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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.

Hardeep M. Singh, MD

  • Gastroenterology
    (Board Certified)
Additional Language Spoken
Medical Groups & Affiliations
  • St. Joseph Heritage Medical Group
  • St. Joseph Hospital Affiliated Physicians
InSite Digestive Health Care
1010 West La Veta Avenue
Suite 570
Orange, CA 92868
Accepting New Patients

Primary Office

InSite Digestive Health Care
1010 West La Veta Avenue
Suite 570
Orange, CA 92868
Get Directions
(714) 835-7700
(714) 264-3803
Mon - Thurs: 8 a.m. - 5 p.m., Fri: 8 a.m. - 12 p.m.

Secondary Office

InSite Digestive Health Care
16305 Sand Canyon Avenue
Suite 220
Irvine, CA 92618
(714) 835-7700
(714) 264-3803

More Information



  • Meet The Doctor

    Specialties & Education

    Primary Specialties
    • Gastroenterology
      (Board Certified)
    Secondary Specialties
    • Internal Medicine
      (Board Certified)
    Education & Training
    • Medical School
      USC Medical Center - 2001
    • Internship
      Cedars Sinai Medical Center - 2002
    • Residency
      Cedars Sinai Medical Center - 2004
    • Fellowship
      Kaiser Permamente - 2007
    Areas of Interest

    Ambulatory pH Study (Bravo)

    Biliary Stent Placement

    Capsule Endoscopy


    Colonic Stent Placement

    Endoscopic Retrograde Cholangiogram Pancreatography (ERCP)

    Endoscopic Ultrasound (EUS)

    Endoscopic Variceal Ligation (Banding)

    Esophagogastroduodenscopy (EGD)

    Esophageal Stent Placement

    Flexible Sigmoidoscopy

    HET (for hemmorhoids)

    Pancreatic Tumors

    Percutaneous Endoscopic Gastrostomy Placement (PEG)

    Radiofrequency Ablation Therapy (RFA)

    Small Bowel Enteroscopy

  • Biography


    Dr. Hardeep M. Singh is Board Certified in Internal Medicine and Gastroenterology. He grew up in Orange County and obtained his undergraduate and medical degree from USC. While completing his internship and residency at Cedars Sinai Medical Center, Dr. Singh received the Leo Rigler Award for his academic achievement. While completing his fellowship in Gastroenterology, he was named the Kaiser Permanente Fellow of the Year.

    Dr. Singh received additional training in Endoscopic Ultrasound at the University of Montreal. He has published research on ERCP techniques, Inflammatory Bowel Disease, management of liver transplant patients, autoimmune liver disease, and management of Irritable Bowel Syndrome.

    In 2007, Dr. Singh established his practice at St. Joseph Hospital in Orange. His focus is general gastroenterology, with specific interests in management of end-stage liver disease, treatment of Hepatitis B and C, Endoscopic ultrasound, and endoscopic management of gastrointestinal cancers. Moreover, he is actively involved in the Liver Tumor Program at St. Joseph Hospital and started their Endoscopic Ultrasound Program in 2010.

    Throughout his career, Dr. Singh has received many accolades including being recognized as a Physician of Excellence from 2011-2013 by the Orange County Medical Association. Most recently, he was selected as one of the top gastroenterologists in the Western United States by

    Additionally, Dr. Singh is the Medical Director of Endoscopy and the Medical Director for the Endoscopic Ultrasound/Biliary program at St. Joseph Hospital in Orange.

    "I take pride in providing exceptional quality care to my patients. It’s important to build an honest and open level of communication with patients to help them maintain optimal health. I am dedicated to maintaining a high level of understanding of each patient’s personal health goals."
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