Great South Bay Physical Therapy & Sports Rehabilitation


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Great South Bay Physical Therapy & Sports Rehabilitation-Highest Quality Sports Rehabilitative And Physical Therapy Servicescall for an appointment today! 631-581-0006

About Us

Here at Great South Bay Physical Therapy we strive to provide our patients with unsurpassed care and treatment. Our convenient hours are designed to work with our patient’s busy schedule - and our personalized clients services include:

  • Personalized One-on-One Therapy with the same Therapist, which allow us to focus on your case - and offer you the best care possible
  • Brand new state-of-the-Art equipment
  • Immediate appointments when necessary
  • Most insurance plans accepted

Together we strive to provide quality and personalized care to help you achieve your maximum potential.



As a Therapist / Owner, Cosmo is personally involved with the hands on care of every patient. Having been in the field for more than fifteen years, he has extensive experience in both orthopedic and spine physical therapy, and has treated patients with neurological conditions that include CVA, MS and Parkinson’s.


Diane is a graduate of Columbia University's Physical Therapy program, and has completed extensive continuing education coursework in pediatrics, orthopedics and biomechanics. Diane has over 14 years of experience, with specialties that include pediatrics (from birth), as well as spinal orthopedics

Diane is also currently an adjunct faculty member in the Physical Therapy Program at SUNY Downstate.

rehabilitative physical therapy

Cosmo Baccarella, PT (Physical Therapist, Owner)
Great South Bay Physical Therapy & Sports Rehabilitation
393 Moffitt Blvd. • Islip, NY 11751
Phone: 631-581-0006 • Fax: 631-581-0990 • E-mail:
Business Hours: Mon., Wed., Fri., 9am-8pm • Tues., Thurs., 9am-3pm • Sat., 8am-1pm