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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. Barnett Grier:

View the full profile to get information on:

  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. Barnett Grier is Average. Dr. Grier has been reviewed by 5 patients who have provided 1 comments. The rating is 3 out of 5 stars.

Patient Ratings
Ease of Appointment 4.6
Promptness 4.1
Courteous Staff 5.0
Accurate Diagnosis 4.1
Bedside Manner 4.1
Spends Time with Me 4.6
Follows Up After Visit 3.7

Specialties & Research

Dr. Barnett Grier, MD is board certified in Internal Medicine.

Education & Awards

Dr. Grier graduated from University of California at Los Angeles.


Dr. Grier has 1 hospital affiliations:

  • Eastern Plumas Health Care 

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Additional Information
Dr. Barnett J W Grier MD is a male Internist, has 44 years of experience and practices in Internal Medicine.
Where does Dr. Barnett J. Grier practice?
Dr. Barnett Grier has 2 office locations.
Dr. Barnett Grier practices Internal Medicine near Portola, CA.
Additional practice locations include: Los Angeles, CA.
See Portola Internists.