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RACHEL GAHAGEN D.O.
NPI 1023549599
Pediatrics - Pediatric Critical Care Medicine in Chicago, IL

Active since March 25, 2017
225 E CHICAGO AVE, CHICAGO, IL 60611(312) 227-4000 Get Directions Write a Review

NPPES record last updated: April 22, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 22, 2026, May 6, 2021, Mar 25, 2017 (3 updates tracked since 2017).

About Rachel Gahagen D.o. NPPES

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

RACHEL GAHAGEN D.O. (NPI 1023549599) is an individual pediatric critical care medicine provider in Chicago, Illinois, licensed in Illinois (036.165303) and active in the NPI registry since March 2017.

NPPES Registry Identity

NPI1023549599
Entity TypeIndividualFemale
Primary Taxonomy2080P0203X
Provider Legal NameRACHEL GAHAGENCredential: D.O.
Location Address225 E CHICAGO AVEChicago, IL 60611-2991
Mailing Address225 E Chicago AveChicago, IL 60611-2991
Phone(312) 227-4000
Sole ProprietorNo
Enumeration DateMarch 25, 2017
Last NPPES UpdateApril 22, 20263 updates tracked since enumeration
NPPES CertifiedApril 22, 2026
✔ NPI 1023549599 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080P0203X
License✔ Licensed in IL · 036.165303
Definition
A pediatrician expert in advanced life support for children from the term or near-term neonate to the adolescent. This competence extends to the critical care management of life-threatening organ system failure from any cause in both medical and surgical patients and to the support of vital physiological functions. This specialist may have administrative responsibilities for intensive care units and also facilitates patient care among other specialists.
Also ListedPediatricsTaxonomy 208000000X · License 02005466A (IN)
225 E CHICAGO AVE, Chicago, IL 60611
Open in Google Maps ↗

Other Identifiers 1

Medicaid300004033IN

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

BESSEY ELIZABETH JOSE GEEVARGHESE DO
Pediatrics
225 E CHICAGO AVE
CHICAGO, IL 60611
Cook County (630) 933-6631
CHRISTINA SOOJIN KIM M.D.
Pediatrics
225 E CHICAGO AVE
CHICAGO, IL 60611
Cook County (443) 928-7458
JESSICA LAUREN OFFENBACH APN
Nurse Practitioner (Pediatrics)
225 E CHICAGO AVE
CHICAGO, IL 60611
Cook County (312) 227-4000
MS. JENNY KO LEE APN
Nurse Practitioner (Neonatal)
225 E CHICAGO AVE
CHICAGO, IL 60611
Cook County (847) 962-6268
ERIN COHEN MD
Pediatrics (Hospice and Palliative Medicine)
225 E CHICAGO AVE
CHICAGO, IL 60611
Cook County (312) 227-4000
DR. JOSEPH HART COLLINS MD
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
225 E CHICAGO AVE
CHICAGO, IL 60611
Cook County (312) 227-3550
ALEXIS LYN HARMON
Student in an Organized Health Care Education/Training Program
225 E CHICAGO AVE
CHICAGO, IL 60611
Cook County (312) 227-4000
SHANNON JULIA CONWAY MD
Student in an Organized Health Care Education/Training Program
225 E CHICAGO AVE
CHICAGO, IL 60611
Cook County (312) 227-4000

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 Rachel Gahagen's NPI number?

The NPI number for Rachel Gahagen is 1023549599. It was assigned to this individual provider in the NPPES registry on March 25, 2017.

Where is Rachel Gahagen located?

Rachel Gahagen practices at 225 E Chicago Ave, Chicago, IL 60611. The listed phone number is (312) 227-4000.

What is Rachel Gahagen's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.

When was this NPI record last updated?

The NPPES record for Rachel Gahagen was last updated on April 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.