Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Nikki Einfeld, MS, AMFT, APCC

Marriage & Family Therapist in Petaluma, CA · enumerated 2025.

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

National Provider Identifier

1972482123

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Registry record

Entity type Individual (Type 1)

Name Nikki Einfeld

Credential MS, AMFT, APCC

Sex Female

Practice address 135 Keller St Ste B, Petaluma, CA, 94952

Phone (415) 448-6194

Enumeration date Sep 1, 2025

Last updated in NPPES Sep 1, 2025

Taxonomy & licenses

101YP2500X Professional Counselor Behavioral Health & Social Service Providers · License 19826 (CA) Secondary

106H00000X Marriage & Family Therapist Behavioral Health & Social Service Providers · License 156006 (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 Nikki Einfeld practice?

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

What is the NPI number for Nikki Einfeld?

The National Provider Identifier (NPI) for Nikki Einfeld is 1972482123, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Anthony D'Aura Marriage & Family Therapist · Petaluma, CA NPI 1528980174

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-01.