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).
- Currently 4 of 4 stars
The overall average patient rating of Dr. J Ronald Shaffer is Excellent. Dr. Shaffer has been reviewed by 1 patients who have provided 0 comments. The rating is 4 out of 4 stars.
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Specialties & Research
Dr. J Ronald Shaffer, MD is board certified in Internal Medicine.
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Education & Awards
Dr. Shaffer graduated from University of Utah, Salt Lake City.More Education & Awards
Dr. Shaffer has 5 hospital affiliations:
- Sutter General Hospital
- Mercy General Hospital
Accepted Insurance Plans
Dr. Shaffer accepts these health insurances in at least one office:
- United Healthcare - 7 plans
- Blue Shield of California - 86 plans
- Great-West Healthcare - 1 plan
- Anthem Blue Cross - 12 plans
- Cigna - 6 plans
- Humana - 7 plans
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- Additional Information
- Where does Dr. J Ronald R. Shaffer practice?
Dr. J Ronald Shaffer practices Internal Medicine near Sacramento, CA.
See Sacramento Internists.