Our Team

Physical Therapists

  • William Peters Garden City, NY

    William Peters, DPT, ATC, CSCS,
    Owner, Director of Physical Therapy

    William Peters, DPT is a Doctor of Physical Therapy and is the director and founder of Pro Sports Performance Physical Therapy in Garden City, NY. His extensive experience, dedication and continued education have enabled him to stay abreast with the most modern evidence based trends in rehabilitation, making him a leader in the field of physical therapy.

    His previous experience includes providing physical therapy services to patients at one of Long Island’s most prestigious medical organizations, ProHealth Care Associates. He has worked for the NY Jets rehabbing and preventing sports related injuries; has successfully consulted with the NY Liberty of the W.N.B.A. in developing an injury prevention program and has conducted metabolic testing for the NY Islanders. 

    William has gained valuable experience working as an Athletic Trainer at Columbia University; as a research assistant at the Harkness Center for Dance Injuries at the Hospital for Joint Diseases in NYC and has toured with professional dancer/actor, Ben Vereen.  He serves as an on-call physical therapist for the US Open Tennis Tournament and has provided event coverage at the NY City Marathon.


    Mercy College – Doctor of Physical Therapy

    Columbia University – Master of Applied Physiology

    Rutgers University – Bachelor of Exercise Science


    Clinical Interests

    Adult and Pediatric Orthopedic Physical Therapy

    Sports Medicine and Injury Prevention Training

    Post-Operative Rehabilitation, Neurological Disorders

    McKenzie Method of Mechanical Diagnosis & Therapy


    Professional Memberships

    American Physical Therapy Association

    National Athletic Trainers’ Society

    National Strength & Conditioning Association

    The McKenzie Institute, USA

  • Courtney Marie Prezioso Garden City, NY

    Courtney Marie Prezioso, MPT

    Courtney Prezioso joined Pro Sports Performance Physical Therapy in September of 2015, bringing her vast knowledge and expertise to our practice. Her experience as a clinical instructor, her passion for learning, and her extensive continuing education has allowed her to excel in providing hands-on physical therapy to her patients.

    She received her physical therapy degree from Quinnipiac University in 2010 and has since gained an abundance of experience in the outpatient, inpatient, and homecare physical therapy settings. Courtney is currently studying at the McKenzie Institute USA, working towards her Mechanical Diagnosis and Therapy Certification. She is also taking courses towards a specialty in Vestibular Rehabilitation, and is studying for her Yoga Instructor Certification. She is trained in Zheng Gu Tui Na and Qi gong, a form of Chinese massage and manipulation.

    Courtney’s passion for her patient’s well being, thirst for knowledge, and well-rounded experience enables her to provide the upmost in physical therapy care to patients of all ages.


    Quinnipiac University – Master of Physical Therapy
    Quinnipiac University – BS in Health Science Studies


    Clinical Interests
    Adult and Geriatric Orthopedic Physical Therapy
    Sacred Element Yoga Therapy & Postural Analysis
    Post-Operative Rehabilitation
    Vestibular Disorders & Rehabilitation


    Professional Memberships
    American Physical Therapy Association
    New York State Physical Therapy Association
    Certified FMT RockTape Professional