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Michael J. Sileo, MD

dr sileo

Contact Information:
Phone: (631) 689-4189
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Director of Sports Medicine, Board Certified Orthopedic Surgery & Sports Medicine, Arthroscopic Surgery of the Shoulder, Knee and Hip

Dr. Sileo is a native of Garden City, Long Island and graduated magna cum laude from the College of William and Mary in Williamsburg, Virginia in 1998. He subsequently earned his medical degree at SUNY Stony Brook in 2002. His post-graduate training included a surgical internship and orthopedic surgery residency at SUNY Stony Brook, where he was selected by the faculty to serve as administrative chief resident his final year. He then completed a fellowship in sports medicine at the prestigious Lenox Hill Hospital in Manhattan, where he served as assistant team orthopedist to the New York Jets, New York Islanders, Hofstra University, and Hunter University. Dr. Sileo has published extensively on shoulder, knee, and ankle injuries including rotator cuff tears, shoulder instability, labral tears, complex knee ligamentous injuries, and achilles tears. He has presented his clinical research at both regional and national meetings. Dr. Sileo is board certified by the American Board of Orthopaedic Surgery for both Orthopedic Surgery and Sports Medicine, and is a Fellow of the American Academy of Orthopaedic Surgery (FAAOS).

Dr. Sileo has a particular interest in the care of both the competitive and recreational athlete. He is actively involved in the community, and can frequently be found taking care of athletes on the sideline of several local football teams. He specializes in the arthroscopic and minimally invasive treatment of shoulder, hip, and knee injuries, but has extensive experience in most areas of both operative and non-operative orthopedics. Dr. Sileo is one of the few orthopaedic surgeons in the tri-state area who routinely performs hip arthroscopy for the minimally invasive treatment of hip labral tears and femoroacetabular impingement. Dr. Sileo's practice emphasizes both rehabilitation as well as training to prevent sports related injuries. His other areas of interest include the treatment of cartilage and meniscal injuries, shoulder arthroplasty, and fracture care.  Dr. Sileo currently serves as Director for the Division of Sports Medicine at St. Charles Hospital, and serves as Treasurer of the St. Charles Medical Staff.

To learn more about Dr. Sileo, click here.


"I usually don’t like submitting reviews online BUT I think the staff is excellent! My knees had been a real problem for me BEFORE I started using this group. Dr. Sileo and Richard have been amazing in finding treatments to give me relief and I can walk again without being in extreme discomfort. Thanks a million for giving me my life (knees) back!! I will be your patient forever!!" - DT



  • Rotator cuff repair
  • Labral repair
  • Shoulder instability
  • Bicep tendon tears
  • Shoulder impingement
  • Cartilage injuries
  • Shoulder arthritis
  • Fracture care


  • ACL tears
  • Ligament injuries
  • Meniscus tears
  • Cartilage injuries
  • Patella instability
  • Tendon injuries
  • Knee arthritis
  • Fracture care


  • Labral tears
  • Hip impingment
  • Cartilage injuries
  • Hip bursitis
  • Snapping hip
  • Gluteus tears
  • Hip arthritis
  • Fracture care


  • Bicep tears
  • Tennis elbow
  • Golfers elbow
  • Cartilage injuries
  • Ulnar collateral ligament tears


Richard Georges

Richard Georges is a board-certified Physician Assistant. He previously worked as a Physical Therapist Assistant in an outpatient physical therapy clinic that specialized in sports-medicine rehabilitation. He earned his Certificate in Physician Assistant Studies from Touro College in 2010.

In 2010, Richard joined Dr. Sileo’s practice. Richard routinely assists Dr. Sileo in the operating room, as well as in the office. He takes pride in helping patients to understand their orthopedic conditions, treatment, and rehabilitation.

Richard is a member of the American Academy of Physician Assistants and the American Organization of Physician Assistants who practice in Orthopaedic Surgery.



  • Achilles Tendon Protocol
  • ACL Instructions
  • ACL Protocol
  • Arthroscopic Bankart Repair Protocol
  • Hip Protocol Labral Repair with or without FAI
  • Meniscal Repair
  • MPFL Protocol
  • Rehabilitation Guidelines for Distal Biceps Repair
  • Rehabilitation Protocols for Arthroscopic Bankart Repair
  • Repair of Type I Rotator Cuff Injury
  • Repair of Type II Rotator Cuff Injury
  • Repair of Type III Rotator Cuff Injury
  • SLAP Repair Rehabilitation Protocol
  • UCL Rehab Protocol


  • Post Op Instruction Sheet
  • Post Op Hip Scope
  • Post Op Knee Arthroscopy
  • Post Op Shoulder Arthroscopy RTC Repair
  • Post Op Shoulder Labral Repair



  • East Setauket
  • Commack

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