Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Waukesha County

Case Management Agency in Waukesha, WI · enumerated 2007 · authorized official David Derosier, Credentialing Specialist.

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

National Provider Identifier

1740403146

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Registry record

Entity type Organization (Type 2)

Legal business name Waukesha County

Other name <Unavail>

Practice address 514 Riverview Ave, Waukesha, WI, 53188

Phone (262) 548-7399

Fax (262) 970-6696

Enumeration date Apr 11, 2007

Last updated in NPPES Nov 10, 2025

Taxonomy & classification

251B00000X Case Management Agency Agencies · License 4307700 (WI) Primary

251K00000X Public Health or Welfare Agency Agencies · License 80259 (WI) Secondary

251S00000X Community/Behavioral Health Agency Agencies · License 32976100 (WI) Secondary

261QM0801X Mental Health Clinic/Center (Including Community Mental Health Center) Ambulatory Health Care Facilities · License 42138400 (WI) Secondary

273R00000X Psychiatric Hospital Unit Hospital Units · License 10063300 (WI) Secondary

Authorized official

Name David Derosier

Title Credentialing Specialist

Phone (262) 896-8431

Other identifiers

Identifier	Type	State	Issuer
10063326	Medicaid	WI	-
32976100	Medicaid	WI	-
43422400	Medicaid	WI	-
41760800	Medicaid	WV	-
43077000	Medicaid	WI	-
10063300	Medicaid	WI	-
32816300	Medicaid	WI	-
41760800	Medicaid	WI	-
42138400	Medicaid	WI	-
41861400	Medicaid	WI	-

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

Where is Waukesha County located?

The practice location on file with NPPES is in Waukesha, WI.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2025-11-10. Verify at npiregistry.cms.hhs.gov.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-11-10.