NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Charlene Rose Esters Tomasini

Mental Health Counselor in Gilroy, CA · enumerated 2022.

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

National Provider Identifier

1366103756

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Charlene Rose Esters Tomasini
Sex Female
Practice address 290 Ioof Ave, Gilroy, CA, 95020
Enumeration date Jan 7, 2022
Last updated in NPPES Jan 7, 2022

Taxonomy & licenses

101YM0800X Mental Health Counselor 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Charlene Tomasini?
The National Provider Identifier (NPI) for Charlene Tomasini is 1366103756, a Type 1 (individual) record in the CMS NPPES registry.
Where does Charlene Tomasini practice?
The practice location on file with NPPES is in Gilroy, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-01-07.