Who We Are

Joe Dawson MPT, CDNS brings a unique mind-body approach to physical therapy, rooted in his Psychology degree from Widener University and MPT from the University of Delaware (2002). Over 25 years, he has built expertise in osteopathic manual therapy, TMJ treatment, and dry needling through the Aspire Institute. An APTA-credentialed clinical instructor, Joe uses an eclectic mix of manual and neuromuscular techniques to help patients move better and truly understand their bodies. After a decade as a multi-site clinic director, he joins Primal eager to focus fully on individualized care. Joe lives in Garnet Valley, PA with his wife (also a PT!) and daughter, and enjoys skiing, fitness, and Philadelphia sports.

Dr. Chelsea Turgeon, PT, DPT is a physical therapist with over 10 years of experience specializing in pelvic floor rehabilitation, concussion care, and vestibular therapy. She earned her doctorate from Lynchburg College and is pelvic health certified through the Herman & Wallace Institute, with additional advanced training in dry needling. A former collegiate basketball athlete, she brings both clinical precision and an athlete’s mindset to every session. At Primal, Dr. Chelsea delivers one-on-one, individualized care in a safe, supportive environment—empowering patients through education and expert treatment to move with confidence and return to the life they love.

Doctor Jessica Calderón, PT, DPT is a movement-focused physical therapist and Northeastern University graduate with experience at top-ranked PT institutions and the Boston Marathon Medical Team. She specializes in TECAR therapy, lymphatic drainage, dry needling, and Foundation Training—combining these tools to accelerate healing, reduce inflammation, and restore function after injury, surgery, or postpartum recovery. Dr. Jessica works with competitive athletes, new mothers, and everyone in between, adapting advanced techniques to each patient’s stage of life and goals. She provides individualized, one-on-one care at Primal Physical Therapy in both English and Spanish.

Dr. Mark Boutros brings dedication to his patient care and believes that every patient has existing potential to live a more efficient life. Receiving his Certified Functional Manual Therapist certification, he has specialized in orthopedic manual therapy for 10 years. A lifelong student with extensive training and mentorship, Dr. Boutros can address each patient’s individualized care with an eclectic background of treatment techniques to reach our patient goals.

Amanda Mazza is a Certified Class IV Laser Technician at Primal Physical Therapy, where she works closely with individuals to support recovery and reduce pain using Class IV laser therapy.
In addition to her role in the clinic, Amanda is a professional Brazilian Jiu-Jitsu athlete. Competing at a high level has shaped her understanding of discipline, resilience, and what it takes to come back stronger, both physically and mentally. Her experience as both a clinician and an athlete allows her to connect with clients on a deeper level. She is passionate about helping others navigate their own journey, whether recovering from injury or striving to perform at their best.