Browse Health
Internist, Gastroenterologist (digestive)
35 years of experience
Accepting new patients
Video profile
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 (8)

The overall average patient rating of Dr. Earl Darby is Excellent. Dr. Darby has been reviewed by 8 patients who have provided 8 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.7
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. Earl Darby, 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. Darby graduated from University of California at San Francisco.


Dr. Darby has 6 hospital affiliations:

  • Alta Bates Summit Medical Center- Summit Campus 
  • John Muir Medical Center, Walnut Creek Campus 


  • Chinese
  • Mandarin
  • Spanish
  • English

> > > > Dr. Earl Darby, MD

Similar doctors nearby

Dr. John Roark

Internal Medicine
35 years experience
Oakland, CA

Dr. Liana Vesga

Internal Medicine
12 years experience
Oakland, CA

Dr. Susie Ng

Internal Medicine
4 years experience
Oakland, CA

Dr. Paul Chard

Internal Medicine
14 years experience
Oakland, CA

Dr. Angelique Green

Internal Medicine
19 years experience
Oakland, CA

Dr. Shashi Mathur

Internal Medicine
42 years experience
Oakland, CA
Search All Similar Doctors
Additional Information
Dr. Earl Michael Darby MD is a male Internist, has 35 years of experience and practices in Internal Medicine and Gastroenterology.
Where does Dr. Earl M. Darby practice?
Dr. Earl Darby has 1 office location.
Dr. Earl Darby practices Internal Medicine and Gastroenterology near Oakland, CA.
See Oakland Internists and Oakland Gastroenterologists.