Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Leyden Dupage Counseling Service

Q: What is the NPI number for Leyden Dupage Counseling Service?

The NPI for Leyden Dupage Counseling Service is 1821211921, a Type 2 (organization) record in the CMS NPPES registry.

Clinical Social Worker in Oak Brook, IL · enumerated 2007 · authorized official Richard Cunningham, Executive Director.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1821211921

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Registry record

Entity type Organization (Type 2)

Legal business name Leyden Dupage Counseling Service

Practice address 1010 Jorie Blvd, Suite 12, Oak Brook, IL, 60523

Phone (630) 368-9100

Fax (630) 990-0506

Enumeration date Apr 10, 2007

Last updated in NPPES May 6, 2013

Taxonomy & classification

101Y00000X Counselor Behavioral Health & Social Service Providers Secondary

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers Primary

106H00000X Marriage & Family Therapist Behavioral Health & Social Service Providers Secondary

Authorized official

Name Richard Cunningham

Title Executive Director

Phone (630) 368-9100

Other identifiers

Identifier	Type	State	Issuer
01618323	Other	IL	BCBS PROVIDER

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

Who is the authorized official for Leyden Dupage Counseling Service?

NPPES lists Richard Cunningham (Executive Director) as the authorized official for this organization.

What is the NPI number for Leyden Dupage Counseling Service?

The NPI for Leyden Dupage Counseling Service is 1821211921, a Type 2 (organization) record in the CMS NPPES registry.

Providers at this address

Browse all →

Patrick Cunningham Professional Counselor · Oak Brook, IL NPI 1164536173 Patrick J. Cunningham, M.A., L.C.P.C. Professional Counselor · Oak Brook, IL NPI 1407960412 Counseling Associates Professionals, Ltd Social Worker · Oak Brook, IL NPI 1477669604 James Carger Psychologist · Oak Brook, IL NPI 1720195456 Stephanie Petrey Professional Counselor · Oak Brook, IL NPI 1558473751 Helene Jacques Professional Counselor · Oak Brook, IL NPI 1861585358 Jennifer Hassler Clinical Social Worker · Oak Brook, IL NPI 1487742557 Mark Sharp Clinical Psychologist · Oak Brook, IL NPI 1578610804

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-05-06.