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 J. Horn, M.D.

Name
Thomas J. Horn, M.D.
Status
Active
Medical Group
Ventura Orthopedics
City
Ventura
Phone
805-641-6415
Subspecialty
General, Hip, Knee, Shoulder/Elbow, Sports Medicine, Total Joint

Timothy J. Rearick, M.D.

Name
Timothy J. Rearick, M.D.
Status
Active
Medical Group
Ventura Orthopedics
City
Thousand Oaks
Phone
805-641-6415
Subspecialty
Foot/Ankle

Jason Mihalcin, D.O.

Name
Jason Mihalcin, D.O.
Status
Active
Medical Group
Visalia Medical Clinic
City
Visalia
Phone
559-738-7550
Subspecialty
General

Jan Eric Henstorf, M.D.

Name
Jan Eric Henstorf, M.D.
Status
Semi-Retired
Medical Group
Washington Township Medical Found.
City
Fremont
Phone
510-248-1040
Subspecialty
Arthritis, General, Hip, Knee, Shoulder/Elbow, Sports Medicine, Total Joint, WC Treatment

Russell M. Nord, M.D.

Name
Russell M. Nord, M.D.
Status
Active
Medical Group
Washington Township Medical Foundation
City
Fremont
Phone
510-248-1040
Subspecialty
Arthritis, General, Hip, Knee, Shoulder/Elbow, Sports Medicine, Total Joint

Joseph Donnelly, Jr., M.D.

Name
Joseph Donnelly, Jr., M.D.
Status
Active
Medical Group
Webster Orthopedics
City
Dublin
Phone
925-362-2166
Subspecialty
Sports Medicine

Stephen R. Viess, M.D.

Name
Stephen R. Viess, M.D.
Status
Active
Medical Group
Webster Orthopedics
City
San Ramon
Phone
925-362-2167
Subspecialty
Sports Medicine

Noah D. Weiss, M.D.

Name
Noah D. Weiss, M.D.
Status
Active
Medical Group
Weiss Orthopaedics
City
Sonoma
Phone
707-935-5600
Subspecialty
Arthritis, Foot/Ankle, General, Hand/Wrist, Knee, Pediatrics, Shoulder/Elbow, Sports Medicine, Total Joint, Trauma, WC Medical-Legal, WC Treatment

Robert Z. Bruckman, M.D.

Name
Robert Z. Bruckman, M.D.
Status
Semi-Retired
Medical Group
Weitz Medical Management
City
San Francisco
Phone
707-763-5200
Subspecialty
General, WC Medical-Legal

Carol C. Frey, M.D.

Name
Carol C. Frey, M.D.
Status
Active
Medical Group
West Coast Center for Ortho Surgery
City
Manhattan Beach
Phone
310-416-9700
Subspecialty
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

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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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