About Us - David J. DeMarco MD
Meet Dr. David DeMarco, MD — Cincinnati’s Leader in Lifestyle & Preventive Medicine.
Physician-Guided Testing, Personalized Consultations, and Advanced Health Optimization — Exclusively at DexaFit Cincinnati
Board-Certified Expertise Backed by 20+ Years in Preventive and Lifestyle Medicine
Dr. David J. DeMarco, MD, is board-certified in both Family Medicine and Lifestyle Medicine. A graduate of The Ohio State University College of Medicine, Dr. DeMarco has served the Greater Cincinnati community since 2002. Today, as the medical director and owner of DexaFit Cincinnati, he leads a physician-guided approach to advanced diagnostics and personalized wellness.
Dr. DeMarco blends traditional medical training with modern tools like DEXA scans, VO2 Max testing, and RMR metabolism assessments to identify root causes, optimize longevity, and prevent chronic disease. His approach centers on the six pillars of lifestyle medicine—nutrition, physical activity, restorative sleep, stress management, healthy relationships, and risk avoidance—empowered by state-of-the-art data.
He’s committed to helping you live longer, feel stronger, and stay ahead of preventable illness.
Health Optimization & Wellness Consults
Dr. DeMarco's 1:1 medical consultations combine:
• Evidence-based nutrition and fitness protocols
• DEXA body composition scans and advanced lab work
• Personalized lifestyle strategies for metabolic health, weight loss, and disease prevention
Whether you're aiming for peak performance, reversing insulin resistance, or extending your health span, these consultations are designed to turn complex health data into clear, actionable steps.
Patient-Centered Care
Every consultation is tailored to your unique journey. Dr. DeMarco takes time to understand your history, your goals, and your daily challenges. From there, he delivers personalized, physician-led insights—built around your test results and lifestyle.
Expect:
• Goal-focused, long-term health strategies
• Preventive insight for chronic disease reversal
• Continuous education and expert support
20+ Years of Trusted Clinical Experience
With over two decades of experience, Dr. DeMarco empowers patients to take charge of their health using the most advanced diagnostic tools available at DexaFit, including:
• DEXA Scan for body composition & visceral fat
• VO2 Max Testing for cardiovascular fitness
• RMR Metabolism Testing for calorie burn and metabolic rate
• Lab work and continuous health tracking
Take Control of Your Health—Backed by Data and Expertise
At DexaFit Cincinnati, Dr. DeMarco’s Annual Optimization package gives you everything you need to understand and transform your health:
Full-body DEXA scan, VO2 Max, and RMR testing
Comprehensive lab panels
A 60-minute personalized consultation
Tailored longevity and performance protocols
Want ongoing support? Choose one of our medical memberships, which include quarterly consults, lab reviews, and physician-led strategy updates.
How to Book a Medical Consultation With Dr. DeMarco
Book Your Appointment
Visit our bookings page to view all available services and appointment types.
Choose Your Test or Service
Select the Physician-Guided DEXA, VO2 Max, or RMR option.
Confirm Your Time
Book your preferred date and time. You're all set for expert guidance.
Instant Results & Guidance
Get your results on the spot—then sit down with Dr. DeMarco to turn data into a personalized health plan.
Cincinnati's Trusted Partner for
Preventive Medicine and Advanced Health Testing
Patients from across Cincinnati and the surrounding communities trust Dr. DeMarco and DexaFit Cincinnati for physician-led metabolic testing, chronic disease prevention, evidence-based lifestyle medicine, advanced diagnostics including DEXA, VO2 max, and RMR, and longevity and performance optimization.