• About
    • Dr. Sally Liu
    • Blog
  • Our Care
    • Expertise
    • Conditions
  • Your Visit
    • Your First Visit
    • Patient Education
    • Fees
  • FAQ
  • Contact

Defiance Medical is a sports medicine practice in New York City specializing in musculoskeletal care for active adults seeking alternatives to orthopedic surgery. Using diagnostic ultrasound, image-guided injections, regenerative therapies, and shockwave treatment, the practice diagnoses and treats pain at its source — getting patients back to people and pursuits that matter most.

Follow us

    DEFIANCE MEDICAL
    • About
      • Dr. Sally Liu
      • Blog
    • Our Care
      • Expertise
      • Conditions
    • Your Visit
      • Your First Visit
      • Patient Education
      • Fees
    • FAQ
    • Contact
    Book Appointment
    DEFIANCE MEDICAL
    • About
      • Dr. Sally Liu
      • Blog
    • Our Care
      • Expertise
      • Conditions
    • Your Visit
      • Your First Visit
      • Patient Education
      • Fees
    • FAQ
    • Contact
    DEFIANCE MEDICAL

    Shortfilms

      New Zealand

        Ivory Fly Style

          Tendance Roadster

            Rendez-Vous at Mumbai

              A Drop In The Ocean

                Non-surgical sports medicine built for bodies that refuse to quit.

                929-314-0119
                [email protected]

                Book Appointment

                • Instagram
                • LinkedIn

                SERVICES

                PRP Therapy

                Shockwave Therapy

                Women's Sports Medicine

                Nerve Hydrodissection

                Diagnostic Ultrasound

                Prolotherapy

                PRACTICE

                Dr. Sally Liu

                Your First Visit

                Patient Education

                Fees

                LEGAL

                Terms & Conditions

                Privacy Policy

                HIPAA Privacy

                Surprise Medical Bill Act

                Copyright © 2026 DEFIANCE MEDICAL

                 

                Accessibility: We are committed to ensuring our website is accessible to everybody. If you experience any difficulty accessing any part of this site, please contact us and we will provide the information or service you need through an alternative method. We are actively working to improve the accessibility of our website and welcome feedback on how we can better serve your needs.

                Designed by WPZOOM