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. John Williams:
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Specialties & Research
- He has special expertise in 1 area:
- Flu (Human Influenza)
Education & Awards
Dr. Williams graduated from University of Arkansas , Little Rock. He has 2 awards.
Dr. Williams has 2 hospital affiliations:
- Sparks Regional Medical Center
- St Edward Mercy Medical Center
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- Additional Information
- Dr. John Ross Williams MD is a male Family Practitioner and practices in Family Medicine and General Practice.
- Where does Dr. John R. Williams practice?
- Dr. John Williams has 2 office locations.
Dr. John Williams practices Family Medicine and General Practice near Ratcliff, AR.
Additional practice locations include: Fort Smith, AR.
See Ratcliff Primary Care Doctors and Ratcliff General Practitioners.