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Physician Profile

Steven J. Petit, MD

Serving Patients in
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(626) 449-9920

Recent News

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

About Dr. Steven J. Petit

Dr. Steven J. Petit was born and raised in Pasadena! He graduated from Occidental College and from the USC School of Medicine in 1974. He completed 5 years of postgraduate residency and specialty training at USC. He continues to teach at USC as well as at Huntington as a Clinical Professor of Medicine, and he has been the chair of the Medicine Department at Huntington. He is fluent in Spanish.

Dr. Petit is repeatedly listed amongst “Best Doctors” in a variety of public and peer surveys.



We Love Our Patients & Our Patients Love Us!


Treatment Philosophy

Our group strives to provide optimal care for our patients’ digestive health problems in an environment in which they can be comfortable and feel confident in getting the best advice and the most effective treatments.

Dr. Petit is committed to listening to you and providing you with the safest, most effective and comfortable setting for your GI procedure. His staff is focused on the medical needs of their patients and provide timely access to care. He feels strongly about keeping your care as affordable as possible.

Specialties and Services


Banding/Hemorrhoid Banding

H pylori Breath Test

Capsule Endoscopy

Upper Endoscopy

Colon Cancer Screening

Medical Affiliations

LA County and California Medical Associations

American Medical Association

American Society for Gastrointestinal Endoscopy (ASGE)

American Gastroenterological Association (AGA)

American College of Physicians (ACP)

Active Medical Staff and Past Chair, GI Section, Huntington Memorial Hospital, Pasadena

Office Location

Gastroenterology Associates
630 S. Raymond Ave., Suite 240
Pasadena, CA 91105
Phone: (626) 449-9920
Fax: (844) 406-5405