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DR. RUSSELL HOROWITZ MD
NPI 1962462820
Pediatrics - Pediatric Emergency Medicine in Chicago, IL

Active since March 24, 2006PECOS Enrolled
225 E CHICAGO AVE, CHICAGO, IL 60611(312) 227-4000 Get Directions Write a Review

NPPES record last updated: October 7, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Russell Horowitz Md NPPES

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

DR. RUSSELL HOROWITZ MD (NPI 1962462820) is an individual pediatric emergency medicine provider in Chicago, Illinois, licensed in Illinois (036.104420) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1962462820
Entity TypeIndividualMale
Primary Taxonomy2080P0204X
Provider Legal NameDR. RUSSELL HOROWITZCredential: MD
Location Address225 E CHICAGO AVEChicago, IL 60611-2991
Mailing Address225 E Chicago AveChicago, IL 60611-2991 · (312) 227-4000
Phone(312) 227-4000
Sole ProprietorNo
Enumeration DateMarch 24, 2006
Last NPPES UpdateOctober 7, 2024
NPPES CertifiedOctober 7, 2024
✔ NPI 1962462820 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric Emergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080P0204X
License✔ Licensed in IL · 036.104420
Definition
A pediatrician who has special qualifications to manage emergencies in infants and children.
225 E CHICAGO AVE, Chicago, IL 60611
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Russell 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 Reassignments

2

Medicare enrollment records show Russell Horowitz reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Lurie Children's Medical Group Inc
Same address
Pediatrics
225 E CHICAGO AVE
Chicago, IL 60611
  • Reassigned Medicare billing, Illinois enrollment
  • 826 clinicians in this Medicare group
NPI 1518064716 (312) 227-6412
Northwestern Medical Faculty Foundation
34 mi
Multi-Specialty
DEPT 5777
Carol Stream, IL 60122
  • Reassigned Medicare billing, Illinois enrollment
  • 4,817 clinicians in this Medicare group
NPI 1346235314 (855) 694-2866

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 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 Russell Horowitz's NPI number?

The NPI number for Russell Horowitz is 1962462820. It was assigned to this individual provider in the NPPES registry on March 24, 2006.

Where is Russell Horowitz located?

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

What is Russell Horowitz's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Emergency Medicine, with taxonomy code 2080P0204X.

Is Russell Horowitz enrolled in Medicare?

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

Which organizations bill Medicare for Russell Horowitz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Russell Horowitz reassigns Medicare benefits to 2 organizations: Lurie Children's Medical Group Inc (Chicago, IL) and Northwestern Medical Faculty Foundation (Carol Stream, IL). Each 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 Russell Horowitz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Russell Horowitz was last updated on October 7, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.