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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Tarek Bittar, M.D.

Name
Tarek Bittar, M.D.
Status
Active
City
Valencia
Phone
661-253-3399
Subspecialty
Sports Medicine

Taylor A Konkin, M.D.

Name
Taylor A Konkin, M.D.
Status
Active
Medical Group
Orthopedic Associates of Northern CA
City
Chico
Phone
530-897-4500
Subspecialty
Sports Medicine

Taylor R Dunphy, M.D.

Name
Taylor R Dunphy, M.D.
Status
Active
Medical Group
Newport Orthopedic Institute
City
Newport Beach
Phone
949-722-7038
Subspecialty
General

Teodoro Nissen, M.D.

Name
Teodoro Nissen, M.D.
Status
Active
Medical Group
Bay Area Orthopedics
City
Vallejo
Phone
707-645-7210
Subspecialty
Arthritis, Foot/Ankle, General, Hand/Wrist, Hip, Knee, Shoulder/Elbow, Sports Medicine, Total Joint, Trauma, WC Medical-Legal, WC Treatment

Terri Zachos, M.D.

Name
Terri Zachos, M.D.
Status
Resident - 2024
Medical Group
UC Davis - Ortho Dept
City
Sacramento
Phone
916-734-2700
Subspecialty
Arthritis, Foot/Ankle, General, Hand/Wrist, Hip, Knee, Oncology, Pediatrics, Shoulder/Elbow, Spine, Sports Medicine, Total Joint, Trauma

Theodore B. Tanzer, M.D.

Name
Theodore B. Tanzer, M.D.
Status
Inactive
City
Corona Del Mar
Phone
949-903-1830
Subspecialty
Foot/Ankle

Theodore Georgis, Jr., M.D.

Name
Theodore Georgis, Jr., M.D.
Status
Active
Medical Group
Northpoint Medical Consultants
City
San Francisco
Phone
800-513-5059
Subspecialty
Spine, WC Medical-Legal

Theodore Gregorius, M.D.

Name
Theodore Gregorius, M.D.
Status
Active
Medical Group
California Orthopaedic Specialists
City
Newport Beach
Phone
949-759-3600
Subspecialty
Sports Medicine

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

Thomas A. Kula, Jr., M.D.

Name
Thomas A. Kula, Jr., M.D.
Status
Active
City
Los Gatos
Phone
408-378-7240
Subspecialty
Spine, WC Medical-Legal, 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

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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