What is Iris Lancaster's NPI number?

Iris Lancaster's National Provider Identifier (NPI) is 1952096257, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Iris Lancaster's specialty?

Iris Lancaster is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).

Where is Iris Lancaster located?

Iris Lancaster's practice location on file with NPPES is 150 Linden St, Oakland, CA 94607-2538.

What is Iris Lancaster's phone number?

The practice phone number listed in the NPPES registry for Iris Lancaster is (510) 273-4700.

Is Iris Lancaster's NPI active?

Yes — Iris Lancaster's NPI (1952096257) is active in the NPPES registry as of the last update on 2025-08-04.

IndividualActive

Iris Lancaster

NPI 1952096257 · Social Worker · Oakland, CA

Iris Lancaster is a Social Worker provider in Oakland, CA (NPI 1952096257).

Provider details

NPI number: 1952096257
Entity type: Individual
Primary specialty: Social WorkerBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: Yes
License: 113492 (CA)

Specialties & taxonomies

Social WorkerPrimary104100000XLicense 113492 (CA)
Behavioral Health & Social Service Providers

Profile Score

Established profile(58/100 index)

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

Registry tenure38% of score
3 yrs in NPPES 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 Linden St

Oakland, CA 94607-2538

Phone: (510) 273-4700

Street-level locationGet directions

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Mailing address