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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. William Blazek:

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Specialties & Research

Dr. William Blazek, MD is board certified in Internal Medicine.

Education & Awards

Dr. Blazek graduated from Rush Medical College, Chicago.


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Additional Information
Dr. William Vincent Blazek MD is a male Internist, has 13 years of experience and practices in Internal Medicine.
Where does Dr. William V. Blazek practice?
Dr. William Blazek has 2 office locations.
Dr. William Blazek practices Internal Medicine near Washington, DC.
Additional practice locations include: Boston, MA.
See Washington Internists.