Cenegenics Columbus

Cenegenics Columbus

54 E Whittier St
Columbus, OH 43206

Aging is inevitable, but how you age is not.

Feel energetic again. With Cenegenics Columbus, you can look, feel, and perform better than you have in years.

Your Cenegenics Team:

John Kocka, MD

John Kocka, MD

Medical Director & Center Physician - Cenegenics Columbus

John Kocka, MD, is the Medical Director and Center physician at Cenegenics Columbus. Dr. Kocka trained at the Cleveland Clinic where he completed his residency in Family Medicine with special training in Preventive and Sports Medicine. Prior to founding Premier Health Clinic as a family practice, sports medicine, and wellness physician, he was the medical director at the Twinsburg Urgent Care and Twinsburg Health & Wellness Center. Dr. Kocka has previously served as the Medical Director of NASA’s medical clinic and fitness center.

In addition to his board certification in Family Medicine, Dr. Kocka is board-certified in Age Management from the American Academy of Anti-Aging, Age Management Medical Group, and physician-certified by Cenegenics. He is a member of the International Hormone Society, the International Society for the Study of the Aging Male, and the American College of Sports Medicine. He is also a Lt. Colonel in the Air Force reserve and served as the Chief of Medicine with the 910th Medical Squadron.

Dr. Kocka offers unique knowledge and experience outside his physician experience. With his interest in combat sports, he has been a ringside doctor for the Ohio State Athletic Commission, including a physician for the Ultimate Fighting Championship. He has won multiple natural bodybuilding and martial arts competitions and is a former Strong Style Mixed Martial Arts coach.

Dr. Kocka stopped competing, but his passion and commitment to weight training, functional training, exercise, nutrition, and health remain an example to his patients. Dr. Kocka believes in practicing the medicine and lifestyle he preaches to his patients.

Nutrition and Exercise
Marcos Rivera

Marcos Rivera

Performance Health Coach - Cenegenics Columbus

Marcos found his love and natural affinity for nutrition and exercise while managing a CrossFit Affiliate. His deep devotion to his clients along with his extraordinary athleticism allowed him to customize programs that brought them the desired body composition changes and taught them maintainable habits. He believes that through not only teaching sustainable relationships with food but also developing a rapport with his patients that he can create a lasting effect on each and every individual.

Marcos holds a B.S. in Mathematics and is a CrossFit Level 2 Coach. He will be pursuing a Master’s in Public Health in Nutrition and has plans to become a registered dietitian to continue to live out his passion for nutrition and to continue to educate people in nutrition and dietetics. It is his sincere belief that through learning how proper diet can affect physical transformations and in experiencing how, through this, performance increases in exercise capacity, he will continue to positively impact the lives of his patients.

Patient Experience
Derek Valencia

Derek Valencia

Patient Experience Coordinator - Cenegenics Columbus

Derek is a Patient Experience Coordinator focused on observing and understanding Cenegenics operations because of his background in business development. He loves to watch the positive and life-changing transformations that each Cenegenics patient undergoes. Derek is a vital part of the Cenegenics Columbus team because of his ability to connect with a variety of people, and his overall drive to succeed. In his spare time, Derek enjoys spending time with his wife and two beautiful daughters.

In addition to the diagnostics performed at all Cenegenics Centers, in Columbus we offer these enhanced services:

  • Maximized Energy

    Hormone Replacement Therapy

The Cenegenics program often delivers these healthy benefits:

  • Maximized Energy


    Breakthrough a lack of motivation and take control of your day fully energized.

  • Maximized Energy

    Optimize Body

    Reverse a slow and steady weight gain and return to your optimal body composition.

  • Maximized Energy

    Sexual Health

    Ignite your desire for intimacy, and turn around diminishing sexual performance.

  • Maximized Energy


    Renew clarity, “feel like yourself again” and overcome memory lapses or forgetfulness.

  • Maximized Energy


    Enjoy sleeping through the night again wake refreshed.

  • Maximized Energy


    Achieve your peak mental and physical state that will help you successfully manage and control stress in your life

See what our clients are saying about us.

Very professional, informative, and super friendly. Definitely made me feel more confident about my decision to live a healthier lifestyle.

K.B. Cenegenics, Columbus
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