Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Everardo Leon, PsyD

Psychologist in Fairfield, CA · enumerated 2022.

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

National Provider Identifier

1770211666

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Registry record

Entity type Individual (Type 1)

Name Everardo Leon

Credential PsyD

Sex Male

Practice address 520 Chadbourne Rd, Fairfield, CA, 94534

Phone (707) 366-3600

Enumeration date Aug 10, 2022

Last updated in NPPES Sep 28, 2026

Taxonomy & licenses

103T00000X Psychologist Behavioral Health & Social Service Providers Primary

PSYD · Doctor of Psychology: A clinical doctorate in psychology focused on professional practice. About the PSYD credential

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

What is the NPI number for Everardo Leon?

The National Provider Identifier (NPI) for Everardo Leon is 1770211666, a Type 1 (individual) record in the CMS NPPES registry.

Where does Everardo Leon practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-09-28.