Meet The Grace Medical and Chiropractic Assosciates!

Our Doctors

Dr. Guy DiTommaso, D.C.

Doctor of Chiropractic

Dr. Guy graduated from the New York School of Chiropractic over 29 years ago. Over his career he has opened and operated multiple clinics in New York, New Jersey and Florida. Dr. Guy was the second chiropractor licensed to perform Needle EMG/NCV tests in the state of New York. He was also one of the first doctors to introduce multi disciplined practices. Based on his philosophy that the entire body needs to be healed in order for a patient to achieve the highest quality of life, most of his practices featured a Medical Doctor, Physical Therapist, Massage Therapist, Nutritionist and a Chiropractor. His vision was clear, have all types of specialists working together in one place so each and every patient that came through the front door could receive the care they deserved in a timely manner and thus recover from their problem quickly.

Throughout Dr. Guy's chiropractic career he has treated over 6,000 patients. If you are looking to enjoy more quality time with your family, have more energy and less fatigue, perform better at work and live life to the fullest with less limitations, then give Dr. Guy and the ProAdjuster team a try!

Dr. Danielle Mastrosimone, D.C.

Danielle Mastrosimone, DC is a graduate of Trenton State College (The College of New Jersey) where she was a member of the Gamma Zeta Chapter of Kappa Delta Pi International Honor Society in Education, the 1994 and 1995 NCAA National Championship teams in women’s soccer, and Who’s Who Among Students in American Universities and Colleges. She received her Bachelor of Science degree in Corporate Fitness which has a concentration in health sciences, exercise physiology, kinesiology and sports biomechanics. Her degree also entails designing health and wellness programs for the corporate setting to increase performance/productivity, decrease absenteeism/presenteeism, and contain corporate health care costs.

Dr. Mastrosimone obtained her graduate degree at New York Chiropractic College. As a chiropractic physician, she has an eclectic background in the physical medicine field that includes experience in sports injury care, spinal rehabilitation, and clinical research on herniated lumbar spinal discs. She has a clinical focus in the case management of various soft tissue, joint and nerve injuries, pain and dysfunction. She utilizes conservative measures to not only try to relieve pain, but to help restore function, and prevent re-injury, deconditioning, and disability. It is also Dr. Mastrosimone’s philosophy to address, and educate her patients on, factors that alter their daily activities, predispose them to degenerative processes, and facilitate chronic pain mechanisms.

Dr. Danielle is a former ESPN/CoSIDA Academic All-America, Adidas Scholar Athlete All-America, two-time NCAA Division III National Champion, NSCA Goalkeeper of the Year, and NCAA National Tournament MVP in women’s soccer. As such, she has a special interest in working with athletes and employing manual therapies for soft tissue and joint injuries associated with sports injuries, structural imbalances and patterns of functional motor pathologies.

Dr. Mastrosimone is a firm believer that “movement is life” and encourages patients to progress from passive, acute care to active, rehabilitative care for better clinical outcomes and overall quality of life. She currently lives in Naples, Florida where she has family, enjoys Southwest Florida’s great outdoors and stays active with recreational bicycling, kayaking, and hiking.

Our Medical Doctor

Dr. Mark Kantzler, D.O.

Biography coming soon...

Our Chiropractic Physician Assistant

Robert Sadler III, CMA, BMO

After proudly serving in the US Army where he received many commendations, Robert obtained his Medical Assistant Certification and Basic X-Ray Machine Operator Certification from Heritage Institute. When Robert is not at Grace Medical and Chiropractic he likes to spend time at the gym and fishing, but his favorite thing to do is spend time with his son.

Our Physical Therapists

Amandeep Ahluwalia, PT

Amandeep Ahluwalia, PT received her Bachelor of Physical Therapy degree from Indore Institute of Medical Sciences in Indore, India.

From 2002 to the present, Amandeep has practiced physical therapy in several medical settings in India with her longest tenure being Senior Physical Therapist at Siddhi Hospital for four years prior to coming to Florida.

In addition to her experience as a PT, she is also trained in Hatha yoga, Reiki, and acupressure.

Amandeep has spent time volunteering for both the Lion's Club and the Rotary Club providing pro bono PT services to patients in her spare time.

When Amandeep is not at Grace, she enjoys spending time with her husband and two children.


Biography coming soon...

Our Massage Therapist

John Myers, LMT

Biography coming soon...

Our Office Staff

Darlene Jones, Front Office Manager

Darlene handles patient insurance and billing. She has worked in chiropractic insurance and billing since 2005. Prior to that she worked in the dental profession for fifteen years.

Javonni Charlton, Front Office Medical Assistant

Javonni Charlton was born in St. Andrew, Jamaica, moved to New York as an infant, and then her family settled in Florida in 2002. After graduating from Lehigh Senior High School, Javonni completed her post-secondary studies in Cosmetology from Sunstate Academy and obtained a Medical Assistant degree from Heritage Institute. Prior to coming to our practice, Javonni spent several years as a Customer Service Representative with a dual career in cosmetology which she maintains today. When Javonni is not at Grace, she enjoys cosmetology, swimming, and spending time with her daughter.