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

Jill Mattesich-Udoutch

Marriage & Family Therapist in Pleasanton, CA · enumerated 2020 · practices at Mind & Spirit Counseling Center.

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

National Provider Identifier

1912537648

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Registry record

Entity type Individual (Type 1)

Name Jill Mattesich-Udoutch

Sex Female

Practice address Pleasanton, CA, 94566

Phone (925) 960-3552

Enumeration date Jan 22, 2020

Last updated in NPPES Jan 22, 2020

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 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 Jill Mattesich-Udoutch?

The National Provider Identifier (NPI) for Jill Mattesich-Udoutch is 1912537648, a Type 1 (individual) record in the CMS NPPES registry.

Where does Jill Mattesich-Udoutch practice?

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

Other providers at this practice address

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Mind & Spirit Counseling Center Mental Health Clinic/Center (Including Community Mental Health Center) · Pleasanton, CA NPI 1750921623

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-01-22.