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

Ms. Anna Vittoria Frattolillo, AMFT 92158

Marriage & Family Therapist in Sebastopol, CA · enumerated 2018.

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

National Provider Identifier

1417446543

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Registry record

Entity type Individual (Type 1)

Name Ms. Anna Vittoria Frattolillo

Credential AMFT 92158

Sex Female

Practice address Sebastopol, CA, 95472

Phone (707) 634-9039

Enumeration date May 3, 2018

Last updated in NPPES Mar 10, 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 · License AMFT92158 (CA) 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 Anna Frattolillo practice?

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

What is the NPI number for Anna Frattolillo?

The National Provider Identifier (NPI) for Anna Frattolillo is 1417446543, 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 2020-03-10.