Owner
Dr. Mary Jean Stack PT, DPT, OCS, CSCS
Focus Areas: Dance, Hypermobility, and Orthopedics
Prior to opening Great Falls Physical Therapy, Mary Jean worked as a physical therapist in New York City and Washington DC. She became a Board-Certified Orthopedic Clinical Specialist in 2018. She is a Certified Strength and Conditioning Specialist through the National Strength and Conditioning Association and is an active member of the American Physical Therapy Association and the International Association for Dance Medicine and Science. Mary Jean completed comprehensive movement training certification and has taught individualized and group-based... movement work. Mary Jean is also a Certified Expert by the Titleist Performance Institute to better allow evaluation and treatment of golf related injuries. Mary Jean has also taken various continuing education courses including Proprioceptive Neuromuscular Facilitation, Dynamics Neuromuscular Stabilization and Dry Needling. Mary Jean earned her Doctorate of Physical Therapy in 2014 from New York University, where she received the Elizabeth C. Addoms Award for Academic and Clinical Excellence. As an undergraduate at Muhlenberg College, Mary Jean taught ballet and graduated cum laude with a double major in Dance and Russian Studies. Mary Jean grew up in Great Falls, where her family still lives. She attended Great Falls Elementary, Cooper Middle School, and Langley High School. She began studying ballet at the Margaret Haddad Studio of Classical Ballet. In high school, she attended the prestigious Kirov Academy of Ballet in Washington, DC where she received an Artistic Degree. Mary Jean first became interested in the field of physical therapy following her own injuries as a ballet dancer. As a physical therapist, Mary Jean utilizes her prior dance background to assess biomechanics and movement in both dancers and non-dancers. In 2023, she co-authored the article: Return to Ballet Progression for Dancers After Hip Arthroscopy For Instability or Femoracetabular Impingement Syndrome which was published in the Clinical Journal of Sports Medicine. As a clinician, she understands first-hand the importance of individualized and patient-centered care to enable patients to achieve their personal goals. Mary Jean has particular interest in treating young dancers and hypermobile patient populations. She strives to help all her patients become pain-free and stronger than before their injuries. In her free time, Mary Jean enjoys spending time with her husband, Joey, and their dog, Abby. Mary Jean and Great Falls Physical Therapy were named Top Physical Therapist and Best PT Practice in Washington Family Magazine in 2024. GFPT has also been a repeat winner of Nextdoor’s Neighborhood Favorites. In 2025, Mary Jean co-founded Great Falls Movement Center with Ashley Rose of Great Falls Pilates.
