Athalon Physical Therapy is New York City’s most contemporary orthopedic rehabilitation and post surgical physical therapy practice.  Conveniently located in midtown Manhattan on East 57th Street, Athalon Physical Therapy’s newly constructed facility contains cutting-edge equipment, spectacular amenities and the city’s most talented therapists, enabling clients to swiftly regain maximum health and wellness. 



Team Physical Therapist
New York City
115 East 57th Street, Suite 605, New York, NY 10022 
212-838-8023
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About Jason Klein

Jason Klein founded Athalon Physical Therapy in 2001 with the idea of creating an orthopedic and sports physical therapy clinic offering the best in physical therapy, sports performance training, and nutrition. With nearly two decades working in the rehabilitation and physiology field, Jason brings the expertise of working with college and professional athletes to all his clients. An avid runner, he serves as team physical therapist for Team Continuum.
What our clients say:

"During the past seven years, I suffered a number of sports-related injuries: IT band injuries to both knees, one badly-sprained ankle, one torn quadriceps, a sports hernia, and torn cartilage in my right wrist. Luckily, I discovered Jason Klein and Athalon Physical Therapy. I’ve been back to see Jason for rehab on each of those injuries, and I’ve referred numerous friends and colleagues along the way. Why? Because not only are Jason and his staff highly skilled, knowledgeable, and extremely professional, but I knew right away that their main focus was a genuine and sincere interest in helping me get better. Today, I’m injury-free and in the best shape of my life, thanks in no small part to Jason Klein and Athalon PT. I can’t recommend them highly enough.” - Kent B

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