Browse Health
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (21)

The overall average patient rating of Dr. Roger Kao, Gastroenterologist and Hepatologist is Excellent. Dr. Kao has been reviewed by 24 patients who have provided 21 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 5.0
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

Dr. Roger Kao, MD is board certified in Internal Medicine and Gastroenterology.

  • He has special expertise in 5 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Constipation
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Education & Awards

Dr. Kao graduated from Rosalind Franklin University, North Chicago. He has 6 awards.

Patients' Choice 5th Anniversary Award (2014)
Patients' Choice Award (2010 - 2014)
Compassionate Doctor Recognition (2011 - 2014)
Top 10 Doctor - City (2014)
Chicago, IL
Top 10 Doctor - State (2014)
On-Time Doctor Award (2014)


Dr. Kao has 4 hospital affiliations:

  • Stanford Hospital and Clinics 
  • Sequoia Hospital 


  • Mandarin
  • Italian
  • Chinese
  • Spanish
  • English

> > > > Dr. Roger Kao, MD

Similar doctors nearby

Dr. Michelle Fiore

Internal Medicine
29 years experience
San Carlos, CA

Dr. David Jacoby

Internal Medicine
38 years experience
San Carlos, CA

Dr. Lawrence Wolfe

Internal Medicine
San Carlos, CA

Dr. Suzanne Dey

Internal Medicine
43 years experience
San Carlos, CA

Dr. Sherna Madan

Internal Medicine
32 years experience
San Carlos, CA

Dr. Radha Gokhale

Internal Medicine
23 years experience
San Carlos, CA
Search All Similar Doctors
Additional Information
Dr. Roger Kao MD is a male Internist, has 12 years of experience and practices in Internal Medicine and Gastroenterology.
Where does Dr. Roger Kao practice?
Dr. Roger Kao has 1 office location.
Dr. Roger Kao practices Internal Medicine and Gastroenterology near San Carlos, CA.
See San Carlos Internists and San Carlos Gastroenterologists.