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 (Tad) Parker Vail, M.D.

Name
Thomas (Tad) Parker Vail, M.D.
Status
Active
Medical Group
UCSF - Orthopaedic Department
City
San Francisco
Phone
415-502-5183
Subspecialty
Hip, Knee, Total Joint

Fayegh Vakili, M.D.

Name
Fayegh Vakili, M.D.
Status
Active
City
Hawthorne
Phone
310-664-3500
Subspecialty
Arthritis, Foot/Ankle, General, Hand/Wrist, Knee, Shoulder/Elbow, Spine, Sports Medicine, Total Joint, Trauma, WC Medical-Legal, WC Treatment

Raymond M. Vance, M.D.

Name
Raymond M. Vance, M.D.
Status
Active
City
San Diego
Phone
858-270-4420
Subspecialty
Foot/Ankle, General, Hand/Wrist, Hip, Knee, Shoulder/Elbow, Sports Medicine, Total Joint, WC Medical-Legal, WC Treatment

Curtis VandenBerg, M.D.

Name
Curtis VandenBerg, M.D.
Status
Active
Medical Group
Children's Hospital Los Angeles
City
Los Angeles
Phone
323-361-2142
Subspecialty
General, Pediatrics

Leo R. Van Dolson, Jr., M.D.

Name
Leo R. Van Dolson, Jr., M.D.
Status
Active
City
Brush Prairie
Phone
530-872-2087
Subspecialty
General, WC Medical-Legal, WC Treatment

Grietje Van Dyk, M.D.

Name
Grietje Van Dyk, M.D.
Status
Semi-Retired
Medical Group
Los Alamitos Orthopaedics
City
Los Alamitos
Phone
562-314-1400
Subspecialty
Arthritis, Foot/Ankle, General, Hand/Wrist, Knee, Shoulder/Elbow, Sports Medicine, Total Joint, Trauma

Jennifer van Warmerdam, M.D.

Name
Jennifer van Warmerdam, M.D.
Status
Active
Medical Group
Dignity Health Medical Foundation
City
San Francisco
Phone
415-221-0665
Subspecialty
General, Hip, Knee, Total Joint

Nicolas Vardiabasis, DO

Name
Nicolas Vardiabasis, DO
Status
Young Orthopedist
Medical Group
ARC Orthopedic Group
City
West Hills
Phone
818-657-5640

Zachary D. Vaughn, M.D.

Name
Zachary D. Vaughn, M.D.
Status
Active
Medical Group
Stanford - Orthopaedic Dept.
City
Los Gatos
Phone
408-866-6651
Subspecialty
Sports Medicine

Evan Vellios, M.D.

Name
Evan Vellios, M.D.
Status
Young Orthopedist
Medical Group
SCOI
City
Van Nuys
Phone
818-901-6600
Subspecialty
Knee, Shoulder/Elbow, Sports Medicine, 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

  • 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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