Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Kathryn Hostettler, MSW

Clinical Social Worker in Winnetka, CA · enumerated 2013 · practices at Kathryn Hostettler Licensed Clinical Social Worker Wellness, Inc..

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

National Provider Identifier

1790114213

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Kathryn Hostettler

Credential MSW

Sex Female

Practice address 7113 Oakdale Ave, Winnetka, CA, 91306

Phone (609) 356-8643

Enumeration date Nov 5, 2013

Last updated in NPPES Jan 20, 2022

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 44SL05737100 (NJ) 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

Where does Kathryn Hostettler practice?

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

What is the NPI number for Kathryn Hostettler?

The National Provider Identifier (NPI) for Kathryn Hostettler is 1790114213, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

Browse all →

Kathryn Hostettler Licensed Clinical Social Worker Wellness, Inc. Adult Mental Health Clinic/Center · Winnetka, CA NPI 1336891373

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-01-20.