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CLAIRE L BROWN LCSW PC
NPI 1811445679
Community/Behavioral Health in Crystal Lake, IL

Active since September 21, 2016
350 E CONGRESS PKWY, SUITE L, CRYSTAL LAKE, IL 60014(815) 477-4024(815) 356-7139 Get Directions Write a Review

NPPES record last updated: September 21, 2016. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Claire L Brown Lcsw Pc NPPES

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

CLAIRE L BROWN LCSW PC (NPI 1811445679) is a healthcare organization registered as a community/behavioral health in Crystal Lake, Illinois and active in the NPI registry since September 2016. The organization lists Claire Loiuse Brown, Therapist, as its authorized official.

NPPES Registry Identity

NPI1811445679
Entity TypeOrganization
Primary Taxonomy251S00000X
Legal Business NameCLAIRE L BROWN LCSW PC
Location Address350 E CONGRESS PKWY, SUITE LCrystal Lake, IL 60014-6284
Mailing Address350 E. Congress, Suite LCrystal Lake, IL 60014-6284 · (815) 477-4024 · Fax (815) 356-7139
Phone(815) 477-4024
Fax(815) 356-7139
Organization SubpartNo
Authorized OfficialClaire Loiuse BrownTherapist · (815) 477-4024
Enumeration DateSeptember 21, 2016
✔ NPI 1811445679 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCommunity/Behavioral HealthAgencies
Taxonomy Code251S00000X
License✔ Licensed in IL · 149.002685
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.
350 E CONGRESS PKWY, Crystal Lake, IL 60014
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Other Identifiers 1

Medicare PIN210347IL

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Claire L Brown Lcsw Pc 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 Claire L Brown Lcsw PC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Clara Brown, LCSW
Clinical Social Worker
NPI 1366535064
101 N. VIRGINIA STSUITE 105
Crystal Lake, IL 60014
(815) 477-4024
✔ PECOS✔ Accepts Medicare1.1 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 Claire L Brown Lcsw PC's NPI number?

The NPI number for Claire L Brown Lcsw PC is 1811445679. It was assigned to this organization in the NPPES registry on September 21, 2016.

Where is Claire L Brown Lcsw PC located?

Claire L Brown Lcsw PC is located at 350 E Congress Pkwy Suite L, Crystal Lake, IL 60014. The listed phone number is (815) 477-4024.

What is Claire L Brown Lcsw PC's specialty?

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

Is Claire L Brown Lcsw PC enrolled in Medicare?

Yes. Claire L Brown Lcsw PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Claire L Brown Lcsw PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Clinical Social Worker) reassigns their Medicare billing to Claire L Brown Lcsw PC. 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 Claire L Brown Lcsw PC was last updated on September 21, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.