Riley J. Williams III, MD


Dr. Riley J. Williams III is an Orthopedic Surgeon and specialist in knee, shoulder and elbow surgery at Hospital for Special Surgery. Dr. Williams is the Knee Group Leader of the Sports Medicine & Shoulder Service at HSS. He is also an Associate Professor at Weill Cornell Medical College. Dr. Williams attended college at Yale University and medical school at Stanford University. His clinical and research interests include: cartilage & meniscus repair, cartilage & meniscus transplantation, anterior cruciate ligament (ACL) reconstruction, arthroscopic shoulder stabilization, arthroscopic rotator cuff repair and elbow ligament reconstruction. Dr. Williams is the Director of the Institute for Cartilage Repair at Hospital for Special Surgery.

Dr. Williams is the Medical Director and  Head Team Orthopedic Surgeon for the Brooklyn Nets (NBA) professional basketball team, the New York Red Bulls (MLS) professional soccer team, and the Iona College Department of Athletics. He is also Team Physician for USA Basketball. In addition, Dr. Williams is the Director of the FIFA Medical Centre of Excellence at HSS specializing in the care of soccer injuries. He has also worked with both the New York Mets and New York Giants sports clubs. Dr. Williams is an active cyclist and triathlete.


Associate Attending Orthopedic Surgeon, Hospital for Special Surgery
Director of the Institute for Cartilage Repair, Hospital for Special Surgery
Associate Professor of Orthopedic Surgery, Weill Cornell Medical College


Special Expertise

Anterior Cruciate Ligament (ACL) tears
Posterior Cruciate Ligament (PCL) tears
Knee Instability
Partial Knee Replacement
Knee Osteotomy
Osteochondral Allograft

Labrum Tears
Rotator Cuff Tears
Frozen Shoulder
Revision Surgery
A-C Joint dislocation

Ligament Reconstruction
Tommy-John Surgery
Motion Loss
Throwers elbow


Aircast Award for Clinical Medicine, American Orthopedic Society for Sports Medicine, 2005
Charles C. Neer Award for Excellence in Research, American Shoulder and Elbow Society, 2003
O'Donoghue Award for Sports Injury Research, American Orthopedic Society for Sports Medicine, 1998
Philip D. Wilson Jr. Award for Excellence in Research, Hospital for Special Surgery, 1998
Ranawat Award for Excellence in Research, Eastern Orthopedic Association, 1998
"Best Doctors in New York," New York Magazine, 2010 – 2015


American Academy of Orthopedic Surgeons (AAOS)
American Orthopedic Society for Sports Medicine (AOSSM)
American Shoulder and Elbow Surgeons (ASES)
American Medical Association (AMA)
New York State Medical Society

Insurances Accepted

United Healthcare

If your particular insurance plan is not listed, you may still have coverage subject to the availability of 'out-of-network' benefits. Please do not hesitate to contact our office if you have questions regarding your insurance coverage.


MD, Stanford University School of Medicine


Hospital for Special Surgery


Hospital for Special Surgery, Sports Medicine and Shoulder Service


American Board of Orthopedic Surgery

State Licensure

New York

Riley J. Williams III, MD has contributed to the following educational materials:

For Patients - on

For Professionals - on

Selected Publications

Williams RJ 3rd, Hyman J, Petrigliano F, Rozental T, Wickiewicz TL. Anterior cruciate ligament reconstruction with a four-strand hamstring tendon autograft. Journal of Bone and Joint Surgery (Am). 2004, 86(2):225-32.

Williams RJ 3rd, Strickland S, Cohen M, Altchek D, Warren R: Arthroscopic repair for traumatic posterior shoulder instability. American Journal of Sports Medicine, Mar-Apr;31(2):203-9, 2003.

Kelly B, Williams RJ 3rd, Cordasco F, Otis J, Backus S, Warren R, Craig E, Wickiewicz T, Altchek D. differential patterns of muscle activation in patients with symptomatic and asymptomatic rotator cuff tears. Journal of Shoulder Elbow Surgery 2004.

Williams RJ 3rd, Urquhart ER, Altchek DW. Medical collateral ligament tears in the throwing athlete. Instructional Course Lectures. 2004;53:579-86.

Mithoefer K, Williams RJ 3rd, Warren R, Potter HG, Spock C, Jones E, Wickiewicz T, Marx R. Prospective Evaluation of the Microfracture Technique for the Treatment of Symptomatic Articular Cartilage Lesions of the Knee. Journal of Bone and Joint Surgery 2005.

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Dr. Riley Williams III, Orthopedic Surgeon

Contact Information

Office Locations

Belaire Building, 1st floor
525 East 71st Street
New York, NY 10021

Tel: 212.606.1855

Mailing Address

Hospital for Special Surgery
535 East 70th Street
New York, New York 10021

Back in the Game Patient Stories:

Dr. Williams's Blog Posts:

Dr. Williams in the News: