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Meet Our Team

Martin Zackroff, MPT
Owner/Clinical Director of the West Chester Office

Martin Zackroff aka Marty, has been a licensed physical therapist since 1999. He graduated with a Bachelor of Health Sciences degree from the University of Miami in 1996, and received a Master of Physical Therapy degree from Nova Southeastern University in 1999. His work history includes two well established outpatient physical therapy clinics in Delaware and Chester counties, with a high concentration in student athletes. He opened Joint and Spine Physical Therapy in May 2005 to deliver high quality care and improve patient's overall function. Marty prides himself in keeping up with the most recent literature compiled by the most successful clinicians in the profession and is always learning and implementing new techniques to his patient's plan of care.

Marty is a native of the West Chester area. He has two teenage daughters. In his spare time he can be found at one of his daughter's many activities.


Dana Durkin has been a licensed physical therapist here at Joint & Spine Physical Therapy since her graduation in 2009. She is a graduate of the University of the Sciences in Philadelphia with her Doctorate in Physical Therapy and Bachelors of Health Science. Dana completed her clinical studies with Joint & Spine Physical Therapy as a student prior to on-boarding as a full-time therapist. Dana has worked per diem with pre-school and school aged children.

Dana first developed her interest in physical therapy following her own ACL injury while playing basketball for Bishop Shanahan High School. Dana is an avid runner. 

Dana is also a native of the West Chester area. She has two young children. In her spare time Dana can be found coaching one of her kid's sports teams or attending one of their sporting events.

Dana Durkin, DPT
Staff Therapist (Part-Time)
David Chiplonia "Chip", DPT
Clinical Director of the Newtown Square Office

David Chiplonia aka Chip, graduated from Widener University with his Doctorate in Physical Therapy in 2015. He graduated from DeSales Univeristy with a Bachelor of Science degree in Sport & Exercise Science. David completed his final clinical rotation at Joint & Spine. His undergraduate experiences include internships with St. Luke's Rehab in Center Valley and Hellertown, and Good Shepard Rehab in Allentown. His graduate rotations include experiences in multiple outpatient settings and inpatient rehabilitation focusing on subacute and acute settings. David's interests include sports rehab, manual therapy, and vestibular therapy. His goals are to help improve the function and quality of life for all patients.

Chip resides in Delaware County with his wife and son. In his spare time Chip enjoys a round of golf with friends at one of the many golf courses in our surrounding area.

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