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Meet Our Team
Dr. Jonathan Mullis, PT, DPTOwner and CEO
Owner and CEO of Physical Therapy Doctors of Florida LLC. Dr. Mullis has been a physical therapist since graduating from Northeastern University in Boston, with his Bachelor of Science degree in Physical Therapy, in 2000. He went on to obtain his Doctorate in Physical Therapy (DPT) from Simmons College in 2005 and also completed a one-year fellowship program in the Norwegian Approach to Manual Therapy, at the Institute of Orthopedic Manual Therapy, in Woburn, MA, in 2002. Over the years, he has also received training in various other manual therapy and myofascial therapy techniques.
Before starting Physical Therapy Doctors of Florida, Dr. Mullis founded Mullis and Associates Physical Therapy, Inc. in 2009 which grew to two Boston area locations before being sold to ProEx Physical Therapy in May of 2017. Dr. Mullis also spent over 8 years at Boston Medical Center, prior to founding Mullis PT, and was responsible for managing the Outpatient Rehabilitation Therapies Department. He specializes in the treatment of orthopedic injuries of the spine and extremities.
Megan Bollinger, MPT, PRC, PMA-CPTPhysical Therapist
Megan joined our team in November of 2020 as a Physical Therapist. Megan comes to Florida with a Master’s Degree in PT from the University of North Dakota. Prior to moving to Bradenton in 2017 she was from Bemidji, MN. She has specialties in treating spinal disorders, chronic pain/migraines, women’s health, and athletes. She is a biomechanical expert and movement specialist.Megan is one of less than 250 therapists worldwide that has earned a certification from the Postural Restoration Institute specializing in using multiple systems/whole body approach for evaluation and treatment. She also has an advanced certification in Pilates from the Pilates center in Boulder, CO. She is an “out-of-the-box” therapist that has a passion to help patients return to a healthier life by identifying and correcting unhealthy movement patterns.
Kristin TrezzaPatient Care Coordinator
Kristin joined our team in August of 2021 as our Patient Care Coordinator. Prior to moving to the Bradenton area, Kristin worked as a Human Resources Officer in Clearwater, FL. She has previously worked as a group fitness instructor and certified Personal Trainer. She is excited to be a part of our team and assist patients in scheduling their PT treatment to improve their physical health and capabilities.Kristin lives in Bradenton with her family and is currently working towards her Bachelor’s degree. She enjoys spending time with her family, reading, writing, dancing, and running.
Sonia MullisOwner and COO
Owner and COO of Physical Therapy Doctors of Florida LLC. Sonia has extensive experience in both Operations and Management. Originally from the Dominican Republic, she has over 15 years of experience in Buying/Marketing and Management both in the Dominican Republic and in the United States. She spent 11 years working in the Merchandising Department at Stop & Shop Super Market/Ahold Headquarters in Quincy, MA. In her last role at Ahold, she was a Category Manager with responsibilities that included managing a promotional budget, assortment, promotions and buying for 400 stores. Upon leaving Ahold Sonia joined her husband at Mullis and Associates Physical Therapy, Inc. as the Director of Operations with oversite of all business operations.
She holds a Bachelor Degree in Hospitality Administration/Management from Pedro Henriquez Urena University, in the Dominican Republic.
Her hobbies include, spending time with her family, event planning, dancing and listening to music.
Cynthia Cantwell, PTAPhysical Therapist Assistant
Cindy joined our team in November of 2019 as a Physical Therapist Assistant. Originally from Northern Vermont, Cindy brings over 25 years of experience in both acute care and outpatient orthopedic settings giving her a wide range of therapeutic options. She believes in treating the body as a whole system.Cindy graduated from New Hampshire Vocational College in Claremont, NH in 1989 and specializes in manual therapy, as well as, traditional physical therapy techniques. Additionally, she has extensive training in myofascial release, craniosacral therapy, joint balancing, total body balancing, massage therapy and postural restoration. Cindy enjoys educating patients about their bodies and providing the tools to assist in their healing. Cindy lives in Lakewood Ranch, FL with her husband and her westie (Lola). She has a love for Yoga and in 2015 attended a 200- hour Hatha teacher training program, for her own personal growth.
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