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Physician Profile

Hardeep M. Singh, MD

Serving Patients in
Orange & Irvine
Make an Appointment
(714) 835-7700

Recent News

inSite Digestive Health Care is proud to announce its newest location in Lancaster, CA with Dr. Jatinder Pruthi!

About Dr. Hardeep M. Singh

Dr. Hardeep M. Singh is Board Certified in Internal Medicine and Gastroenterology. He grew up in Orange County and obtained his undergraduate and medical degrees 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.

Dr. Singh established his practice in 2007 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. He is actively involved in the Liver Tumor Program at St. Joseph Hospital and started their Endoscopic Ultrasound Program in 2010.

Dr. Singh has received many accolades including being recognized as a Physician of Excellence from 2011-2013 by the Orange County Medical Association. He was recently selected as one of the top gastroenterologists in the Western United States by Vitals.com.

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.

Orange:                  Irvine:

Specialties and Services

Capsule Endoscopy


ERCP (Endoscopic Retrograde Cholangiopancreatography)

Upper Endoscopy

Colon Cancer Screening

HET (Hemorrhoid Electro Therapy)

Single Balloon Enteroscopy

EUS (Endoscopic Ultrasound)

Professional Affiliations

American Gastroenterological Association

American College of Gastroenterology

American College of Physicians

Orange County Gastroenterological Society

American Society of Gastrointestinal Endoscopy

Southern California Society of Gastroenterology

Orange County Medical Association

Office Location

Orange Office
1010 W. La Veta Ave., Suite 570
Orange, CA 92868
Phone: (714) 835-7700

Irvine Office
16305 Sand Canyon Ave., Suite 220
Irvine, CA 92818
Phone: (714) 835-7700
Fax: (844) 407-0583