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
    • 2025 Annual Meeting/QME Course
    • Print CME Certificates
    • Future Meetings
    • Past Annual Meetings & QME Courses

COA Member Directory

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Neil Tayyab, M.D.

Name
Neil Tayyab, M.D.
Status
Active
Medical Group
Girard Ortho Surgeons Medical Group
City
San Diego
Phone
858-455-6460
Subspecialty
General, Spine, WC Treatment

Elly Susannah La Roque, M.D.

Name
Elly Susannah La Roque, M.D.
Status
Active
Medical Group
Golden Gate Orthopaedic Surgery/UCSF
City
San Francisco
Phone
415-409-1367
Subspecialty
Knee, Shoulder/Elbow, Sports Medicine, WC Medical-Legal, WC Treatment

Nicholas Colyvas, M.D.

Name
Nicholas Colyvas, M.D.
Status
Active
Medical Group
Golden Gate Sports Medicine
City
San Francisco
Phone
415-409-1367
Subspecialty
Sports Medicine

Ronald B. Perelman, M.D.

Name
Ronald B. Perelman, M.D.
Status
Active
Medical Group
Golden State Sports Injury
City
Northridge
Phone
818-998-8400
Subspecialty
Foot/Ankle, Hand/Wrist, Knee, Shoulder/Elbow, Spine, WC Medical-Legal, WC Treatment

Ben DuBois, M.D.

Name
Ben DuBois, M.D.
Status
Active
Medical Group
Grossmont Orthopaedic Medical Group
City
La Mesa
Phone
619-462-3131
Subspecialty
Shoulder/Elbow, Total Joint, WC Treatment

Peter B. Hanson, M.D.

Name
Peter B. Hanson, M.D.
Status
Active
Medical Group
Grossmont Orthopaedic Medical Group
City
La Mesa
Phone
619-462-3131
Subspecialty
Hip, Knee, Total Joint, WC Treatment

Scott A. Hacker, M.D.

Name
Scott A. Hacker, M.D.
Status
Active
Medical Group
Grossmont Orthopedic Medical Group
City
La Mesa
Phone
619-462-3131
Subspecialty
Knee, Shoulder/Elbow, Sports Medicine, WC Medical-Legal, WC Treatment

Vincent L. Gumbs, M.D.

Name
Vincent L. Gumbs, M.D.
Status
Active
Medical Group
Gumbs Orthopedic Medical Group
City
Encino
Phone
818-701-9211
Subspecialty
General, Sports Medicine, WC Medical-Legal, WC Treatment

Stepan O. Kasimian, M.D.

Name
Stepan O. Kasimian, M.D.
Status
Active
Medical Group
HAAS Spine & Orthopaedics
City
Glendale
Phone
818-500-9286
Subspecialty
Spine, WC Medical-Legal, WC Treatment

Dennis E. Cramer, D.O.

Name
Dennis E. Cramer, D.O.
Status
Active
Medical Group
Haider Spine Center
City
Riverside
Phone
951-413-0200
Subspecialty
Spine
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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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