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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Geoffrey P. Wiedeman, M.D.

Name
Geoffrey P. Wiedeman, M.D.
Status
Semi-Retired
Medical Group
Hand Surgery Associates
City
Sacramento
Phone
916-731-7807
Subspecialty
Hand/Wrist, Shoulder/Elbow

John M. Wiemann, M.D.

Name
John M. Wiemann, M.D.
Status
Active
Medical Group
Central CA Faculty Medical Group
City
Fresno
Subspecialty
Pediatrics, Spine, Sports Medicine

Harvey R. Wieseltier, M.D.

Name
Harvey R. Wieseltier, M.D.
Status
Semi-Retired
City
San Diego
Phone
858-866-6286
Subspecialty
General, WC Medical-Legal

Charles E. Wilhite, M.D.

Name
Charles E. Wilhite, M.D.
Status
Active
Medical Group
Orthopedic Associates of Northern CA
City
Chico
Phone
530-897-4500
Subspecialty
General, Sports Medicine, Total Joint

Don T. Williams, M.D.

Name
Don T. Williams, M.D.
Status
Semi-Retired
City
Salinas
Phone
831-663-6577
Subspecialty
Knee, Pediatrics, Shoulder/Elbow, Sports Medicine, Total Joint, Trauma, WC Medical-Legal

Joan R. Williams, M.D.

Name
Joan R. Williams, M.D.
Status
Active
Medical Group
Kaiser Permanente - San Diego
City
San Diego
Subspecialty
Foot/Ankle

Darryl A. Willoughby, M.D.

Name
Darryl A. Willoughby, M.D.
Status
Active
Medical Group
California Orthopedic Institute
City
Torrance
Phone
310-968-6012
Subspecialty
Foot/Ankle, Sports Medicine, Trauma

Christopher J. Wilson, M.D.

Name
Christopher J. Wilson, M.D.
Status
Active
Medical Group
Hand Surgery Associates
City
Sacramento
Phone
916-457-4263
Subspecialty
Arthritis, Hand/Wrist, Shoulder/Elbow, Sports Medicine, Total Joint, Trauma, WC Medical-Legal, WC Treatment

Peter J. Wilton, M.D.

Name
Peter J. Wilton, M.D.
Status
Young Orthopaedist
Medical Group
Arrowhead Orthopaedics
City
Chino Hills
Subspecialty
General

Roland H. Winter, M.D.

Name
Roland H. Winter, M.D.
Status
Active
Medical Group
Alpine Orthopaedic Medical Group
City
Stockton
Phone
209-948-3333
Subspecialty
General, Sports Medicine
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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
    2026
    Sun
    19
    Apr
    2026

    2026 Annual Meeting/QME Course

    Hilton Santa Barbara Beachfront Resort

Get in Touch With Us

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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