U.S. Athletic Training Center



The U.S. Athletic Training Center was founded in 1994 by Mary Leonard and Gary Guerriero with the mission to bring the level of sports orthopedic physical therapy only available to a high-performance athletes to all patients who desired that level of care and attention. Prior to founding the U.S. Athletic Training Center, Guerriero was the physical therapist for Rangers. He also spent time at the Olympic facilities in Lake Placid. The U.S. Athletic Training Center has been a home for athletes of every level for decades. Every therapist on the staff follows specific guidance on how to treat to each injury. Our philosophy is that we don't just get you better -- we get you better than ever.


Gary Guerriero

He holds a degree in Physical Therapy from Downstate Medical School.

imgGary Guerriero

Gary Guerriero is the co-owner U.S. Athletic Training.Prior to opening USATC in 1994, Gary was head Physical Therapist for the New York Rangers from 1983-1993. Gary also worked with the New York Knicks and the New York City Ballet. At the 1984 Olympic Games in Los Angeles, Gary was the head Athletic Trainer for U.S.A Baseball and U.S.A. Track and Field. His involvement with Team U.S.A. also included time with the bobsled, luge, and alpine events at the Olympic Training Center in Lake Placid, NY. At the 1996 Olympic Games in Atlanta, Gary was the physical therapist for the modern Pentathlon. Gary has treated numerous world-class and professional athletes, Billboard top 100 artists and performers, industry icons, and business executives. He was named one of the "55 Best Trainer's" in America and #1 in New York. He has been featured most recently in the Financial Times, and had numerous appearances on Eye Witness News with Dr. Jay Adlersberg.

Agata Jozefowicz

Dr. Jozefowicz attended the Wyzsza Szkola Zarzadzania i Administracji w Zamosciu, where she earned her master's degree in physical therapy.

imgAgata Jozefowicz

Agata Jozefowicz is a concerned and caring physical therapist serving the community of New York, NY. She is a triathlete who most recently placed 18 in her age group and 817 overall in the New York City Triathlon with a time of 2:49:41 and overall mileage of 31.99. Her original sport was archery for which she was selected to be on the Polish national team. Agata is devoted to ensuring the longevity of her patients’ health and developing long-lasting relationships with them. She takes her time to understand symptoms and give correct diagnoses to ensure the continued health of all her patients. She is dedicated to helping patients receive the treatment they need so they can enjoy a positive and fulfilling lifestyle.

Patrick Crangle

Patrick graduated with his Bachelors Degree in Exercise Science from D’Youville College and continued his education at D’Youville College earning him his Doctorate in Physical Therapy

imgPatrick  Crangle

None listed

Linnea Petersen

Linnea received her Doctorate in Physical Therapy from Northeastern

imgLinnea Petersen

Linnea Petersen, DPT, graduated from Northeastern University in Boston, MA and has over 5 years clinical experience. After having lived in Boston for 9 years, she decided to travel back to NYC to be closer to family, and get away from the terrible weather. She is Graston M1 Certified, and focuses on myofascial release when completing manual interventions. She swam competitively though college, and currently continues to swim. She also has a passion for cycling and hiking.


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