WAUKESHA COUNTY
NPI 1740403146
Case Management in Waukesha, WI

Active since April 11, 2007
514 RIVERVIEW AVE, WAUKESHA, WI 53188(262) 548-7399(262) 970-6696 Get Directions Write a Review

NPPES record last updated: November 10, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Waukesha County NPPES

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

WAUKESHA COUNTY (NPI 1740403146) is a healthcare organization registered as a case management in Waukesha, Wisconsin and active in the NPI registry since April 2007. The organization lists David M Derosier, Credentialing Specialist, as its authorized official.

NPPES Registry Identity

NPI1740403146
Entity TypeOrganization
Primary Taxonomy251B00000X
Legal Business NameWAUKESHA COUNTY
Location Address514 RIVERVIEW AVEWaukesha, WI 53188-3632
Mailing Address514 Riverview AveWaukesha, WI 53188-3631 · (262) 548-7399 · Fax (262) 970-6696
Fax(262) 970-6696
Organization SubpartNo
Authorized OfficialDavid M DerosierCredentialing Specialist · (262) 896-8431
Enumeration DateApril 11, 2007
Last NPPES UpdateNovember 10, 2025
NPPES CertifiedNovember 10, 2025
✔ NPI 1740403146 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 5

★ Primary SpecialtyCase ManagementAgencies
Taxonomy Code251B00000X
License✔ Licensed in WI · 4307700
Definition
An organization that is responsible for providing case management services. The agency provides services which assist an individual in gaining access to needed medical, social, educational, and/or other services. Case management services may be used to locate, coordinate, and monitor necessary appropriate services. It may be used to encourage the use of cost-effective medical care by referrals to appropriate providers and to discourage over utilization of costly services. Case management may also serve to provide necessary coordination of non-medical services such as vocational rehabilitation, education, employment, when the services provided enable the individual to function at the highest level.
Also ListedPublic Health or WelfareTaxonomy 251K00000X · License 80259 (WI)
Also ListedCommunity/Behavioral HealthTaxonomy 251S00000X · License 32976100 (WI)
Also ListedClinic/Center · Mental Health (Including Community Mental Health Center)Taxonomy 261QM0801X · License 42138400 (WI)
Also ListedPsychiatric UnitTaxonomy 273R00000X · License 10063300 (WI)
514 RIVERVIEW AVE, Waukesha, WI 53188

Other Names 1

Other NameWaukesha County (fiscal)

Other Identifiers 10

Medicaid10063326WI
Medicaid32976100WI
Medicaid43422400WI
Medicaid41760800WV
Medicaid43077000WI
Medicaid10063300WI
Medicaid32816300WI
Medicaid41760800WI
Medicaid42138400WI
Medicaid41861400WI

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Waukesha County is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

79

Medicare enrollment records show 79 clinicians reassign Medicare billing to Waukesha County, which bills Medicare for the services they deliver. Of these, 12 practice at this address and 45 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 8

Clinical Social Worker23
Psychiatry20
Mental Health Counselor15
Clinical Psychologist8
Nurse Practitioner8
Anesthesiology3
Marriage and Family Therapist1
Psychologist Billing Independently1

Nearest to this location (20)

See all 79
Clinical Social Worker
NPI 1114683356
514 RIVERVIEW AVE
Waukesha, WI 53188
(262) 548-7665
✔ PECOS✔ Accepts MedicareSame address
Clinical Social Worker
NPI 1417404674
514 RIVERVIEW AVE
Waukesha, WI 53188
(262) 548-7666
✔ PECOSSame address
Nurse Practitioner
NPI 1821467986
514 RIVERVIEW AVE
Waukesha, WI 53188
(262) 548-7666
✔ PECOS✔ Accepts MedicareSame address
Clinical Social Worker
NPI 1659030393
514 RIVERVIEW AVE
Waukesha, WI 53188
(262) 548-7666
✔ PECOS✔ Accepts MedicareSame address
Clinical Social Worker
NPI 1164288791
514 RIVERVIEW AVE
Waukesha, WI 53188
(262) 548-7212
✔ PECOSSame address
Mental Health Counselor
NPI 1962974618
514 RIVERVIEW AVE
Waukesha, WI 53188
(262) 246-2732
✔ PECOS✔ Accepts MedicareSame address
Psychiatry
NPI 1548491343
514 RIVERVIEW AVE
Waukesha, WI 53188
(262) 548-7951
✔ PECOSSame address
Clinical Social Worker
NPI 1174037196
514 RIVERVIEW AVE
Waukesha, WI 53188
(262) 548-7666
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1760882229
514 RIVERVIEW AVE
Waukesha, WI 53188
(262) 548-7666
✔ PECOSSame address
Clinical Social Worker
NPI 1043502982
514 RIVERVIEW AVE
Waukesha, WI 53188
(262) 388-5508
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1497017057
514 RIVERVIEW AVE
Waukesha, WI 53188
(262) 548-7666
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1669995411
514 RIVERVIEW AVE
Waukesha, WI 53188
(262) 548-7666
✔ PECOS✔ Accepts MedicareSame address
Clinical Social Worker
NPI 1003516923
514 RIVERVIEW AVE
Waukesha, WI 53188
(262) 893-5317
✔ PECOSSame address
Clinical Social Worker
NPI 1720717168
514 RIVERVIEW AVE
Waukesha, WI 53188
(262) 547-3388
✔ PECOSSame address
Mental Health Counselor
NPI 1619629995
514 RIVERVIEW AVE
Waukesha, WI 53188
(262) 548-7666
✔ PECOS✔ Accepts MedicareSame address
Psychologist Billing Independently
NPI 1518527639
514 RIVERVIEW AVE
Waukesha, WI 53188
(262) 548-7666
✔ PECOS✔ Accepts MedicareSame address
Clinical Social Worker
NPI 1932809837
514 RIVERVIEW AVE
Waukesha, WI 53188
(262) 548-7666
✔ PECOSSame address
Clinical Social Worker
NPI 1821452095
514 RIVERVIEW AVE
Waukesha, WI 53188
(262) 548-7666
✔ PECOS✔ Accepts Medicare0.1 mi
Clinical Psychologist
NPI 1891163234
514 RIVERVIEW AVE
Waukesha, WI 53188
(262) 548-7666
✔ PECOS✔ Accepts Medicare0.1 mi
Psychiatry
NPI 1265533392
514 RIVERVIEW AVE
Waukesha, WI 53188
(262) 548-7666
✔ PECOS✔ Accepts Medicare0.1 mi
See all 79 clinicians

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 Waukesha County's NPI number?

The NPI number for Waukesha County is 1740403146. It was assigned to this organization in the NPPES registry on April 11, 2007. The provider is also known as Waukesha County (Fiscal).

Where is Waukesha County located?

Waukesha County is located at 514 Riverview Ave, Waukesha, WI 53188. The listed phone number is (262) 548-7399.

What is Waukesha County's specialty?

The primary specialty registered for this NPI is Case Management with taxonomy code 251B00000X.

Is Waukesha County enrolled in Medicare?

Yes. Waukesha County is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Waukesha County?

According to the CMS Revalidation Reassignment List (October 2026 release), 79 clinicians in 8 Medicare specialties reassign their Medicare billing to Waukesha County. 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. The largest specialties are Clinical Social Worker (23), Psychiatry (20) and Mental Health Counselor (15). Of these, 12 practice at this address and 45 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Waukesha County accept?

Health plans from CareSource (Common Ground Healthcare) list Waukesha County as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Waukesha County was last updated on November 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.