AALOK AVINASHI MD
NPI 1730289273
Pediatrics - Neonatal-Perinatal Medicine in Chicago, IL

Active since September 24, 2006PECOS Enrolled
500 E 51ST ST, CHICAGO, IL 60615(312) 572-2515(312) 572-2504 Get Directions Write a Review

NPPES record last updated: April 21, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Apr 21, 2021, Nov 4, 2020, Jul 13, 2020 and 1 more (4 updates tracked since 2019).

About Aalok Avinashi Md NPPES

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

AALOK AVINASHI MD (NPI 1730289273) is an individual neonatal-perinatal medicine provider in Chicago, Illinois, licensed in Illinois (036-083475) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in Chicago.

NPPES Registry Identity

NPI1730289273
Entity TypeIndividualMale
Primary Taxonomy2080N0001X
Provider Legal NameAALOK AVINASHICredential: MD
Location Address500 E 51ST STChicago, IL 60615-2400
Mailing Address8435 Keeler AveSkokie, IL 60076-2009 · (847) 329-0411 · Fax (847) 329-0411
Fax(312) 572-2504
Sole ProprietorNo
Enumeration DateSeptember 24, 2006
Last NPPES UpdateApril 21, 20214 updates tracked since enumeration
NPPES CertifiedApril 21, 2021
✔ NPI 1730289273 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080N0001X
License✔ Licensed in IL · 036-083475
Definition
A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.
Also ListedPediatricsTaxonomy 208000000X · License 036-083475 (IL)
500 E 51ST ST, Chicago, IL 60615

Secondary Practice Location 1

Location 12233 W Division StChicago, IL 60622-8151 · Phone (312) 770-2000

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Aalok Avinashi 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 Aalok Avinashi reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Same address
General Acute Care Hospital
500 E 51ST ST
Chicago, IL 60615
  • Reassigned Medicare billing, Illinois enrollment
  • 1,047 clinicians in this Medicare group
Multi-Specialty
2380 E DEMPSTER ST
Des Plaines, IL 60016
  • Reassigned Medicare billing, Illinois enrollment
  • 443 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.

Anesthesiology
500 E 51ST ST
CHICAGO, IL 60615
Anesthesiology
500 E 51ST ST
CHICAGO, IL 60615
Physical Therapist
500 E 51ST ST
CHICAGO, IL 60615
Emergency Medicine
500 E 51ST ST, PROVIDENT HOSPITAL OF COOK COUNTY
CHICAGO, IL 60615
Internal Medicine
500 E 51ST ST, 7TH FLOOR
CHICAGO, IL 60615
Physical Therapist
500 E 51ST ST
CHICAGO, IL 60615
Anesthesiology
500 E 51ST ST, SUITE 7047
CHICAGO, IL 60615
Family Medicine
500 E 51ST ST
CHICAGO, IL 60615

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 Aalok Avinashi's NPI number?

The NPI number for Aalok Avinashi is 1730289273. It was assigned to this individual provider in the NPPES registry on September 24, 2006.

Where is Aalok Avinashi located?

Aalok Avinashi practices at 500 E 51st St, Chicago, IL 60615. The listed phone number is (312) 572-2515.

What is Aalok Avinashi's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

Is Aalok Avinashi enrolled in Medicare?

Yes. Aalok Avinashi is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Aalok Avinashi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Aalok Avinashi reassigns Medicare benefits to 2 organizations: Cook County (Chicago, IL) and Prime Healthcare Illinois Medical Group LLC (Des Plaines, 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 Aalok Avinashi'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 Aalok Avinashi was last updated on April 21, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.