Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Mrs. Janet M. Patterson, MSW, CAPSW, MFT

Marriage & Family Therapist in Delafield, WI · enumerated 2010.

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

National Provider Identifier

1851615348

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Registry record

Entity type Individual (Type 1)

Name Mrs. Janet M. Patterson

Credential MSW, CAPSW, MFT

Sex Female

Practice address Delafield, WI, 53018

Phone (262) 337-1437

Fax (262) 367-7470

Enumeration date Mar 26, 2010

Last updated in NPPES Mar 26, 2010

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

106H00000X Marriage & Family Therapist Behavioral Health & Social Service Providers · License 127993-121 (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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Janet Patterson?

The National Provider Identifier (NPI) for Janet Patterson is 1851615348, a Type 1 (individual) record in the CMS NPPES registry.

Where does Janet Patterson practice?

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

Other providers at this practice address

Browse all →

Janet M. Patterson LLC Clinical Social Worker · Delafield, WI NPI 1477802460 Suzanne Roundy-Schmidt, LLC Clinical Social Worker · Delafield, WI NPI 1871043984

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-03-26.