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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William B. Krissoff, M.D.

Name
William B. Krissoff, M.D.
Status
Inactive
City
Rancho Sante Fe
Subspecialty
Sports Medicine

William L. Hennrikus, M.D.

Name
William L. Hennrikus, M.D.
Status
Semi-Retired
City
Coronado
Phone
559-313-0554
Subspecialty
Pediatrics, Sports Medicine

William P. Curran, Jr., M.D.

Name
William P. Curran, Jr., M.D.
Status
Semi-Retired
City
San Diego
Phone
858-268-2224
Subspecialty
WC Medical-Legal

Winnie A. Palispis, M.D.

Name
Winnie A. Palispis, M.D.
Status
Young Orthopedist
City
Newport Beach
Phone
951-522-9324

Patrick Guerrero, DO

Name
Patrick Guerrero, DO
Status
Active
Medical Group
Active Orthopaedic Medical Group
City
Turlock
Phone
209-216-5900
Subspecialty
General, Sports Medicine

Afshin Aminian, M.D.

Name
Afshin Aminian, M.D.
Status
Active
Medical Group
Adult and Pediatric Ortho Specialists
City
Orange
Phone
714-633-2111
Subspecialty
Pediatrics

Carl R. Weinert, Jr., M.D.

Name
Carl R. Weinert, Jr., M.D.
Status
Active
Medical Group
Adult and Pediatric Ortho Specialists
City
Orange
Phone
714-633-2111
Subspecialty
Pediatrics

Francois D. Lalonde, M.D.

Name
Francois D. Lalonde, M.D.
Status
Active
Medical Group
Adult and Pediatric Ortho Specialists
City
Orange
Phone
714-633-2111
Subspecialty
Hip, Pediatrics

Jeffrey L. Dobyns, M.D.

Name
Jeffrey L. Dobyns, M.D.
Status
Active
Medical Group
Adult and Pediatric Ortho Specialists
City
Orange
Phone
714-633-2111
Subspecialty
General

John Schlechter, D.O.

Name
John Schlechter, D.O.
Status
Active
Medical Group
Adult and Pediatric Ortho Specialists
City
Orange
Phone
714-633-2111
Subspecialty
Pediatrics, 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

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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