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

CLAIRE B. WALKER MD
NPI 1326566720
Psychiatry & Neurology - Child & Adolescent Psychiatry in Chicago, IL

Q: What is Claire Walker's NPI number?

The NPI number for Claire Walker is 1326566720. It was assigned to this individual provider in the NPPES registry on September 6, 2017.

Q: What is Claire Walker's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.

Q: When was this NPI record last updated?

The NPPES record for Claire Walker was last updated on September 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 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 September 06, 2017PECOS Enrolled

5841 S MARYLAND AVE, CHICAGO, IL 60637(888) 824-0200 Get Directions Write a Review

NPPES record last updated: September 17, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Sep 17, 2026, Aug 22, 2022, Jul 21, 2022 (3 updates tracked since 2022).

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About Claire B. Walker Md NPPES

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

CLAIRE B. WALKER MD (NPI 1326566720) is an individual child & adolescent psychiatry provider in Chicago, Illinois, licensed in Illinois (036181881) and active in the NPI registry since September 2017. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1326566720

Entity TypeIndividualFemale

Primary Taxonomy2084P0804X

Provider Legal NameCLAIRE B. WALKERCredential: MD

Location Address5841 S MARYLAND AVEChicago, IL 60637-1443

Mailing Address150 Harvester Dr Ste 300Burr Ridge, IL 60527-5965

Phone(888) 824-0200

Sole ProprietorNo

Enumeration DateSeptember 6, 2017

Last NPPES UpdateSeptember 17, 20263 updates tracked since enumeration

NPPES CertifiedSeptember 17, 2026

✔ NPI 1326566720 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · Child & Adolescent PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0804X

License✔ Licensed in IL · 036181881

Definition

Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.

5841 S MARYLAND AVE, Chicago, IL 60637

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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 (PECOS)

Claire B. Walker 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.

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.

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