Dr. Samuel Marcus is a board certified gastroenterologist serving the San Francisco Bay Area from his clinic in Mountain View

About Dr. Samuel Marcus

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.

Dr. Marcus is known for his expertise in the diagnosis and management of Crohn’s disease and Ulcerative Colitis.

Preparing for Your First Visit

Worried about your first visit at our office for a colonoscopy or other treatment? Want more information on how to prepare yourself?

Set your mind at ease and visit our online Patient Center! You’ll find the answers to your questions and general information on our practice as well as easy to fill-in online forms that you can prepare before your visit to save you time.

Now Offering Fuse® Full Spectrum Endoscopy®

Routine colonoscopy is the best method of screening for lower GI diseases and issues. Our office is please to announce we are now using Fuse® Full Spectrum Endoscopy® for unrivaled accuracy and maximum comfort for you.

Orbera Non-Surgical Weight Loss

If you are one of the many individuals struggling to maintain your weight, while simultaneously struggling to feel good about yourself, Orbera offers a gentle, non-surgical solution. Isn’t it about time the world met the real you?

Painless Hemorrhoid Removal

Suffer no longer! Dr. Marcus is pleased to offer the CRH O’Regan Hemmorhoid Removal procedure for pain-free healing of hemmorhoids. This procedure is gentle, quick, and requires no fasting or inconvenient preparation.

2490 Hospital Drive Suite 211 Mountain View, California 94040

(415) 523-8034

(650) 988-7488