MD, Board-certified in Obesity Medicine, and Longevity Specialist
Founder and Medical Director of Precision Medical Care, a private concierge practice founded in 2018.
Dr. Catherine Johnson is an Obesity and Emergency Medicine Board Certified Physician and Menopause Society Certified Practitioner
Upon her graduation from Loyola University Stritch School of Medicine in 2000, she completed her emergency medicine residency training and served as Chief Resident at the University of Chicago. She has over eighteen years of experience in academic emergency medicine as Associate Professor of Medicine at the University of Chicago and Associate Professor of Surgery at Loyola University Chicago.
Dr. Johnson has achieved advanced certifications from the Age Management Medicine Group and the Institute for Functional Medicine, complemented by advanced fellowship training in Precision Medicine.
With over 25 years of clinical experience, she brings a unique, integrative approach to precision and longevity medicine. She specializes in hormone optimization, metabolic health, and evidence-informed lifestyle interventions, helping men and women optimize their healthspan with vitality and resilience. Dr. Johnson is dedicated to guiding her patients toward renewed energy, purpose, and well-being, one precision-tailored plan at a time.
