Education & Training
Undergraduate
BA in Biology, Earlham College
Medical School
MD, Indiana University School of Medicine
Residency
Internal Medicine, Emory University
Additional Training
Functional Medicine training, Institute for Functional Medicine (IFMCP)
Certifications
Conditions Treated
Who is Dr. Harris right for?
Dr. Harris is a strong fit for adults dealing with chronic, unresolved conditions. Patients with autoimmune disease, thyroid imbalances, digestive disorders, or chronic fatigue benefit most from her root-cause approach. She also serves patients managing diabetes, prediabetes, gluten sensitivity, and hormonal health concerns. Those who want a personalized treatment plan built on advanced diagnostics will find her approach especially effective.
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Frequently Asked Questions
Dr. Harris focuses on autoimmune diseases, thyroid imbalances, digestive disorders, diabetes and prediabetes, gluten sensitivity, hormonal health, and chronic fatigue. She applies a systems-biology framework to identify root causes rather than managing symptoms alone. Advanced lab testing guides each personalized treatment plan.
Yes. Dr. Harris holds board certification in internal medicine. She also earned the Institute for Functional Medicine Certified Practitioner designation, known as the IFMCP. These credentials reflect her training in both conventional and functional medicine.
Dr. Harris earned her MD from Indiana University School of Medicine. She completed her internal medicine residency at Emory University. She pursued additional functional medicine training through the Institute for Functional Medicine.
Dr. Harris developed vitiligo during her college years. She watched the condition worsen through medical school and residency. That personal experience shaped her drive to understand the root causes of immune dysfunction and led her to build a practice centered on that work.
Dr. Harris practices both. She brings board-certified expertise in internal medicine alongside the root-cause orientation of functional medicine. She uses advanced lab testing and a systems-biology lens to build treatment plans that address the whole patient.
Dr. Harris offers an extensive wellness menu through the Wellness by Dr. Harris brand. Services include IV hydration therapy, SoftWave therapy for joints and erectile dysfunction, RF microneedling, exosome injections for hair restoration, and TempSure and FlexSure skin tightening. She also leads monthly wellness webinars and a 10-week Wellness Foundations Course.
Yes. Dr. Harris incorporates nutritional counseling, elimination diet guidance, and lifestyle medicine into her clinical work. She also offers one-on-one health coaching for patients who want structured support outside of standard visits.
Yes. Dr. Harris offers telemedicine visits for appropriate care needs. Prospective patients can also book a free discovery consult by phone or video with a patient coordinator before joining the practice.
Doctor profile last updated March 21, 2026