Kyle O’Brien, DO, ABFM, ABAARM, IFMCP

Kyle O’Brien, DO, ABFM, ABAARM, IFMCP, is the founder and lead physician at Essential Health Sarasota. He is dedicated to providing highly personalized primary care while helping patients optimize their health, prevent disease, extend their healthspan, and maintain vitality throughout every stage of life.

Dr. O’Brien earned his medical degree from the Lake Erie College of Osteopathic Medicine in Bradenton, Florida, and completed his Family Medicine residency through the Cleveland Clinic, where he received additional training in integrative and functional medicine. He is board certified in Family Medicine and Anti-Aging and Regenerative Medicine, has completed advanced training in longevity medicine through the American Academy of Anti-Aging Medicine, and is a certified functional medicine practitioner through the Institute for Functional Medicine.

His clinical interests include comprehensive primary care, longevity and preventive medicine, metabolic health, hormone optimization, gut health, regenerative medicine, fitness and performance, and functional medicine. He welcomes patients of all ages and enjoys partnering with them to create practical, personalized strategies that improve both current health and long-term quality of life.

Dr. O’Brien’s approach combines the best of modern medicine with evidence-based strategies involving nutrition, exercise, sleep, stress management, and other lifestyle factors that profoundly influence health. He believes patients deserve time, accessibility, thoughtful investigation, and a genuine partnership with their physician—not simply brief visits focused on managing symptoms.

Helping people achieve optimal health has been a lifelong passion for Dr. O’Brien. Before pursuing a career in medicine, he worked as a personal trainer, an experience that continues to shape his practical, results-oriented approach to patient care.

His philosophy can be summarized in three principles: Faith-Guided. Science-Based. Whole-Person Care. His faith informs the compassion, integrity, and sense of service he brings to medicine, while evidence-based care remains the foundation of every recommendation he makes.

Dr. O’Brien strives to “walk the walk” by making exercise, nutrition, recovery, and continual learning priorities in his own life. Outside the clinic, you can find him making memories with his wife and three children, spending time at the beach, and staying healthy in the gym.