About Us - David J. DeMarco MD

Meet Dr. DeMarco

David J. DeMarco MD, is board certified in Family Medicine and Lifestyle Medicine. A graduate of The Ohio State University College of Medicine, he has served the Greater Cincinnati area since 2002. As the medical director and owner of DexaFit Cincinnati, Dr. DeMarco is dedicated to disease prevention and whole-person care. He promotes the pillars of lifestyle medicine—nutrition, physical activity, restorative sleep, stress management, social connection, and a healthy relationship with risky substances—while integrating advanced technology to enhance diagnosis and treatment. Dr. DeMarco embraces a personalized, proactive approach to care, helping patients extend their years of healthy, active living and prevent the chronic diseases often associated with aging. He looks forward to partnering with you on your health journey.

Medical Consultations

  • Health Optimization Consults

    Dr. DeMarco blends lifestyle medicine with cutting-edge technology to deliver personalized care. His consultations combine proven strategies—nutrition, fitness, and behavior change—with advanced testing and data-driven insights that reveal each client’s unique health profile. Whether aiming for longevity, weight management, disease prevention, or peak performance, Dr. DeMarco helps clients turn health data into clear, effective action.

  • Patient-Centered Care

    Dr. DeMarco takes a patient-centered approach to care, focusing on each individual’s unique goals, challenges, and health journey. He is committed to providing personalized, data-driven insights that empower patients to make informed decisions related to improving metabolic health, long-term disease prevention or peak performance. His goal is to listen first, educate clearly, and support each person every step of the way.

  • Medical Expertise

    Drawing on over 20 years of clinical experience, Dr. DeMarco partners with clients as they navigate their own path to better health. Rather than a one-size-fits-all approach, he believes in equipping each person with clear data, practical strategies, and expert guidance. Every client plays the lead role in transforming their health—Dr. DeMarco’s role is to help chart the course, anticipate obstacles, and provide trusted support along the way.

Schedule an Optimization Appointment

Ready to Take Control of Your Health?

At DexaFit Cincinnati, Dr. David DeMarco combines advanced testing with 20+ years of medical expertise to give you precise, personalized answers. Our Annual Optimization package includes full-body testing and a 60 minute consultation to get you started—whether your goal is longevity, weight loss, or reversing chronic disease. Want long-term support? Our memberships provide ongoing consults, labs, and expert guidance to keep you on track to prevent disease and extend your health span. Book an Optimization appointment today and take control of your health.

Take Advantage of Dr. DeMarco's Medical Expertise

To schedule a medical consultation with Dr. DeMarco, choose the “Physician-Guided Test Review” addition to your purchase while booking an appointment.