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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Thomas W. Axelrad, M.D.

Name
Thomas W. Axelrad, M.D.
Status
Active
Medical Group
Santa Rosa Orthopaedic Medical Group
City
Santa Rosa
Phone
707-546-1897
Subspecialty
General, Hip, Total Joint, Trauma, WC Treatment

Peter B.A. Pappas, M.D.

Name
Peter B.A. Pappas, M.D.
Status
Active
Medical Group
Santa Rosa Spine Institute
City
Santa Rosa
Phone
707-523-2381
Subspecialty
Spine, WC Medical-Legal

Richard D. Scheinberg, M.D.

Name
Richard D. Scheinberg, M.D.
Status
Active
Medical Group
Scheinberg Orthopaedic Group
City
Santa Barbara
Phone
805-682-1394
Subspecialty
General

Kai U. Mazur, M.D.

Name
Kai U. Mazur, M.D.
Status
Active
Medical Group
SCOAPS
City
Santa Rosa
Phone
707-237-3410
Subspecialty
General, Hand/Wrist, Shoulder/Elbow, WC Treatment

Babak Barcohana, M.D.

Name
Babak Barcohana, M.D.
Status
Active
Medical Group
SCOI
City
Van Nuys
Phone
818-901-6600
Subspecialty
Spine, WC Treatment

Brian S. Grossman, M.D.

Name
Brian S. Grossman, M.D.
Status
Active
Medical Group
SCOI
City
Thousand Oaks
Phone
805-578-8550
Subspecialty
Pediatrics, Spine, WC Medical-Legal, WC Treatment

Carlos A. Guanche, M.D.

Name
Carlos A. Guanche, M.D.
Status
Active
Medical Group
SCOI
City
Van Nuys
Phone
818-901-6600
Subspecialty
Knee, Shoulder/Elbow, Sports Medicine, WC Treatment

Christopher D. Hamilton, M.D.

Name
Christopher D. Hamilton, M.D.
Status
Active
Medical Group
SCOI
City
Bakersfield
Phone
661-328-5565
Subspecialty
Knee, Shoulder/Elbow, Sports Medicine, WC Treatment

David M. Auerbach, M.D.

Name
David M. Auerbach, M.D.
Status
Active
Medical Group
SCOI
City
Van Nuys
Phone
818-901-6600
Subspecialty
Hand/Wrist, Shoulder/Elbow, Trauma

Deborah Castaneda, M.D.

Name
Deborah Castaneda, M.D.
Status
Active
Medical Group
SCOI
City
Simi Valley
Phone
805-578-8550
Subspecialty
Foot/Ankle, WC Treatment
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Annual Meeting/QME Course

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

Upcoming COA Events

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

April 1 – 4, 2027
2027 Annual Meeting/QME Course
Renaissance Esmeralda Resort and Spa
Indian Wells, CA (Palm Springs area)

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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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