Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Darcey Lynn Johnson-Timmerman, BSW

Case Manager/Care Coordinator in La Crosse, WI · enumerated 2009 · practices at La Crosse County Cmo.

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

National Provider Identifier

1609010750

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Registry record

Entity type Individual (Type 1)

Name Ms. Darcey Lynn Johnson-Timmerman

Credential BSW

Sex Female

Practice address 1407 Saint Andrew St Ste 100, La Crosse, WI, 54603

Phone (608) 785-6256

Fax (608) 785-6315

Enumeration date Apr 20, 2009

Last updated in NPPES Apr 20, 2009

Taxonomy & licenses

171M00000X Case Manager/Care Coordinator Other Service Providers · License 9165-120 (WI) Primary

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

What is the NPI number for Darcey Johnson-Timmerman?

The National Provider Identifier (NPI) for Darcey Johnson-Timmerman is 1609010750, a Type 1 (individual) record in the CMS NPPES registry.

Where does Darcey Johnson-Timmerman practice?

The practice location on file with NPPES is in La Crosse, WI. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-04-20.