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Internist, Gastroenterologist (digestive)
34 years of experience
Video profile
Accepting new patients
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 (1)

The overall average patient rating of Dr. Earl Darby is Excellent. Dr. Darby has been reviewed by 1 patients who have provided 1 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 2.3
Promptness 5.0
Courteous Staff 5.0
Accurate Diagnosis 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

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Additional Information
Dr. Earl Michael Darby MD is a male Internist, has 34 years of experience and practices in Internal Medicine and Gastroenterology.
Where does Dr. Earl M. Darby practice?
Dr. Earl Darby has 5 office locations.
Dr. Earl Darby practices Internal Medicine and Gastroenterology near Oakland, CA.
Additional practice locations include: San Pablo, CA and Walnut Creek, CA.
See Oakland Internists and Oakland Gastroenterologists.