AMIR ALHAJJAT M.B.B.S
NPI 1841578457
Surgery - Pediatric Surgery in Chicago, IL

Active since July 31, 2011PECOS Enrolled
225 E CHICAGO AVE, CHICAGO, IL 60611(800) 543-7362 Get Directions Write a Review

NPPES record last updated: August 3, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 3, 2026, Dec 20, 2022, Sep 4, 2019 (3 updates tracked since 2019).

About Amir Alhajjat M.b.b.s NPPES

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

AMIR ALHAJJAT M.B.B.S (NPI 1841578457) is an individual pediatric surgery provider in Chicago, Illinois, licensed in Illinois (036.150034) and active in the NPI registry since July 2011. He is enrolled in Medicare PECOS and maintains a secondary practice location in Northbrook.

NPPES Registry Identity

NPI1841578457
Entity TypeIndividualMale
Primary Taxonomy2086S0120X
Provider Legal NameAMIR ALHAJJATCredential: M.B.B.S
Location Address225 E CHICAGO AVEChicago, IL 60611-2991
Mailing Address225 E Chicago AveChicago, IL 60611-2991 · (800) 543-7362
Sole ProprietorNo
Enumeration DateJuly 31, 2011
Last NPPES UpdateAugust 3, 20263 updates tracked since enumeration
NPPES CertifiedAugust 3, 2026
✔ NPI 1841578457 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgery · Pediatric SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code2086S0120X
License✔ Licensed in IL · 036.150034
Definition
A surgeon with expertise in the management of surgical conditions in premature and newborn infants, children and adolescents.
225 E CHICAGO AVE, Chicago, IL 60611

Secondary Practice Location 1

Location 11131 Techny RdNorthbrook, IL 60062-5503 · Phone (800) 543-7362

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Amir Alhajjat M.b.b.s 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 Amir Alhajjat reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Pediatrics
225 E CHICAGO AVE
Chicago, IL 60611
  • Reassigned Medicare billing, Illinois enrollment
  • 826 clinicians in this Medicare group

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.

Pediatrics
225 E CHICAGO AVE
CHICAGO, IL 60611
Pediatrics
225 E CHICAGO AVE
CHICAGO, IL 60611
Nurse Practitioner (Pediatrics)
225 E CHICAGO AVE
CHICAGO, IL 60611
Nurse Practitioner (Neonatal)
225 E CHICAGO AVE
CHICAGO, IL 60611
Pediatrics (Hospice and Palliative Medicine)
225 E CHICAGO AVE
CHICAGO, IL 60611
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
225 E CHICAGO AVE
CHICAGO, IL 60611
Student in an Organized Health Care Education/Training Program
225 E CHICAGO AVE
CHICAGO, IL 60611
Student in an Organized Health Care Education/Training Program
225 E CHICAGO AVE
CHICAGO, IL 60611

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 Amir Alhajjat's NPI number?

The NPI number for Amir Alhajjat is 1841578457. It was assigned to this individual provider in the NPPES registry on July 31, 2011.

Where is Amir Alhajjat located?

Amir Alhajjat practices at 225 E Chicago Ave, Chicago, IL 60611. The listed phone number is (800) 543-7362.

What is Amir Alhajjat's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Pediatric Surgery, with taxonomy code 2086S0120X.

Is Amir Alhajjat enrolled in Medicare?

Yes. Amir Alhajjat is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Amir Alhajjat's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Amir Alhajjat reassigns Medicare benefits to Lurie Children's Medical Group Inc (Chicago, 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 Amir Alhajjat'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 Amir Alhajjat was last updated on August 3, 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.