What is Lenis Brown's NPI number?

Lenis Brown's National Provider Identifier (NPI) is 1265390777, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Lenis Brown's specialty?

Lenis Brown is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).

Where is Lenis Brown located?

Lenis Brown's practice location on file with NPPES is 650 N Delaware St, San Mateo, CA 94401-1732.

What is Lenis Brown's phone number?

The practice phone number listed in the NPPES registry for Lenis Brown is (559) 305-2355.

Is Lenis Brown's NPI active?

Yes — Lenis Brown's NPI (1265390777) is active in the NPPES registry as of the last update on 2026-01-13.

IndividualActive

Lenis Brown, LEP

NPI 1265390777 · Psychologist · San Mateo, CA

Lenis Brown, LEP is a Psychologist provider in San Mateo, CA (NPI 1265390777).

Provider details

NPI number: 1265390777
Entity type: Individual
Primary specialty: PsychologistBehavioral Health & Social Service Providers
Credential: LEP
Sex: Male
Sole proprietor: No
License: 4226 (CA)

Specialties & taxonomies

PsychologistPrimary103T00000XLicense 4226 (CA)
Behavioral Health & Social Service Providers

Profile Score

Established profile(53/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

650 N Delaware St

San Mateo, CA 94401-1732

Phone: (559) 305-2355

Street-level locationGet directions

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Mailing address