Nassos Orthopaedic Surgery and Sports Medicine

Nassos Orthopaedic Surgery and Sports Medicine Nassos Orthopaedic Surgery and Sports Medicine is a leading orthopaedic private practice
To learn more visit: www.drnassos.com

Dr. Nassos is a board certified, fellowship-trained orthopaedic surgeon who specializes in sports medicine, trauma, arthroscopic surgery and joint replacement. He has been an assistant team physician for numerous professional sports teams like the Los Angeles Lakers, LA Dodgers, LA Kings, Sparks and the Anaheim Ducks. Also, as an Associate Master Instructor of arthroscopy, he teaches other physicians on leading edge arthroscopic surgical procedures, always thriving on passing along his knowledge to others.

GLP-1s may have profound impact on total joint replacement.
03/13/2026

GLP-1s may have profound impact on total joint replacement.

GLP-1s may help patients with a BMI of 40 kg/m2 become eligible for joint replacement. But questions remain on the use of GLP-1s before surgery and the long-term effects on musculoskeletal health.

Short-Term Functional Outcomes in Patients Undergoing Primary Total Knee Arthroplasty According to Their Body Mass Index...
03/13/2026

Short-Term Functional Outcomes in Patients Undergoing Primary Total Knee Arthroplasty According to Their Body Mass Index.

This study aimed to evaluate the association between body mass index (BMI) and short-term outcomes following primary unilateral total knee arthroplasty (TKA), including functional improvement, perioperative variables, and postoperative complications.

Non-Surgical Treatments for Rotator Cuff Tears.
03/06/2026

Non-Surgical Treatments for Rotator Cuff Tears.

When the symptoms of a rotator cuff tear are acute, meaning there is a sudden flare-up of symptoms, it may be helpful to rest the shoulder to allow the inflammation of the injury to settle down.

Exercising With Knee Pain: Do`s and Don`ts.
02/27/2026

Exercising With Knee Pain: Do`s and Don`ts.

Exercise can often be the last thing on the mind of someone suffering from a chronic knee pain condition. And as research indicates, many people who have degenerative diseases of the knee, such as osteoarthritis, don't get anywhere close to the recommended amount of daily exercise activity that....

Wishing you and your family a happy and healthy new year!
01/01/2026

Wishing you and your family a happy and healthy new year!

Happy Holidays! We wish you and your family a joyful holiday season!
12/24/2025

Happy Holidays! We wish you and your family a joyful holiday season!

Tips for healing a sprained ankle fast.
12/09/2025

Tips for healing a sprained ankle fast.

Sprained ankles can be very painful, and severe sprains can require months of recovery. However, a person can take several steps at home to help speed their healing and reduce the risk of re-injury.

Wishing you and your family a wonderful Thanksgiving!
11/27/2025

Wishing you and your family a wonderful Thanksgiving!

Remember. Never forget. #911
09/11/2025

Remember. Never forget. #911

Happy Labor Day! We hope you and your family enjoy your time off!
09/01/2025

Happy Labor Day! We hope you and your family enjoy your time off!

Wishing you and your family a Happy Independence Day!
07/04/2025

Wishing you and your family a Happy Independence Day!

This Memorial Day, we remember and honor those who gave their lives in service to our nation.
05/26/2025

This Memorial Day, we remember and honor those who gave their lives in service to our nation.

Address

8436 W. 3rd Street 800
Los Angeles, CA
90048

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm

Telephone

+13102732731

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Jonathan T. Nassos, MD is a board-certified, orthopaedic surgeon in Los Angeles, California. He specializes in surgical and nonsurgical treatment of musculoskeletal disorders and injuries, including arthroscopic surgery, joint replacement, and orthopaedic trauma. Dr. Nassos also serves as attending staff physician at Cedars-Sinai Medical Center in Los Angeles. After earning his bachelor’s degree from the University of Illinois at Urbana-Champaign, Dr. Nassos went on to earn his doctor of medicine from Loyola University Chicago Stritch School of Medicine and his residency in orthopaedic surgery from Loyola University Medical Center in Maywood, Illinois. After his residency, he completed an orthopaedic sports medicine fellowship at a prestigious Kerlan-Jobe orthopaedic Clinic in Los Angeles, California and worked as an assistant team physician for the Los Angeles Lakers, Dodgers, Kings, Sparks, Anaheim Ducks, and Loyola Marymount University. Dr. Nassos is committed to keeping up with advancements in his field and has been active in research, presenting at both national and international scientific meetings. His work appears in several industry publications. Dr. Nassos shares his expertise and currently serves as an associate master instructor of arthroscopy for the Arthroscopy Association of North America, where he teaches other orthopaedic surgeons about cutting-edge arthroscopic surgical procedures. He is also a fellow of the American Academy of Orthopedic Surgeons. Dr. Nassos maintains an active lifestyle, enjoying hobbies such as running, basketball, and golf. He lives in Los Angeles with his wife, Jenni, his two daughters, and their two dogs.