Meet Our Team

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Dorothy Cohen Serna, MD, DipABLM, FACP, NBC-HWC

Dr. Serna has been in private practice since 1998. She founded North Cypress Internal Medicine and Wellness, with the mission of providing superior, attentive and thoughtful care with a strong focus on Lifestyle Medicine and Wellness. Dr. Serna is certified as a Diplomate of the American Board of Lifestyle Medicine, part of the first group of medical professionals to earn this distinction.

Dr. Serna is Board Certified by the American Board of Internal Medicine and has attained Fellowship with the American College of Physicians. She completed training with Wellcoaches and recently became a National Board Certified Health & Wellness Coach (NBC-HWC). Dr. Serna has been a featured speaker at the American College of Lifestyle Medicine conference and most recently spoke about Lifestyle Medicine in a Concierge Practice at the Concierge Medicine Forum. She has published in the American Journal of Lifestyle Medicine and previously served as Chief Wellness Officer at North Cypress Medical Center and as a member of the Go Healthy Houston Task Force.

Dr. Serna was recognized with the 2022-2024 Distinguished Physician Leader in Concierge Medicine award. This uniquely meaningful honor is given every two years by Concierge Medicine Today, the industry's oldest and most respected trade publication, to fewer than one percent of doctors across the U.S. and the world who have made a significant impact on and contribution to concierge medicine. Since 2018, she has also been named to the Texas SUPER DOCTORS list every year.

Dr. Serna is a loving mother to her four children. She enjoys nutrition, fitness activities, reading and learning. She aspires to live a balanced and purposeful life and to be an excellent role model for the healthy lifestyles promoted in her medical practice. She shares her passion and inspiration with all those around her.

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Stacey Gibilterra, FNP

Stacey graduated from "Ole Miss" in 1993 and obtained her Masters degree and board certification as a nurse practitioner in 1997. She has been an integral member of the practice for over ten years and looks forward to continuing to help our patients achieve healthy lifestyles. She and her husband, Tommy, and their two children live in The Woodlands. Stacey enjoys reading, exercising and traveling with her family.

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John DeBroeck

John is a born and raised Houstonian who graduated from Strake Jesuit College Preparatory and the University of Houston. As the son of two local family practice physicians, he developed a passion for medicine early on, and has worked in a variety of roles in the medical field for almost two decades. With his years of experience and customer service skills, John shines in his role as Administrative Assistant and Concierge Care coordinator at North Cypress Internal Medicine & Wellness. Along with overseeing daily operations at the clinic, John works closely with patients to ensure all concerns are addressed and their care experience is consistently excellent. He lifts the spirits of everyone around him with his ever-present smile and great sense of humor. An avid drummer, John also loves spending time with his wife, watching sports, playing with his pets, and tending to his garden.

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Jeanne Torre, MSW, LCSW, NBC-HWC

Jeanne is a board-certified Health & Wellness Coach with extensive experience as consultant, therapist and trainer in the field of autism, helping clients achieve big goals one small step at a time. Her transition to health coaching was inspired by her interest in running, nutrition, and general well-being. She has a health coaching certification from Emory University, a Level 2 Run Coach certification from RRCA, and holds a Plant- Based Nutrition certificate from the e-Cornell/T. Colin Campbell Center for Nutrition Studies. Jeanne enjoys reading, running and spending time with her family.

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Madison Campbell, NBC-HWC, CSCS, CPT, RYT-200

Madison has devoted her career to a singular mission: making health, wellness and physical activity accessible and sustainable for people of all ages. As a dedicated advocate and partner-coach, she brings years of experience to North Cypress Internal Medicine & Wellness, and a genuine passion for helping patients reach their most heartfelt health goals.

Madison is a board-certified Health & Wellness Coach, strength and conditioning specialist, certified personal trainer, and registered yoga teacher. She provides guidance in the areas of exercise, mindfulness, connection, stress management, nourishment, meaningful work, and more, inspiring patients to achieve lasting lifestyle changes.