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Recent News

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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.

Won K. Yu, MD

  • Gastroenterology
    (Board Certified)
Additional Language Spoken
Korean, English
Medical Groups & Affiliations
  • St. Joseph Hospital Affiliated Physicians
Won Yu, MD
230 South Main Street
Suite 215
Orange, CA 92868
Accepting New Patients

Primary Office

Won Yu, MD
230 South Main Street
Suite 215
Orange, CA 92868
Get Directions
(714) 937-9400
(714) 937-9404
Mon - Fri: 8 a.m. - 5 p.m.

More Information

  • Meet The Doctor

    Specialties & Education

    Primary Specialties
    • Gastroenterology
      (Board Certified)
    Secondary Specialties
    • Internal Medicine
      (Board Certified)
    Education & Training
    • Medical School
      Temple University - 2000
    • Internship
      UCLA - 2001
    • Residency
      UCLA - 2003
    • Fellowship
      USC - 2006
    Areas of Interest
    • Ambulatory pH Study (Bravo)
    • Biliary Stent Placement
    • Colonoscopy
    • Colonic Stent Placement
    • Endoscopic Retrograde Cholangiogram Pancreatography (ERCP)
    • Endoscopic Variceal Ligation (Banding)
    • Esophagogastroduodenscopy (EGD)
    • Esophageal Stent Placement
    • Flexible Sigmoidoscopy
    • Percutaneous Endoscopic Gastrostomy Placement (PEG)
    • Radiofrequency Ablation Therapy (RFA)
    • Small Bowel Enteroscopy
  • Biography


    ERCP; AOA/ Gastroenterology Endoscopy (Journal publication) 06/06
    Areas of Expertise
    ERCP; AOA/ Gastroenterology Endoscopy (Journal publication) 06/06