Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Aaron James Gonzales, MFTI

Marriage & Family Therapist in Redwood City, CA · enumerated 2015.

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

National Provider Identifier

1891178091

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Registry record

Entity type Individual (Type 1)

Name Mr. Aaron James Gonzales

Credential MFTI

Sex Male

Practice address 802 Brewster Ave, Redwood City, CA, 94063

Phone (650) 363-4111

Enumeration date Jul 7, 2015

Last updated in NPPES May 14, 2021

Taxonomy & licenses

106H00000X Marriage & Family Therapist Behavioral Health & Social Service Providers · License 90171 (CA) Primary

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary

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

Is NPI 1891178091 active?

Yes, as of the latest NPPES snapshot, NPI 1891178091 is active (record last updated 2021-05-14).

How do I verify Aaron Gonzales's NPI record?

Cross-check NPI 1891178091 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-05-14.