Copyright © 2007 - 2011
Mathias Masem, M.D.
All Rights Reserved


Our Doctors

Bay Area Hand Surgery Associates provides hand and upper extremity care to patients residing in the San Francisco Bay Area. Our physicians are highly trained and Board Certified. They are actively involved with continuing education accreditation as well as in clinical research to ensure orr patients with the latest advancements in the treatment of hand and upper extremity injuries and disorders. Before you come to Bay Area Hand Surgery Associates, we would like to introduce you to our medical team.


Mathias Masem, M.D.

Kelly Weissburg, RN NP

For more information regarding the specialty of hand and upper extremity surgery, please read "Why visit a Hand Surgeon?" and "What is Hand Surgery?"