Dr. John C. Sun, Otolaryngology (ENT)

Dr. John C. Sun, Otolaryngology (ENT)

  • John C Sun MD
  • Appointments:
  • Specialty: Otolaryngology (ENT)
  • Board Certified: Otolaryngology
  • Additional Languages: Chinese

Dr. Sun attended medical school at Washington University in St. Louis. He also completed both his internship and residency at Washington University. He completed a fellowship in Head and Neck Oncology at the University of North Carolina. He is board certified by the American Board of Otolaryngology.

John C Sun MD is on staff at CHOC Mission Hospital.


Orange County Ear, Nose and Throat
24411 Health Center Dr, Suite 600
Laguna Hills, CA 92653
phone: 949-305-8000
fax: 949-305-8001

22 Odyssey, Suite 100
Irvine, CA 92618
phone: 949-679-9000
fax: 949-679-9001


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