Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Agnieszka Mack

Marriage & Family Therapist in Gilroy, CA · enumerated 2013.

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

National Provider Identifier

1801234687

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Registry record

Entity type Individual (Type 1)

Name Mrs. Agnieszka Mack

Sex Female

Practice address 9015 Murray Ave Ste 100, Gilroy, CA, 95020

Phone (408) 842-7138

Enumeration date Jun 13, 2013

Last updated in NPPES Jun 20, 2023

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

Where does Agnieszka Mack practice?

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

What is the NPI number for Agnieszka Mack?

The National Provider Identifier (NPI) for Agnieszka Mack is 1801234687, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-06-20.