DR. ALAN MARSHAL HAAN M.D.
NPI 1558798561
Family Medicine in Oswego, IL

Active since October 04, 2013
150 N MADISON ST, OSWEGO, IL 60543(630) 554-8431 Get Directions Write a Review

NPPES record last updated: October 4, 2013. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Alan Marshal Haan M.d. NPPES

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

DR. ALAN MARSHAL HAAN M.D. (NPI 1558798561) is an individual family medicine provider in Oswego, Illinois, licensed in Illinois (3648959) and active in the NPI registry since October 2013.

NPPES Registry Identity

NPI1558798561
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. ALAN MARSHAL HAANCredential: M.D.
Location Address150 N MADISON STOswego, IL 60543-9470
Mailing Address150 N Madison StOswego, IL 60543-9470 · (630) 554-8431
Sole ProprietorYes
Enumeration DateOctober 4, 2013
NPI 1558798561 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in IL · 3648959
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
150 N MADISON ST, Oswego, IL 60543

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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 Haan's NPI number?

The NPI number for Alan Haan is 1558798561. It was assigned to this individual provider in the NPPES registry on October 4, 2013.

Where is Alan Haan located?

Alan Haan practices at 150 N Madison St, Oswego, IL 60543. The listed phone number is (630) 554-8431.

What is Alan Haan's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

When was this NPI record last updated?

The NPPES record for Alan Haan was last updated on October 4, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.