California Orthopaedic Association

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COA Member Directory

David M. Contreras, M.D.

Name
David M. Contreras, M.D.
Status
Active
Medical Group
Muir Orthopaedic Specialists, Inc.
City
Walnut Creek
Phone
925-939-8585
Subspecialty

David Nelles, M.D.

Name
David Nelles, M.D.
Status
Active
Medical Group
Muir Orthopaedic Specialists, Inc.
City
Walnut Creek
Phone
925-939-8585
Subspecialty

David Oji, M.D.

Name
David Oji, M.D.
Status
Active
Medical Group
Stanford - Orthopaedic Department
City
Redwood City
Subspecialty

David R. Hackley, M.D.

Name
David R. Hackley, M.D.
Status
Active
Medical Group
Torrey Pines Orthopaedic Medical Group
City
La Jolla
Phone
858-535-1075
Subspecialty
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David R. McAllister, M.D.

Name
David R. McAllister, M.D.
Status
Active
Medical Group
UCLA - Orthopaedic Department
City
Los Angeles
Phone
310-319-1234
Subspecialty
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David S. Chang, M.D.

Name
David S. Chang, M.D.
Status
Active
Medical Group
Bay Area Sports Orthopaedics
City
Oakland
Phone
510-834-2276
Subspecialty
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David S. Kim, M.D.

Name
David S. Kim, M.D.
Status
Active
Medical Group
Orthopaedic Medical Group of Santa Ana
City
Tustin
Phone
714-508-4123
Subspecialty
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David Scott Bethune, M.D.

Name
David Scott Bethune, M.D.
Status
Active
Medical Group
Sutter Gould Medical Group
City
Stockton
Phone
209-948-1641
Subspecialty
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David W. Lowenberg, M.D.

Name
David W. Lowenberg, M.D.
Status
Active
Medical Group
Stanford - Orthopaedic Dept.
City
Redwood City
Subspecialty

David W. Zeltser, M.D.

Name
David W. Zeltser, M.D.
Status
Active
Medical Group
Permanente Med Group - Ortho Dept.
City
S. San Francisco
Phone
510-847-6494
Subspecialty
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Annual Meeting/QME Course

2026 Annual Meeting
Hilton Santa Barbara Beachfront Resort
April 16 – 19, 2026

Upcoming COA Events

April 16 – 19, 2026
2026 Annual Meeting/QME Course
Hilton Santa Barbara Beachfront Resort

April 1 – 4, 2027
2027 Annual Meeting/QME Course
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Indian Wells, CA (Palm Springs area)

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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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