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Dr. Greg DeNunzio DC, MS, MHS, BSME
Chiropractic Physician

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Dr. Greg DeNunzio is a licensed Doctor of Chiropractic with over 28 years of clinical experience, which includes a background in healthcare, fitness, nutrition, occupational health, and biomechanics.


In addition to owning a multidisciplinary clinic for 20+ years, he has also previously owned a CrossFit gym. He holds a B.S. degree in Mechanical Engineering, an M.S. degree in Exercise Science, and a Master’s in Health Science in Functional and Integrative Nutrition.

Dr. DeNunzio has been Chief of Staff of a 3D-biomechanics lab, and has supervised three multidisciplinary clinics, clinics that serve the underserved population, and occupational health clinics.

Dr. DeNunzio is an expert on movement, injury prevention, rehabilitation, and performance. With his depth of knowledge and numerous certifications, he is passionate about improving patients’ lives through active care, proper movement, and nutrition.

Dr. Sarah Chester Hansell
Chiropractic Physician

Dr. Sarah Chester of Marco Chiropractic

Dr. Sarah Chester-Hansell is originally from Pittsburgh, Pennsylvania and moved down to Florida to attend Palmer College of Chiropractic in Port Orange, Fl.  She liked the weather so much that she stayed in Florida after graduation and moved to West Palm Beach where she practiced until moving to Marco Island.

Dr. Chester-Hansell loves working with kids, especially the younger. She is currently a member of the International Chiropractic Pediatrics Association (ICPA) and is working towards completing the pediatrics diplomate program to achieve Certification from the Academy Council of Chiropractic Pediatrics (CACCP) to specialize in chiropractic pediatrics care.
As a Chiropractic Practitioner, Dr. Chester-Hansell is the owner of Marco Chiropractic Clinic, located in Marco Island, Florida.  Her practice offers a wide variety of care including sports injuries, post accident injuries, wellness, and maintenance. Her clinic offers many different types of therapies to go along with the adjustment and maximize treatment results including: Graston Technique, k-laser, ultrasound, electric stimulation, and kinesio taping. There are also many different techniques she utilizes to adjust the patient depending on what is best for the particular patient and also patient preference. Dr. Sarah mostly does  gentle  activator adjusting as well as specific hands on adjusting.  She is also certified in techniques such as Thompson drop table, muscle release techniques, and flexion/distraction technique.

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