Samuel N. Marcus M.D., Ph.D.


2490 Hospital Drive, Suite 211
Mountain View, California 94040

Samuel Marcus, MD, Gastroenterology


Dr. Samuel Marcus and his staff are committed to providing you with expert medical care in a sensitive manner. Working as a team, our physician, physician assistants, and office staff strive to earn your confidence as we help you to maintain good gastrointestinal health.

Our board certified gastroenterologist, Samuel N Marcus, MD, PhD brings years of experience and unsurpassed expertise to every patient he treats.

Dr. Marcus is a provider of the ReShape Dual Gastric Balloon, a non-surgical weight loss procedure.

Learn About our Doctor

Patient Education

Patient comfort and safety are always our priority.

Preparing for Your First Visit

To save you time in the waiting room, we have provided printable versions of forms used by gastroenterologist Samuel N. Marcus, MD, PhD to collect important medical and insurance information. Print these forms at home, fill out, and bring them with you to your appointment to save you time.

Go to Patient Center Procedures - Endoscopic Tests and Screenings