Red Canyon Physical Therapy – Toll House Ave

Welcome to Red Canyon Physical Therapy on Toll House Ave in Frederick! Use this page to learn more about the services that we offer and the staff that provide them.

Red Canyon Physical Therapy is an independently owned practice that offers dedicated personal service and orthopedic care for patients in Frederick, Hagerstown, Columbia, and Owings Mills. Red Canyon has over 20 years of experience in orthopedic and post-surgical care, sports medicine, work readiness, and chronic pain management.

Focusing on patient-driven results, Red Canyon stays critically relevant by offering the most advanced manual therapy techniques, including Active Release Technique (ART) for Spring, the McKenzie Method of Mechanical Diagnosis and Therapy (MDT), Mulligan Concept (CMP), Dry Needling (TDN), and Augmented Soft Tissue Mobilization (ASTYM).


Red Canyon Physical Therapy’s Toll House Ave Location in Frederick, MD

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801 Toll House Ave, Suite H-3
Frederick, MD 21701
Phone: (240) 575-9260
Fax: (240) 575-9380

Meet The Team

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Karl Krantz, MPT, OCS

Clinic Director

Karl earned his Physical Therapy degree from The University of Maryland Baltimore. Karl continued his education taking courses to become a board-certified orthopedic specialist. He is certified to perform Functional Capacity Evaluations and Work Hardening in addition to office ergonomic evaluations. Karl enjoys coaching his children’s lacrosse teams.

Karl is dedicated to helping patients move pain free in everyday activities and in performance.

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Gillian Diestel, PT, DPT

Physical Therapist

Gillian is a recent graduate of the South College Doctor of Physical Therapy program based in Knoxville, Tennessee. She is a Pennsylvania native and earned her B.S. in Kinesiology from Penn State. She is passionate about evidence-based care and believes that great physical therapy begins with a good patient-therapist relationship in order to build a foundation of trust and respect. Outside of the clinic, Gillian enjoys traveling, hiking and playing with her two dogs, and spending time with friends and family.

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Max McCloskey, DPT

Physical Therapist

Max earned his Exercise Science degree at the University of Pittsburgh and continued on to get his Doctorate of Physical Therapy at Slippery Rock University of Pennsylvania. Max has had a long interest in health and wellness and has experience working with all individuals as well as professional athletes. He strives to provide optimal care and will continue his education to promote advanced manual therapy techniques. Max has an interest in Orthopedics and wants to help patients return to what they love to do. Outside of physical therapy, he has interests in traveling and sports.

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Emma Edgeson, PTA

Physical Therapist

Emma received her Physical Therapy Assistant degree from Blue Ridge CTC in 2016. She is devoted to helping her patients reach their full potential. Outside of work she enjoys hiking, traveling and spending time with family and friends.

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