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  • Syosset Hospital
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Meet Dr. Walsh

Highly- qualified, board certified orthopedic surgeon with advanced fellowship training in adult hip and knee reconstruction.

William Walsh MD, Fellowship Trained Orthopedic Surgeon

William B. Walsh, MDFellowship Trained Orthopedic Surgeon

William B Walsh, MD is a board certified, fellowship trained orthopedic surgeon who specializes in adult reconstruction with a focus in hip and knee joint replacement. Dr. Walsh is trained in the entire scope of primary and revision joint reconstruction.

He has special interest in same day and Minimally invasive surgery including Direct anterior hip replacement, Robotic joint replacement surgery, Partial and Total knee replacement, and Nonoperative management of hip and knee arthritis. He has additional expertise and interest in complex revision of infected joint replacement, failed joint reconstruction and management of periprosthetic fractures.

Patient Testimonials

  • 5Star Icon

    82 Ratings | 29 Comments

    Rater8Read Verified Reviews

5Star Icon

82 Ratings | 29 Comments

Rater8Read Verified Reviews

  • He did my knee replacement and he is fabulous. He is kind, gentle, and professional.He really listens to what your concerns are. I highly recommend him ❣️
    ~ Verified patient ~
  • He's a very nice doctor.
    ~ Verified patient ~
  • To Whom It May Concern, I am writing to share my deep gratitude and admiration for Dr. William Walsh, whose exceptional skill, compassion, and dedication changed my life. From my very first consultation, Dr. Walsh took the time to listen to my concerns, explain every detail of the procedure, and ans...
    ~ Verified patient ~
  • I had a total left hip replacement done by Dr. William Walsh 04/21/25 at Syosset Hospital. The operation was a total success due to Dr. Walsh’s knowledgeable expertise and skill as a top surgeon. His pleasant demeanor made my experience all the more easier to go through and I came out with 100% mo...
    ~ Verified patient ~
  • Dr. Walsh was professional & thorough. Very concerned and empathetic as he informed me that I need another surgery this year!
    ~ Verified patient ~
  • Great doctor
    ~ Verified patient ~

In TheNews

  • Plainview-Syosset Connections Issue 1 2025

    A new hip got triathlete Thomas Healy back into medal contention, a new orthopedic suite at syosset hospital, wiley the therapy dog makes...

  • Arthroplasty Cases That Teach Us the Most: 54 yo Male Left Hip Pain after THA, Evaluation for Revision

    by Drs. James Germano, Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, Nicholas Yohe, South Shore University Hospital, Bay Shore.

  • Arthroplasty Cases That Teach Us the Most: 69 yo Male with Severe Degeneration of Bilateral Hips and Hip Arthritis

    by Drs. James Germano, Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, Nicholas Yohe, South Shore University Hospital, Bay Shore.

Patient Education and Resources

This animation videos provide information about various medical conditions including anatomy, symptoms, and treatment procedures in presentations that are simple and easy for patients to understand

Patient Education Videos