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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.

Gregory Wong, MD

  • Pediatric Gastroenterology
    (Board Certified)
Additional Language Spoken
Medical Groups & Affiliations
  • St. Joseph Heritage Medical Group
  • St. Joseph Hospital Affiliated Physicians
CHOC Children's Specialists - 1201 La Veta Ave.
1201 West La Veta Avenue
Orange, CA 92868
Accepting New Patients

Primary Office

CHOC Children's Specialists - 1201 La Veta Ave.
1201 West La Veta Avenue
Orange, CA 92868
Get Directions
(888) 770-2462
(855) 246-2329

More Information

  • Meet The Doctor

    Specialties & Education

    Primary Specialties
    • Pediatric Gastroenterology
      (Board Certified)
    Secondary Specialties
    • Pediatrics
      (Board Certified)
    Education & Training
    • Fellowship
      Texas Children's Hospital - 2013
    • Medical School
      Chicago Medical School - 2007
    • Residency
      University Of North Carolina, Chapel Hill - 2010
    • Internship
      University of California Irvine - 2009
  • Biography


    Dr. Gregory Wong is a board certified pediatric gastroenterologist who treats the full-spectrum of gastrointestinal disorders in children at CHOC Children’s. Dr. Wong is a member of the physician team, CHOC Gastrointestinal Motility Program. Dr. Wong is the primary gastroenterologist of CHOC’s Cystic Fibrosis Center and is an awardee of the Cystic Fibrosis Foundation’s DIGEST training grant. His clinical interests include chronic constipation, swallowing problems, gastroparesis and irritable bowel syndrome.

    Dr. Wong attended medical school at Chicago Medical School Rosalind Franklin University, North Chicago, Illinois. He completed his pediatrics residency at UCI Medical Center, Orange, California. Dr. Wong served his pediatric gastroenterology and hepatology fellowship at Texas Children’s Hospital, Baylor College of Medicine, Houston, Texas, where focused his training on gastrointestinal motility disorders and further conducted research on stomach emptying problems in children.

    Dr. Wong has written publications and has given several lectures on pediatric gastroenterology topics of gastroparesis and gastric retention in children undergoing gastric emptying scintigraphy. Dr. Wong was born and raised in Honolulu, Hawaii.