NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Yesenia Lamas, MA CCC-SLP

Speech-Language Pathologist in Tracy, CA · enumerated 2020.

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

National Provider Identifier

1154953792

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Ms. Yesenia Lamas
Credential MA CCC-SLP
Sex Female
Practice address 632 W 11th St Ste 119, Tracy, CA, 95376
Fax (209) 237-2485
Enumeration date Feb 11, 2020
Last updated in NPPES Feb 11, 2020

Taxonomy & licenses

235Z00000X Speech-Language Pathologist Speech, Language and Hearing Service Providers · License 25184 (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

What is the NPI number for Yesenia Lamas?
The National Provider Identifier (NPI) for Yesenia Lamas is 1154953792, a Type 1 (individual) record in the CMS NPPES registry.
Where does Yesenia Lamas practice?
The practice location on file with NPPES is in Tracy, 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 2020-02-11.