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Total Joint Center Surgical Team

Total Joint Center Orthopedic Surgeons

Orthopedic surgeons at the Saint Francis Memorial Hospital Total Joint Center are experts in the field of orthopedic surgery and joint replacement surgery. Orthopedic surgeons deliver top-quality joint care, including some of the latest surgical techniques such as anterior approach hip replacement surgery, and robotic partial knee replacement surgery.

Learn more about our outstanding team of surgical professionals. 


 Nicholas Mast, MD




Victor Prieto, MD 





Dominic Tse, MD





John Velyvis, MD

Total Joint Center Team of Health Professionals

This comprehensive team of health professionals work together to provide you with top-quality medical and surgical care at the Total Joint Center.

an orthopedic surgeon wishing to pursue advanced training in a technique or area of interest. The fellow is under direct supervision of the treating physician, and may assist in examinations, in-hospital care, surgery, and research.

Anestheiologists: Performs all anesthesia procedures. 

Hospital Staff Nurse: Attends to your daily needs and dispenses medication while in-hospital.

Physician Assistant (PA): Conducts patient and family contact prior to surgery, assists in in-hospital care, surgery and is readily available to answer questions about medications, rehabilitation, or concerns around the time of surgery.

Physical Therapist: Works with you to regain joint motion and muscle strength and helps you to ambulate with or without assistive devices (crutches, walker, cane, wheelchair).

Hospitalists: Internal Medicine specialists who perform complete medical evaluations around the time of surgery. They participate in in-hospital management of medications, fluids, antibiotics, pain management, and blood thinners.

Office Manager: Office administration, may answer questions about Total Joint Center billing and administrative issues.

Surgery Scheduler/Authorizations: Facilitates the authorization and scheduling of your surgery.

Medical Assistant: Facilitates scheduling of radiographs and procedures. Assists in the completion of forms and disability paperwork.

Financial Counselor: Can provide financial arrangements and information regarding cost of hospital stay and insurance coverage. They can be reached at 415-353-6140.

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Saint Francis Memorial Hospital
900 Hyde St
San Francisco, CA 94109
(415) 353-6000