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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. Gary Thacker:

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Patient Reviews

Patient comments (0)

The overall average patient rating of Dr. Gary Thacker is Excellent. Dr. Thacker has been reviewed by 2 patients who have provided 0 comments. The rating is 5 out of 5 stars.

Specialties & Research

Dr. Gary Thacker, MD is board certified in Internal Medicine.

Education & Awards

Dr. Thacker graduated from University of California at San Diego, La Jolla.


Dr. Thacker has 5 hospital affiliations:

  • Sutter Roseville Medical Center 
  • Kaiser Foundation Hospital - Roseville 

> > > > Dr. Gary Thacker, MD

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Additional Information
Dr. Gary James Thacker MD is a male Internist, has 17 years of experience and practices in Internal Medicine.
Where does Dr. Gary J. Thacker practice?
Dr. Gary Thacker has 1 office location.
Dr. Gary Thacker practices Internal Medicine near Roseville, CA.
See Roseville Internists.