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

MRS. ERINN WILLIAMS LCPC
NPI 1033560495
Counselor - Professional in Chicago, IL

Q: What is Erinn Williams's NPI number?

The NPI number for Erinn Williams is 1033560495. It was assigned to this individual provider in the NPPES registry on June 28, 2016.

Q: What is Erinn Williams's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

Q: When was this NPI record last updated?

The NPPES record for Erinn Williams was last updated on September 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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 June 28, 2016

1220 W WILSON AVE, CHICAGO, IL 60640(312) 786-5500 Get Directions Write a Review

NPPES record last updated: September 25, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

Record update history: Sep 25, 2026, Jun 28, 2016 (2 updates tracked since 2016).

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About Mrs. Erinn Williams Lcpc NPPES

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

MRS. ERINN WILLIAMS LCPC (NPI 1033560495) is an individual professional provider in Chicago, Illinois, licensed in Illinois (180.010797) and active in the NPI registry since June 2016.

NPPES Registry Identity

NPI1033560495

Entity TypeIndividualFemale

Primary Taxonomy101YP2500X

Provider Legal NameMRS. ERINN WILLIAMSCredential: LCPC

Location Address1220 W WILSON AVEChicago, IL 60640-5517

Mailing Address1220 W Wilson AveChicago, IL 60640-5517 · (312) 786-5500

Phone(312) 786-5500

Sole ProprietorNo

Enumeration DateJune 28, 2016

Last NPPES UpdateSeptember 25, 20262 updates tracked since enumeration

NPPES CertifiedSeptember 25, 2026

✔ NPI 1033560495 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers

Taxonomy Code101YP2500X

License✔ Licensed in IL · 180.010797

1220 W WILSON AVE, Chicago, IL 60640

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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 Erinn Williams's NPI number?

The NPI number for Erinn Williams is 1033560495. It was assigned to this individual provider in the NPPES registry on June 28, 2016.

Where is Erinn Williams located?

Erinn Williams practices at 1220 W Wilson Ave, Chicago, IL 60640. The listed phone number is (312) 786-5500.

What is Erinn Williams's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

When was this NPI record last updated?

The NPPES record for Erinn Williams was last updated on September 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.