CORNERSTONE CLINICAL ASSOCIATES, LTD
NPI 1689707440
Community/Behavioral Health in Wheaton, IL

Q: What is Cornerstone Clinical Associates, Ltd's NPI number?

The NPI number for Cornerstone Clinical Associates, Ltd is 1689707440. It was assigned to this organization in the NPPES registry on March 13, 2007.

Q: What is Cornerstone Clinical Associates, Ltd's specialty?

The primary specialty registered for this NPI is Community/Behavioral Health with taxonomy code 251S00000X.

Active since March 13, 2007

300 S COUNTY FARM RD, SUITE E, WHEATON, IL 60187(630) 871-0770(630) 871-0772 Get Directions Write a Review

NPPES record last updated: November 1, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Cornerstone Clinical Associates, Ltd NPPES

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

CORNERSTONE CLINICAL ASSOCIATES, LTD (NPI 1689707440) is a healthcare organization registered as a community/behavioral health in Wheaton, Illinois and active in the NPI registry since March 2007. The organization lists Warren Bruce Matson, Executive Director, as its authorized official.

NPPES Registry Identity

NPI1689707440

Entity TypeOrganization

Primary Taxonomy251S00000X

Legal Business NameCORNERSTONE CLINICAL ASSOCIATES, LTD

Location Address300 S COUNTY FARM RD, SUITE EWheaton, IL 60187-2438

Mailing AddressPo Box 921Wheaton, IL 60189-0921 · (630) 871-0770 · Fax (630) 871-0772

Phone(630) 871-0770

Fax(630) 871-0772

Organization SubpartNo

Authorized OfficialWarren Bruce MatsonExecutive Director · (630) 871-0770

Enumeration DateMarch 13, 2007

Last NPPES UpdateNovember 1, 2024

NPPES CertifiedNovember 1, 2024

✔ NPI 1689707440 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCommunity/Behavioral HealthAgencies

Taxonomy Code251S00000X

License✔ Licensed in IL · 180-002341

Definition

A private or public agency usually under local government jurisdiction, responsible for assuring the delivery of community based mental health, intellectual disabilities, substance abuse and/or behavioral health services to individuals with those disabilities. Services may range from companion care, respite, transportation, community integration, crisis intervention and stabilization, supported employment, day support, prevocational services, residential support, therapeutic and supportive consultation, environmental modifications, intensive in-home therapy and day treatment, in addition to traditional mental health and behavioral treatment.

300 S COUNTY FARM RD, Wheaton, IL 60187

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Other Identifiers 1

Other2220793IL · Bcbs

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Cornerstone Clinical Associates, Ltd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Cornerstone Clinical Associates, Ltd, which bills Medicare for the services this clinician delivers.

Clinician (1)

Warren Matson, MSED, LCPC

Mental Health Counselor

NPI 1720257694

208 N WEST ST
Wheaton, IL 60187

(630) 871-0770

✔ PECOS✔ Accepts Medicare1.7 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Cornerstone Clinical Associates, Ltd's NPI number?

The NPI number for Cornerstone Clinical Associates, Ltd is 1689707440. It was assigned to this organization in the NPPES registry on March 13, 2007.

Where is Cornerstone Clinical Associates, Ltd located?

Cornerstone Clinical Associates, Ltd is located at 300 S County Farm Rd Suite E, Wheaton, IL 60187. The listed phone number is (630) 871-0770.

What is Cornerstone Clinical Associates, Ltd's specialty?

The primary specialty registered for this NPI is Community/Behavioral Health with taxonomy code 251S00000X.

Is Cornerstone Clinical Associates, Ltd enrolled in Medicare?

Yes. Cornerstone Clinical Associates, Ltd is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Cornerstone Clinical Associates, Ltd?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Mental Health Counselor) reassigns their Medicare billing to Cornerstone Clinical Associates, Ltd. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Cornerstone Clinical Associates, Ltd was last updated on November 1, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 months 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.