Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

SONALI S CHAUDHURY MD
NPI 1245458496
Pediatrics - Pediatric Hematology-Oncology in Chicago, IL

Q: What is Sonali Chaudhury's NPI number?

The NPI number for Sonali Chaudhury is 1245458496. It was assigned to this individual provider in the NPPES registry on April 23, 2007.

Q: What is Sonali Chaudhury's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.

Q: When was this NPI record last updated?

The NPPES record for Sonali Chaudhury was last updated on August 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 days 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.

Active since April 23, 2007PECOS Enrolled

225 E. CHICAGO AVE., CHICAGO, IL 60611(312) 227-4090(312) 227-9756 Get Directions Write a Review

NPPES record last updated: August 4, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 4, 2026, Jun 3, 2021 (2 updates tracked since 2021).

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About Sonali S Chaudhury Md NPPES

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

SONALI S CHAUDHURY MD (NPI 1245458496) is an individual pediatric hematology-oncology provider in Chicago, Illinois, licensed in Illinois (036119112) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS and is a graduate of Other (1993).

NPPES Registry Identity

NPI1245458496

Entity TypeIndividualFemale

Primary Taxonomy2080P0207X

Provider Legal NameSONALI S CHAUDHURYCredential: MD

Location Address225 E. CHICAGO AVE.Chicago, IL 60611-2991

Mailing Address225 E Chicago AveChicago, IL 60611-2991 · (312) 227-4090 · Fax (312) 227-9756

Phone(312) 227-4090

Fax(312) 227-9756

Sole ProprietorNo

Medical School CMSOtherGraduated 1993

Enumeration DateApril 23, 2007

Last NPPES UpdateAugust 4, 20262 updates tracked since enumeration

NPPES CertifiedAugust 4, 2026

✔ NPI 1245458496 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric Hematology-OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2080P0207X

License✔ Licensed in IL · 036119112

Definition

A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.

225 E. CHICAGO AVE., Chicago, IL 60611

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Sonali S Chaudhury Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9830225606

PECOS Enrollment IDI20100331000431

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.

Other Providers at the Same Location NPPES

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

JENNIFER JAO MD

Pediatrics (Pediatric Infectious Diseases)

225 E. CHICAGO AVE., #20
CHICAGO, IL 60611

Cook County (312) 227-4080

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 Sonali Chaudhury's NPI number?

The NPI number for Sonali Chaudhury is 1245458496. It was assigned to this individual provider in the NPPES registry on April 23, 2007.

Where is Sonali Chaudhury located?

Sonali Chaudhury practices at 225 E. Chicago Ave., Chicago, IL 60611. The listed phone number is (312) 227-4090.

What is Sonali Chaudhury's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.

Is Sonali Chaudhury enrolled in Medicare?

Yes. Sonali Chaudhury is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Sonali Chaudhury was last updated on August 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 days 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.