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. Mark Williams:
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- Currently 4 of 4 stars
The overall average patient rating of Dr. Mark Williams is Excellent.
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Specialties & Research
Dr. Mark Williams, MD is board certified in Internal Medicine.
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Education & Awards
Dr. Williams graduated from University of Tennessee, Memphis. He has 2 awards.
Dr. Williams has 10 hospital affiliations:
- Indian Path Medical Center
- Johnson City Medical Ctr
Accepted Insurance Plans
Dr. Williams accepts these health insurances in at least one office:
- United Healthcare - 12 plans
- Blue Cross Blue Shield of Tennessee - 2 plans
- Bluegrass Family Health - 3 plans
- Humana - 2 plans
- Cigna - 2 plans
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- Additional Information
- Where does Dr. Mark A. Williams practice?
Dr. Mark Williams practices Internal Medicine near Johnson City, TN.
See Johnson City Internists.