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. Charles Armstrong:
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Education & Awards
Dr. Armstrong graduated from University of Missouri at Kansas City.
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- Additional Information
- Where does Dr. Charles L. Armstrong practice?
Dr. Charles Armstrong practices Family Medicine near Alexandria, VA.
See Alexandria Family Physicians.