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

Russell Wieston Brethauer, PSYD.

Clinical Psychologist in Elm Grove, WI · enumerated 2006 · practices at Whyoga Inc.

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

National Provider Identifier

1023062528

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Registry record

Entity type Individual (Type 1)

Name Russell Wieston Brethauer

Credential PSYD.

Sex Male

Practice address Elm Grove, WI, 53122

Phone (262) 785-5557

Fax (262) 785-5586

Enumeration date May 19, 2006

Last updated in NPPES Oct 18, 2007

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

Taxonomy & licenses

103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers · License 983 (WI) Primary

106H00000X Marriage & Family Therapist Behavioral Health & Social Service Providers · License 185 (WI) Secondary

PSYD · Doctor of Psychology: A clinical doctorate in psychology focused on professional practice. About the PSYD credential

Other identifiers

Identifier	Type	State	Issuer
39027200	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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Russell Brethauer?

The National Provider Identifier (NPI) for Russell Brethauer is 1023062528, a Type 1 (individual) record in the CMS NPPES registry.

Where does Russell Brethauer practice?

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

Other providers at this practice address

Browse all →

Mark Snyder Physical Therapist · Elm Grove, WI NPI 1609848761 Whyoga Inc Physical Therapy Clinic/Center · Elm Grove, WI NPI 1063718476 Virginia Jurken Physical Therapist · Elm Grove, WI NPI 1659677060 Megan Bielinski Acupuncturist · Elm Grove, WI NPI 1578936555 Cole Van Nuys Occupational Therapist · Elm Grove, WI NPI 1194673657

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-10-18.