LESLIE WILLIAMS
NPI 1760885032
Counselor - Mental Health in Alton, IL

Q: What is Leslie Williams's NPI number?

The NPI number for Leslie Williams is 1760885032. It was assigned to this individual provider in the NPPES registry on October 1, 2014.

Q: What is Leslie Williams's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Q: When was this NPI record last updated?

The NPPES record for Leslie Williams was last updated on October 2, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.

Active since October 01, 2014

2123 HOLLAND ST, ALTON, IL 62002(618) 465-5903(618) 462-2504 Get Directions Write a Review

NPPES record last updated: October 2, 2014. Verified against the NPPES registry weekly; last sync: August 30, 2026.

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About Leslie Williams NPPES

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

LESLIE WILLIAMS (NPI 1760885032) is an individual mental health provider in Alton, Illinois and active in the NPI registry since October 2014.

NPPES Registry Identity

NPI1760885032

Entity TypeIndividualMale

Primary Taxonomy101YM0800X

Provider Legal NameLESLIE WILLIAMS

Location Address2123 HOLLAND STAlton, IL 62002-3339

Mailing Address2615 Edwards StAlton, IL 62002-3915 · (618) 462-2331 · Fax (618) 462-2504

Phone(618) 465-5903

Fax(618) 462-2504

Sole ProprietorNo

Enumeration DateOctober 1, 2014

Last NPPES UpdateOctober 2, 2014

✔ NPI 1760885032 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers

Taxonomy Code101YM0800X

2123 HOLLAND ST, Alton, IL 62002

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Other Providers at the Same Location NPPES 3

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

MARGARET DAVENPORT

Counselor (Mental Health)

2123 HOLLAND ST
ALTON, IL 62002

Madison County (618) 465-5903

CENTERSTONE OF ILLINOIS INC

Community/Behavioral Health

2123 HOLLAND ST
ALTON, IL 62002

Madison County (618) 937-6483

CENTERSTONE OF ILLINOIS, INC

Community/Behavioral Health

2123 HOLLAND ST
ALTON, IL 62002

Madison County (618) 937-6483

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 Leslie Williams's NPI number?

The NPI number for Leslie Williams is 1760885032. It was assigned to this individual provider in the NPPES registry on October 1, 2014.

Where is Leslie Williams located?

Leslie Williams practices at 2123 Holland St, Alton, IL 62002. The listed phone number is (618) 465-5903.

What is Leslie Williams's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for Leslie Williams was last updated on October 2, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.