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. Allen Williams:
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- Currently 3.5 of 4 stars
The overall average patient rating of Dr. Allen Williams is Excellent.
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Specialties & Research
Dr. Allen Williams, MD is board certified in Internal Medicine.
- He has special expertise in 1 area:
- Flu (Human Influenza)
Education & Awards
Dr. Williams graduated from Loyola University Chicago, Maywood. He has 2 awards.
Dr. Williams has 2 hospital affiliations:
- Swedish American Hospital
- SwedishAmerican Hospital
Accepted Insurance Plans
Dr. Williams accepts these health insurances in at least one office:
- United Healthcare - 19 plans
- Great-West Healthcare - 3 plans
- Blue Cross Blue Shield of Illinois - 4 plans
Similar doctors nearby
- Additional Information
- Where does Dr. Allen D. Williams practice?
Dr. Allen Williams practices Internal Medicine near Rockford, IL.
See Rockford Internists.