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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).

Learn more about Dr. Erina Foster:

View the full profile to get information on:

  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (2)

The overall average patient rating of Dr. Erina Foster is Below Average. Dr. Foster has been reviewed by 7 patients who have provided 2 comments. The rating is 1.5 out of 5 stars.

Patient Ratings
Ease of Appointment 2.5
Promptness 2.5
Courteous Staff 1.9
Accurate Diagnosis 1.8
Bedside Manner 1.7
Spends Time with Me 1.7
Follows Up After Visit 1.7

Specialties & Research

Dr. Erina Foster, MD is board certified in Internal Medicine and Gastroenterology.

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

Education & Awards

Dr. Foster graduated from Virginia Commonwealth University, Richmond.


Dr. Foster has 6 hospital affiliations:

  • Sutter Roseville Medical Center 
  • Kaiser Foundation Hospital - Sacramento 

> > > > Dr. Erina Foster, MD

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Additional Information
Dr. Erina Nojiri Foster MD is a female Internist, has 12 years of experience and practices in Internal Medicine and Gastroenterology.
Where does Dr. Erina N. Foster practice?
Dr. Erina Foster has 1 office location.
Dr. Erina Foster practices Internal Medicine and Gastroenterology near Vacaville, CA.
See Vacaville Internists and Vacaville Gastroenterologists.