Board-Certified Orthopaedic Surgeon
William Sima, M.D., FAAOS
Orthopaedic Surgeon & Sports Medicine Specialist
Locations: Templeton, California
Specialties: Hip, Knee & Shoulder Replacement • Sports Medicine • Orthobiologics
About Dr. Sima
Dr. William Sima is a board-certified Orthopaedic Surgeon and Sports Medicine Specialist with more than 20 years of experience caring for patients on the Central Coast. He completed his undergraduate degree, medical school, and orthopedic surgery residency at the University of Southern California.
Dr. Sima is a Fellow of the American Academy of Orthopaedic Surgeons (FAAOS)—a distinction that identifies orthopedic surgeons as leaders in musculoskeletal health and reflects a commitment to advanced training, clinical excellence, and ongoing professional development.
Clinical Interests
Dr. Sima has a keen ability to diagnose orthopedic injuries and tailor the best course of treatment for each patient. His areas of expertise include:
- Minimally invasive hip replacement using the anterior approach Trained directly under Dr. Joel Matta, a global pioneer of the technique.
- Outpatient minimally invasive knee and shoulder replacement surgery
- Nonsurgical orthobiologic therapies
Including ultrasound-guided injections for precision and improved outcomes.
Philosophy of Care
Dr. Sima believes in patient-centered, evidence-based care delivered with professionalism, compassion, and clear communication. His goal is always to restore mobility, reduce pain, and help patients return to the activities they love.
Personal Interests
Outside his practice, Dr. Sima enjoys photography, traveling, and spending quality time with his family.
Dr. Sima in the news
SLO NewTimes: Home by dinner: Dr. Sima offers orthopedic replacement surgeries without overnight stay
