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IRA HOROWITZ MD
NPI 1326012204
Pediatrics - Pediatric Critical Care Medicine in Oak Lawn, IL

Active since February 15, 2006PECOS Enrolled
4440 W 95TH ST STE 3192H, OAK LAWN, IL 60453(708) 684-5685(708) 684-4712 Get Directions Write a Review

NPPES record last updated: September 21, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Ira Horowitz Md NPPES

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

IRA HOROWITZ MD (NPI 1326012204) is an individual pediatric critical care medicine provider in Oak Lawn, Illinois, licensed in Illinois (036-092456) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1326012204
Entity TypeIndividualMale
Primary Taxonomy2080P0203X
Provider Legal NameIRA HOROWITZCredential: MD
Location Address4440 W 95TH ST STE 3192HOak Lawn, IL 60453-2600
Mailing Address29373 Network PlChicago, IL 60673-1293 · (847) 390-5900
Phone(708) 684-5685
Fax(708) 684-4712
Sole ProprietorNo
Enumeration DateFebruary 15, 2006
Last NPPES UpdateSeptember 21, 2022
NPPES CertifiedSeptember 21, 2022
✔ NPI 1326012204 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
Licenses✔ Licensed in IL · 036-092456✔ Licensed in IL · 36092456
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 036092456 (IL)
4440 W 95TH ST STE 3192H, Oak Lawn, IL 60453
Open in Google Maps ↗

Other Identifiers 1

Medicaid36092456IL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ira Horowitz Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Ira Horowitz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Advocate Health & Hospitals Corporation
Same address
Medical Specialty
4440 W 95TH ST
Oak Lawn, IL 60453
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Advocate Health And Hospitals Corporation
  • 4,870 clinicians in this Medicare group
NPI 1912936014 (847) 390-5900

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 13

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

ERIN EILEEN GORDON DO
Pediatrics (Pediatric Critical Care Medicine)
4440 W 95TH ST STE 3192H
OAK LAWN, IL 60453
Cook County (708) 684-5685
CHINNAMMAL C KANDASWAMY M.D.
Internal Medicine
4440 W 95TH ST STE 3192H
OAK LAWN, IL 60453
Cook County (708) 684-5685
DR. TRAVIS JORDAN MATICS D.O.
Pediatrics
4440 W 95TH ST STE 3192H
OAK LAWN, IL 60453
Cook County (708) 684-5685
DR. ENRIQUE GUILLERMO CIFUENTES M.D.
Pediatrics (Pediatric Critical Care Medicine)
4440 W 95TH ST STE 3192H
OAK LAWN, IL 60453
Cook County (708) 684-5685
NINA MARIA CENSOPLANO D.O.
Pediatrics (Pediatric Critical Care Medicine)
4440 W 95TH ST STE 3192H
OAK LAWN, IL 60453
Cook County (708) 684-5685
AMY ELIZABETH MCCLAREY
Nurse Practitioner (Pediatrics, Critical Care)
4440 W 95TH ST STE 3192H
OAK LAWN, IL 60453
Cook County (708) 684-5685
DR. EMILY CATHERINE DAWSON MD
Pediatrics (Pediatric Critical Care Medicine)
4440 W 95TH ST STE 3192H
OAK LAWN, IL 60453
Cook County (708) 684-5685
KARA VON ZYCHLIN M.D.
Pediatrics (Pediatric Critical Care Medicine)
4440 W 95TH ST STE 3192H
OAK LAWN, IL 60453
Cook County (708) 684-5685

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 Ira Horowitz's NPI number?

The NPI number for Ira Horowitz is 1326012204. It was assigned to this individual provider in the NPPES registry on February 15, 2006.

Where is Ira Horowitz located?

Ira Horowitz practices at 4440 W 95th St Ste 3192H, Oak Lawn, IL 60453. The listed phone number is (708) 684-5685.

What is Ira Horowitz's specialty?

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

Is Ira Horowitz enrolled in Medicare?

Yes. Ira Horowitz is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Ira Horowitz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ira Horowitz reassigns Medicare benefits to Advocate Health & Hospitals Corporation (Oak Lawn, IL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ira Horowitz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ira Horowitz accept?

Health plans from Oscar Health list Ira Horowitz as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Ira Horowitz was last updated on September 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.