Meet our care team.
Seventeen orthopedic surgeons, four podiatrists, nineteen nurse practitioners and physician assistants, and a chiropractor, coordinated across eight Los Angeles-area offices. Subspecialty care from knee and hip to spine, hand, foot, sports medicine, pain management, and pediatric orthopedics.

See a specialist this week
Board-certified surgeons and podiatrists across eight Los Angeles area neighborhoods.
Key takeaways
- 17 orthopedic surgeons + 4 podiatrists + 19 nurse practitioners and PAs + 1 chiropractor.
- Founded in 2007 by Dr. Kevin Pelton. Now serving Greater Los Angeles across eight offices.
- Subspecialty care across knee, hip, shoulder, spine, hand, foot, sports medicine, pain management, and pediatric orthopedics.
- All physicians board-certified; surgical team fellowship-trained in their subspecialty.
FAQ.
- Browse providers by specialty on this page, or call (323) 264-7600 and our team will route you to the right specialist based on your symptoms and history.
Board-certified orthopedic surgeons.
Accepting new patients
Daniel Acevedo, MD
Shoulder & Elbow Specialist
Speaks English and Spanish
Habla español
- Encino
- Thousand Oaks
Accepting new patients
David Barba, MD
Orthopedic Surgeon
Speaks English and Spanish
Habla español
- Wilshire
- East Los Angeles
Accepting new patients
Erik Dworsky, MD
Hip and Knee Specialist · East LA
Speaks English and Spanish
Habla español
- Santa Fe Springs
Accepting new patients
Hayk Stepanyan, MD
Total Joint & Sports Medicine
- Glendale
- Santa Fe Springs
- East Los Angeles
Accepting new patients
Jose Antonio Acosta, MD
Pain Management Specialist · Compassionate Care
Speaks English and Spanish
Habla español
- Glendale
- Encino
- Valencia
- +1 more
Accepting new patients
Michael Perrone, MD
Foot & Ankle and Sports Medicine Orthopedic Specialist
- Wilshire
- Santa Fe Springs
- East Los Angeles
Accepting new patients
Siamak Yasmeh, MD
Orthopedic Spine Surgeon
- Glendale
- Santa Fe Springs
- Tarzana
- +1 more
Foot & ankle specialists.
Skilled clinical support.
Accepting new patients
Annie Yang, PA-C
Orthopedic Physician Assistant
- Santa Fe Springs
- East Los Angeles
Accepting new patients
Anthony Limon, PA-C
Orthopedic Physician Assistant
Speaks English and Spanish
Habla español
- Wilshire
- Santa Fe Springs
- East Los Angeles
Accepting new patients
Breanna Potenciano, PA-C
Orthopedic Physician Assistant
- Glendale
- Santa Fe Springs
- East Los Angeles
Accepting new patients
Daniel Rivas-Tejeda, PA-C
Orthopedic Physician Assistant
- Santa Fe Springs
- East Los Angeles
Accepting new patients
David Moriel, NP
Orthopedic Nurse Practitioner
Speaks English and Spanish
Habla español
- Santa Fe Springs
- East Los Angeles
Accepting new patients
Emily Ngov, PA-C
Orthopedic Physician Assistant
Speaks English and Khmer
- Glendale
- Santa Fe Springs
- East Los Angeles
Accepting new patients
Felipe Nunez, PA-C
Orthopedic Physician Assistant
Speaks English and Spanish
Habla español
- East Los Angeles
Accepting new patients
Jazmin Bermudez, PA-C
Orthopedic Physician Assistant
- Glendale
- Encino
- Valencia
- +1 more
Accepting new patients
Orlando Campos, PA-C
Orthopedic Physician Assistant
Speaks English and Spanish
Habla español
- Santa Fe Springs
Accepting new patients
Sydney Chung, PA-C
Orthopedic Physician Assistant
- East Los Angeles
- Wilshire
- Santa Fe Springs
- +5 more
Accepting new patients
Timothy Acheson, PA-C
Orthopedic Physician Assistant
- East Los Angeles
- Wilshire
- Santa Fe Springs
- +5 more
Accepting new patients
Whitty Li, PA-C
Hand & Wrist Physician Assistant
- Wilshire
- Santa Fe Springs
- East Los Angeles
Manual therapy & spinal alignment.
Find your specialist.
Browse provider profiles to see specialty, locations, and bio. Same-day appointments available at most LAOSS offices.









































