California Orthopaedic Association

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Morgan D. Silldorff, M.D.

Name
Morgan D. Silldorff, M.D.
Status
Active
Medical Group
Orthopedic Specialists of North County
City
Oceanside
Phone
760-724-9000
Subspecialty

Serena Young-Nguyen, M.D.

Name
Serena Young-Nguyen, M.D.
Status
Active
Medical Group
Orthopedic Specialties Associates
City
Long Beach
Phone
562-426-9890
Subspecialty

Travis Loidolt, DO

Name
Travis Loidolt, DO
Status
Active
Medical Group
Orthopedic Specialty of Northern CA
City
Folsom
Phone
916-800-4685
Subspecialty

Paul K. Gilbert, M.D.

Name
Paul K. Gilbert, M.D.
Status
Active
Medical Group
Orthopedic Surgical Operations
City
Glendale
Phone
818-658-5920
Subspecialty
,

Matthew Pifer, M.D.

Name
Matthew Pifer, M.D.
Status
Active
Medical Group
Orthopedic Surgical Practice
City
Santa Barbara
Phone
805-967-9311
Subspecialty
,

Paul R. Gregory, Jr., M.D.

Name
Paul R. Gregory, Jr., M.D.
Status
Active
Medical Group
Orthopedic Trauma Surgeons of N. CA
City
Carmichael
Phone
916-536-9455
Subspecialty

Anthony A. Sanchez, M.D.

Name
Anthony A. Sanchez, M.D.
Status
Active
Medical Group
Ortho Specialties of Spartanburg, LLC
City
Spartanburg
Phone
864-208-8800
Subspecialty
,

Gabriel Garcia-Diaz, M.D.

Name
Gabriel Garcia-Diaz, M.D.
Status
Active
Medical Group
Ortho Spine Advance Health
City
Merced
Phone
209-349-8429
Subspecialty
,

Jeffrey Mark Smith, M.D.

Name
Jeffrey Mark Smith, M.D.
Status
Active
Medical Group
Ortho Trauma & Fracture Specialists
City
San Diego
Phone
858-278-8031
Subspecialty

Trong Bao Nguyen, M.D.

Name
Trong Bao Nguyen, M.D.
Status
Active
Medical Group
OSSP Center
City
Fountain Valley
Phone
714-861-4888
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
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April 1 – 4, 2027
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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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