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ALAN HAGEN MD
NPI 1114946175
Internal Medicine in Collinsville, IL

Active since July 19, 2006
531 VANDALIA ST FL 2, COLLINSVILLE, IL 62234(618) 343-0500(618) 343-0530 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Alan Hagen Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ALAN HAGEN MD (NPI 1114946175) is an individual internal medicine provider in Collinsville, Illinois and active in the NPI registry since July 2006.

NPPES Registry Identity

NPI1114946175
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameALAN HAGENCredential: MD
Location Address531 VANDALIA ST FL 2Collinsville, IL 62234-4061
Mailing Address531 Vandalia St Fl 2Collinsville, IL 62234-4061 · (618) 343-0500 · Fax (618) 343-0530
Phone(618) 343-0500
Fax(618) 343-0530
Sole ProprietorNo
Enumeration DateJuly 19, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1114946175 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
531 VANDALIA ST FL 2, Collinsville, IL 62234
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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Alan Hagen's NPI number?

The NPI number for Alan Hagen is 1114946175. It was assigned to this individual provider in the NPPES registry on July 19, 2006.

Where is Alan Hagen located?

Alan Hagen practices at 531 Vandalia St Fl 2, Collinsville, IL 62234. The listed phone number is (618) 343-0500.

What is Alan Hagen's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Alan Hagen was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.