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Gastroenterology

Mailing Address:
1300 Crane Street
Menlo Park, CA 94025-4283
Clinic Address: 321 Middlefield Rd, STE 260
Menlo Park, CA 94025-4283
Contact Phone: (650) 736-5771
Days and Hours: Monday-Friday 8:30 am - 12:30 pm, 1:30 pm - 5:00 pm

The Gastroenterology Department at the Menlo Medical Clinic specializes in the diagnosis and treatment of problems related to the gastrointestinal tract including digestion, liver disease, pancreatic disease, and gallbladder disease. In particular, we specialize in colon cancer screening, inflammatory bowel disease, gastroesophageal reflux disease, peptic ulcer disorders and endoscopic evaluation and therapy.

Using state-of-the-art technology, we offer services including:

  • Colonoscopy
  • Upper Endoscopy
  • Flexible Sigmoidoscopy
  • Esophageal dilation
  • Esophageal pH monitoring

Our gastroenterology specialists, John Selling, MD, Mary Chan, MD, and Tu Nguyen, MD have performed an extremely large number of diagnostic procedures including over 20,000 colonoscopies and more than 40,000 endoscopic procedures. In addition to receiving personalized care from these experienced physicians, most procedures are performed in the comfort and convenience of Waverley Surgical Center in Palo Alto. Please click here Waverley Surgical Center for more information.

Our affiliation with Stanford Health Care also enables Menlo Medical Clinic physicians to perform in-patient services at Stanford Hospital.

Here are some links that we believe will be useful for our patients:

  1. Pre-colonoscopy Instructions:
    1. New Miralax Instructions
    2. New Miralax Instructions - Early Time
  2. Colonoscopy Preparations:
    1. Colonoscopy preparation with HalfLytely
    2. Colonoscopy preparation with Osmoprep
    3. Colonoscopy preparation with Golytely, Trilyte, Colyte, or Nulytely
  3. General information about many digestive diseases and gastrointestinal procedures
  4. Information about colonoscopy
  5. Homepage of the American Cancer Society with information on specific kinds of cancers
  6. Diverticulosis
  7. Gastroesophageal reflux disease
  8. Irritable bowel syndrome
  9. Constipation

Department Practitioners