Congratulations to Dr. Samuel Koo for making the list of the top 9 orthopedic surgeons in Seattle!
Shoulder Impingement: When Everyday Arm Movements Become Painful
Samuel S. Koo MD MPH
January 7, 2026
Dr. Koo Featured in Top Doctors 2018 Article
Recent Posts
Labral Tears: A Hidden Cause of Shoulder Pain and Instability
Samuel S. Koo MD MPH
December 12, 2025
Understanding Frozen Shoulder: What to Know About Adhesive Capsulitis
Samuel S. Koo MD MPH
October 31, 2025
What’s the Difference Between a Partial and Full Rotator Cuff Tear?
Samuel S. Koo MD MPH
September 30, 2025