What is Lydia Patkay's NPI number?

Lydia Patkay's National Provider Identifier (NPI) is 1831037894, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Lydia Patkay's specialty?

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

Where is Lydia Patkay located?

Lydia Patkay's practice location on file with NPPES is 150 E St, Martinez, CA 94553-3139.

What is Lydia Patkay's phone number?

The practice phone number listed in the NPPES registry for Lydia Patkay is (925) 335-5810.

Is Lydia Patkay's NPI active?

Yes — Lydia Patkay's NPI (1831037894) is active in the NPPES registry as of the last update on 2026-03-23.

IndividualActive

Lydia Patkay, MA/CAGS

NPI 1831037894 · School Psychologist · Martinez, CA

Lydia Patkay, MA/CAGS is a School Psychologist provider in Martinez, CA (NPI 1831037894).

Provider details

NPI number: 1831037894
Entity type: Individual
Primary specialty: School PsychologistBehavioral Health & Social Service Providers
Credential: MA/CAGS
Sex: Female
Sole proprietor: No
License: 230221483 (CA)

Specialties & taxonomies

School PsychologistPrimary103TS0200XLicense 230221483 (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

150 E St

Martinez, CA 94553-3139

Phone: (925) 335-5810

Street-level locationGet directions

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Mailing address