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. Alan Hagen:
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The overall average patient rating of Dr. Alan Hagen is Good.
Specialties & Research
Dr. Alan Hagen, MD is board certified in Internal Medicine.
Education & Awards
Dr. Hagen graduated from Saint Louis University.
Dr. Hagen has 1 hospital affiliations:
- Washington County Hospital
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- Additional Information
- Dr. Alan Victor Hagen MD is a male Internist, has 16 years of experience and practices in Internal Medicine.
- Where does Dr. Alan V. Hagen practice?
- Dr. Alan Hagen has 1 office location.
Dr. Alan Hagen practices Internal Medicine near Collinsville, IL.
See Collinsville Internists.