Meet DoctorSean S.
Rajaee, MD

Associate Professor of Orthopaedic Surgery
Chief, Arthroplasty
Director, Arthroplasty Fellowship

Dr. Sean S. Rajaee is an Orthopaedic Surgeon specializing in hip and knee replacements, with a strong clinical and research interest in advancing technologies within total joint arthroplasty. Following his fellowship at Harvard University Brigham and Women’s Hospital, Dr. Rajaee joined the prestigious Cedars-Sinai Department of Orthopaedic Surgery, ranked #1 in California and #3 in the country by the US News and World Report. In 2025, Dr. Rajaee was selected to serve as Chief of Arthroplasty at Cedars-Sinai Medical Center, where he also directs the Arthroplasty Fellowship.

Leo G. Rigler M.D.
Award
Professor Ernest Grable, M.D.
Surgical Award
Dean’s Award for
Academic Achievement
California Orthopaedic Association
OREF Research Paper Award

                                    Over5500
                                            Improved Lives
Over2350
                                            Joint Reconstructions
Over1200
                                            Knee Replacements
Over1150
                                            Hip Replacements

                                

Specialties

Offering treatment for a wide range of hip and knee disorders, including arthritis, cartilage damage, meniscus tears, ligament injury, wear and loosening of implants, and post-traumatic conditions.

The surgery combines advanced robotic technology with a tissue-preserving surgical approach designed to protect the structures that support your knee. Dr. Sean Rajaee, MD carefully works around your natural anatomy, operating between muscles and alongside soft tissue planes to minimize disruption.

Img-Minimally Invasive Hip & knee Surgery

The surgery focuses on restoring mobility while protecting the muscles that support your hip. Instead of detaching or cutting major muscle groups, Dr. Sean Rajaee, MD works between natural muscle intervals...

Dr. Rajaee's precision and unwavering dedication transformed my hip surgery journey. In a matter of weeks, discomfort gave way to pain-free walking.

~ BruceTotal Hip Patient

Best of the best Dr.Rajaee. Unbelievable experience on my hip replacement with Dr.Sean and all the staff he works with. Weird to say I can't wait for my left one to go-will be going back to him if it does for sure. My 4 hour drive to Los Angeles 5 times in total totally worth it. From the pre op to ...~ R D ~
Very Professional. Excellent talented orthopedic surgeon. Dr Rajaee did my R. Knee replacement. I went home after 5 hours, my postoperative course was smooth. High recommended! from a 80 years old patient.~ A A ~
From my initial appointment to my surgery and post surgical follow up, Dr. Rajaee's team at Cedars is the best you will have the privilege to work with, do not be in pain a day longer, reach out to Dr. Rajaee today.~ S M ~
Went through a similar surgery on the opposite hip prior to this. Dr Rajaee and the staff at cedars were amazing and made the whole process leading up to and after go so smoothly. The attention I received was amazing and on top of that every single person I encountered was kind and knowledgeable mak...~ J B ~
From start to finish everything went just as described in the booklet presented. I was ambulatory the day of surgery and walking unassisted, without pain by the 4th week.~ C K ~

Personalized Approach

As a Harvard-trained and board-certified orthopedic surgeon, Dr. Rajaee meticulously tailors treatments to your individual needs. Expect not only compassionate care and expeditious recovery, but also the highest level of excellence in your outcome.
Technical Precision

Top surgical precision achieved through state-of-the-art technology, ensuring the utmost technical excellence in each procedure including robotics and computer navigation techniques.
Accelerated Healing

Experience accelerated healing as we prioritize rapid recovery protocols so you can swiftly get back to the daily activities and life that you love, with a renewed sense of vitality.

Stay informed with the latest news, press releases, and research updates from Dr. Rajaee:

Treating Common Arthritis Pain: What Can Work, What to Avoid

December 1, 2022

Read More about Treating Common Arthritis Pain
A Life in Rhythm: good medicine is a joint effort for this Doctor

November 14, 2022

Read More about A Life in Rhythm

View All News

Board Certified Orthopaedic SurgeonSpecializing in Hip & Knee Replacements

Meet DoctorSean S. Rajaee, MD

Board Certified Orthopaedic SurgeonSpecializing in
Hip & Knee Replacements

Meet DoctorSean S.
Rajaee, MD