California Orthopaedic Association

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  • Home
  • About COA
    • Origin & History
    • Mission
    • Bylaws
    • COA Board of Directors – Committee Chairs – Roster
    • Advertising
    • Staff
    • Contact/Forms
  • Membership
    • Join COA
    • Members
    • COA Member Directory
    • Member Discounts
    • Residents
    • Job Bank
    • Expense Form
  • Annual Meeting/QME Course
    • 2026 Annual Meeting/QME Course
    • Print CME Certificates
    • Future Meetings
    • Past Annual Meetings & QME Courses

COA Member Directory

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Charles R. Young, M.D.

Name
Charles R. Young, M.D.
Status
Active
Medical Group
Facey Medical Group
City
Valencia
Phone
310-481-2400
Subspecialty
General, Knee, Shoulder/Elbow, Sports Medicine, Total Joint, Trauma

Jeffrey L. Young, M.D.

Name
Jeffrey L. Young, M.D.
Status
Active
Medical Group
Stanford - Orthopaedic Dept.
City
Redwood City
Phone
650-721-2033
Subspecialty
Pediatrics

Serena Young-Nguyen, M.D.

Name
Serena Young-Nguyen, M.D.
Status
Active
Medical Group
Orthopedic Specialties Associates
City
Long Beach
Phone
562-426-9890
Subspecialty
General

Edward W. Younger III, M.D.

Name
Edward W. Younger III, M.D.
Status
Semi-Retired
City
Gold River
Phone
916-863-7301
Subspecialty
General, Hip, Knee, Shoulder/Elbow, Total Joint

Leisure Yu, M.D.

Name
Leisure Yu, M.D.
Status
Semit Retired
Medical Group
Leisure Yu, M.D., Inc
City
Redlands
Phone
909-214-2105
Subspecialty
Arthritis, Foot/Ankle, General, Hand/Wrist, Hip, Knee, Oncology, Shoulder/Elbow, Sports Medicine, Total Joint, WC Medical-Legal, WC Treatment

Terri Zachos, M.D.

Name
Terri Zachos, M.D.
Status
Resident - 2024
Medical Group
UC Davis - Ortho Dept
City
Sacramento
Phone
916-734-2700
Subspecialty
Arthritis, Foot/Ankle, General, Hand/Wrist, Hip, Knee, Oncology, Pediatrics, Shoulder/Elbow, Spine, Sports Medicine, Total Joint, Trauma

Christopher A. Zahiri, M.D.

Name
Christopher A. Zahiri, M.D.
Status
Active
Medical Group
Intl. Orthopedic Center for Joint Disorders
City
Los Angeles
Phone
310-659-7414
Subspecialty
Hand/Wrist, Shoulder/Elbow, WC Treatment

Matthew R. Zapf, M.D.

Name
Matthew R. Zapf, M.D.
Status
Young Orthopaedist
Medical Group
Institute of Orthopedics & Neurosciences
City
Palm Springs
Phone
760-416-4511
Subspecialty
Hip, Knee, Shoulder/Elbow, Sports Medicine, Trauma

Raymond Zarins, M.D.

Name
Raymond Zarins, M.D.
Status
Inactive
Medical Group
Arrowhead Evaluation Services
City
Redlands
Phone
909-335-2323
Subspecialty
General, Spine, WC Medical-Legal

David W. Zeltser, M.D.

Name
David W. Zeltser, M.D.
Status
Active
Medical Group
Permanente Med Group - Ortho Dept.
City
S. San Francisco
Phone
510-847-6494
Subspecialty
Hand/Wrist
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Annual Meeting/QME Course

2026 Annual Meeting
Hilton Santa Barbara Beachfront Resort
April 16 – 19, 2026

Upcoming COA Events

  • Thu
    16
    Apr
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    Apr
    2026

    2026 Annual Meeting/QME Course

    Hilton Santa Barbara Beachfront Resort

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California Orthopaedic Association
1246 P Street
Sacramento, CA 95814

Phone: 916-454-9884
Fax: 916-454-9882
Email: admin@coa.org

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