Adam A. Sassoon M.D., M.S.

Adam A. Sassoon M.D., M.S.

Specialties and Expertise

Orthopaedics (Hip), Orthopaedics (Knee), Orthopedic Surgery, Traumatology


Hip & Knee Center, Sports Spine & Orthopedic Health




Hip & Knee Center at Northwest Outpatient Medical Center

Northwest Outpatient Medical Center 10330 Meridian Ave. N, Suite 270
Seattle, WA 98133
Phone: 206.520.5000|Map It 

Hip & Knee Center at Eastside Specialty Center

3100 Northup Way
Bellevue, WA 98004
Phone: 206.520.5000|Map It 


Dr. Adam Sassoon is a dual-fellowship trained orthopedic surgeon with expertise in joint preservation, joint replacement and orthopedic trauma. Dr. Sassoon currently focuses his clinical efforts on revision and primary total joint replacement of the hip and knee, partial joint replacement, hip resurfacing, hip arthroscopy, hip preservation procedures (periacetabular osteotomies and surgical dislocations), and post-traumatic reconstruction. Dr. Sassoon completed his orthopedic surgery residency at the Mayo Clinic in Rochester, MN. While in residency, he also completed a master’s degree in biomedical science based on work focusing on tissue engineering using adult derived stem cells. He was given the H.A. Peterson Award for scholarly writing, and was a finalist for the Patrick J. Kelly Research Award for works completed during this time. Additionally, he was the first individual to be awarded three separate Mayo International Health Program Grants for orthopedic outreach in Central America performed while in residency. Following residency, Dr. Sassoon completed an orthopedic traumatology fellowship at Orlando Regional Medical Center and a subsequent fellowship in hip and knee preservation, resurfacing and replacement at Washington University in St. Louis. During these two years, Dr. Sassoon performed and assisted in over 1500 surgeries. In addition to time spent caring for his patients, Dr. Sassoon has also devoted himself to advancing the field of orthopedic surgery and has contributed over 20 original, peer-reviewed, scientific articles to the medical literature and authored multiple book chapters in orthopedic surgical texts. His research has also been showcased in regional and national orthopedic scientific meetings on over 40 occasions. Dr. Sassoon is a member of the American Academy of Orthopedic Surgeons, American Association of Hip and Knee Surgeons, Orthopedic Trauma Association, Orthopedic Research Society, International Congress for Joint Reconstruction, Mid-America Orthopedic Association, Alpha Omega Alpha and Phi Beta Kappa.

Patient Care Philosophy

“The best interest of the patient is the only interest to be considered,” a quote from William J. Mayo is one that has resonated with Dr. Sassoon since he began his training. Dr. Sassoon treats each patient with respect to their individual needs and goals in an attempt to maximize their outcomes from a biological, psychological and social standpoint. Dr. Sassoon takes great pride in directing the efforts of a multidisciplinary team in the restoration of patient comfort, mobility and independence, so his patients can get back to enjoying their lives, families and friends.

Personal Interests

Adam married his college sweetheart while in residency. They now have two girls and enjoy spending time outdoors, listening to music, reading and following the Dodgers

Clinical Interests

Primary/revision hip and knee arthroplasty; post-traumatic reconstruction of the hip and knee; hip preservation; geriatric fracture care.

Research Interests

Clinical outcomes following revision hip and knee arthroplasty; patient expectations following hip and knee arthroplasty; cost-effectiveness of orthopedic; technology; health care policy; metal sensitivity in arthroplasty; periprosthetic; fracture care.


Keck School of Medicine USCMedical education2007
Mayo ClinicInternshipOrthopaedic Surgery
Mayo ClinicResidencyOrthopaedic Surgery
Mayo School of Graduate Medical EducationMaster
Orlando Regional Medical CenterFellowshipOrthopaedic Trauma
Washington University in St. LouisFellowship


Board Certifications

American Board of Orthopaedic SurgeryOrthopaedic Surgery2016
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