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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J. Dominic Femino, M.D.

Name
J. Dominic Femino, M.D.
Status
Active
Medical Group
City of Hope National Medical Ctr
City
Duarte
Phone
626-471-7100
Subspecialty
Oncology

Jack O. Piasecki, M.D.

Name
Jack O. Piasecki, M.D.
Status
Semi-Retired
Medical Group
Optimal Orthopedic Medical Group
City
Tustin
Phone
714-508-1112
Subspecialty
General, WC Medical-Legal, WC Treatment

Jacob A Spencer, DO

Name
Jacob A Spencer, DO
Status
Active
Medical Group
STAR Orthopaedics
City
Palm Desert
Phone
760-972-4580
Subspecialty
Knee, Shoulder/Elbow, Sports Medicine

Jacob Bobman, M.D.

Name
Jacob Bobman, M.D.
Status
Young Orthopedist
City
Covina
Subspecialty
Hip, Knee, Total Joint

Jacob Bobman, M.D.

Name
Jacob Bobman, M.D.
Status
Young Orthopedist
City
Los Angeles
Phone
323-226-7346
Subspecialty
General

Jacqueline Nguyen, M.D.

Name
Jacqueline Nguyen, M.D.
Status
Young Orthopaedist
City
Napa
Subspecialty
Foot/Ankle, General

Jacqueline T. Lezine-Hanna, M.D.

Name
Jacqueline T. Lezine-Hanna, M.D.
Status
Active
Medical Group
Los Angeles Sports Medicine
City
Lawndale
Phone
310-683-0723
Subspecialty
General, Hand/Wrist, Trauma, WC Medical-Legal, WC Treatment

Jae H. Chon, M.D.

Name
Jae H. Chon, M.D.
Status
Active
Medical Group
Cedars-Sinai Kerlan-Jobe Institute
City
Los Angeles
Phone
310-665-5273
Subspecialty
Spine

Jaicharan J. Iyengar, M.D.

Name
Jaicharan J. Iyengar, M.D.
Status
Active
Medical Group
Alpine Orthopaedic Medical Group
City
Stockton
Phone
209-948-3333
Subspecialty
Sports Medicine

Jai Huang Lee, M.D.

Name
Jai Huang Lee, M.D.
Status
Semi-Retired
City
Los Angeles
Phone
213-380-0028
Subspecialty
General, Hand/Wrist, Hip, Knee, Pediatrics, Shoulder/Elbow, Sports Medicine, Total Joint, Trauma
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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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