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About St. Joseph Health

SJH provides a full range of care facilities including 16 acute care hospitals, home health agencies, hospice care, outpatient services, skilled nursing facilities, community clinics and physician groups. All of our hospital and home health entities are accredited by the Joint Commission. In our award-winning facilities, SJH maintains a "continuum of care," matched to the diverse needs of the urban centers, smaller cities and rural communities who depend on us every day.

Charles Oh, MD

  • Otolaryngology
    (Board Certified)
Additional Language Spoken
2552 Walnut Avenue
Suite 130
Tustin, CA 92780
Accepting New Patients

Primary Office

2552 Walnut Avenue
Suite 130
Tustin, CA 92780
Get Directions
(714) 508-1600
(714) 665-8304
Mon - Fri: 9 a.m. - 5 p.m.

More Information

  • Meet The Doctor

    Specialties & Education

    Primary Specialties
    • Otolaryngology
      (Board Certified)
    Education & Training
    • Medical School
      Wayne State University - 1996
    • Internship
      Loyola University - 1997
    • Residency
      Loyola University
    Areas of Interest

    Otolaryngologic Allergy

  • Biography


    Dr. Charles K. Oh is a board-certified ENT head and neck surgeon who provides diagnostic services and treatments at Tustin Ear, Nose & Throat, Sinus and Allergy Center for patients in Tustin and Los Alamitos, California. Dr. Oh earned a medical degree and completed his residency at Wayne State University Medical School. He also completed a fellowship in Rhinology and Advanced Sinus Surgery and served as an instructor of Otolaryngology at Vanderbilt University.
    Areas of Expertise
    Fellow American Academy of Otolaryngology Allergy