Jill Carnahan, MD

Jill Carnahan, MD, ABIHM, IFMCP, is a nationally recognized functional medicine physician, educator, author, and speaker specializing in the root-cause treatment of complex chronic illness. Founder and Medical Director of Flatiron Functional Medicine in Colorado, Dr. Carnahan is dual board-certified in Family Medicine and Integrative Holistic Medicine and was among the first physicians certified through the Institute for Functional Medicine. A survivor of breast cancer, Crohn’s disease, and toxic mold illness, she brings both clinical expertise and personal experience to her work, helping patients address underlying contributors to illness through personalized, integrative care. Dr. Carnahan is a sought-after media expert, podcast host, and international speaker known for her work in functional medicine, environmental toxicity, Lyme disease, gut health, and chronic inflammatory conditions.