CHOC Docs :: Provider Profile

John C Sun, MD

(949) 679-9000

Otolaryngology (ENT)

Board Certified:

Dr. Sun is on staff at CHOC Children's at Mission Hospital

22 Odyssey
Suite 100
Irvine, CA 92618
phone: (949) 679-9000
fax: (949) 679-9001
map & directions

Orange County Ear, Nose and Throat
24411 Health Center Drive
Suite 600
Laguna Hills, CA 92653
phone: (949) 305-8000
fax: (949) 305-8001
map & directions

Physician Bio

Dr. Sun attended medical school at Washington University. He completed both his internship and his residency at Washington University. Dr. Sun is board certified in Otolaryngology. He also speaks Chinese.


  • Internship
    Barnes Hospital
  • Otolaryngology Residency
    Barnes-Jewish St. Peter’s Hospital
  • Medical School
    Washington University, School of Medicine

Board Certifications

  • Otolaryngology

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UC Irvine

CHOC Children's is affiliated with the UC Irvine School of Medicine