
Matthew Harrison
Physical TherapistMatt Harrison, the founder of Harrison Physical Therapy, is a lifetime resident of the Hudson Valley. He received his undergraduate degree from the University of Rhode Island, where he was a four-time New England Track and Field Champion. Matt completed his graduate work in physical therapy at Simmons College in Boston, MA, where he specialized in orthopedics and sports medicine. After graduation, Matt worked as a physical therapist at Massachusetts General Hospital in Boston until he and his wife relocated to Dutchess County in 1999. After practicing orthopedic and sports physical therapy at several local clinics, Matt founded Harrison Physical Therapy in 2002. When he is not treating patients, Matt enjoys working out, playing golf and tennis, skiing, and spending time with his family.

Nicole Casella
Physical TherapistA lifetime Dutchess County resident and Arlington High School graduate, Nicole Casella has been working in the physical therapy field since 1997. She is a Certified Strength and Conditioning Specialist, and specializes in orthopedic and sports physical therapy. Nicole is a graduate of SUNY Albany and received her master’s degree in physical therapy from Mercy College. Nicole’s interests outside of physical therapy include gardening, reading, and spending time with her family.

Brett Laffin
Physical TherapistA lifelong resident of Dutchess County, Brett Laffin is a graduate of Mercy College’s Doctorate of Physical Therapy program where he specialized in orthopedic and sports physical therapy. Brett emphasizes utilizing the latest research and manual techniques to help patients achieve their highest possible functional outcomes. Brett enjoys spending time with his wife and family, playing guitar and staying active.

Sean Mascarehas
Physical TherapistSean Mascarenhas grew up in Dutchess County and graduated from SUNY Cortland with a Bachelor’s degree in Kinesiology. He continued on to receive his Doctorate of Physical Therapy from American International College. He is a Certified Strength and Conditioning Specialist, and specializes in orthopedic and sports physical therapy. Sean’s interests outside of Physical Therapy include weightlifting, watching sports, and spending time with friends and family.

William Sablinski
Physical TherapistWilliam “Billy” Sablinski grew up in Dutchess County and graduated from East Stroudsburg University with a Bachelor’s degree in Exercise Science. He continued on to Mercy College, where he received his Doctorate of Physical Therapy. A former high school and collegiate baseball player, Billy chose to specialize in sports and orthopedic physical therapy. When he is not treating patients in the clinic, Billy enjoys golfing, fishing, weightlifting, watching sports, and spending time with friends and family.

Christopher McKallen
Physical TherapistChristopher McKallen grew up in Orange County, NY and received his Doctorate of Physical Therapy from Ithaca College. Growing up, he was highly active in competitive ice hockey, lacrosse, breakdancing, and snowboarding. Since graduation, Chris has gained a wealth of experience working with high level athletes, post-surgical cases, and intensive critical care patients. In his free time, Chris enjoys hiking, weight lifting, drawing, and mixed martial arts.