What is Arie Koster's NPI number?

Arie Koster's National Provider Identifier (NPI) is 1265957542, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Arie Koster's specialty?

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

Where is Arie Koster located?

Arie Koster's practice location on file with NPPES is 140 Town and Country Dr Ste E, Danville, CA 94526-3995.

What is Arie Koster's phone number?

The practice phone number listed in the NPPES registry for Arie Koster is (925) 263-2342.

Is Arie Koster's NPI active?

Yes — Arie Koster's NPI (1265957542) is active in the NPPES registry as of the last update on 2024-06-26.

IndividualActive

Arie Koster, PSYD

NPI 1265957542 · Psychologist · Danville, CA

Arie Koster, PSYD is a Psychologist provider in Danville, CA (NPI 1265957542).

Provider details

NPI number: 1265957542
Entity type: Individual
Primary specialty: PsychologistBehavioral Health & Social Service Providers
Credential: PSYD
Sex: Male
Sole proprietor: Yes
License: PSY34474 (CA)

Specialties & taxonomies

PsychologistPrimary103T00000XLicense PSY34474 (CA)
Behavioral Health & Social Service Providers

Profile Score

Established profile(69/100 index)

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

Registry tenure38% of score
8 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

140 Town and Country Dr Ste E

Danville, CA 94526-3995

Phone: (925) 263-2342

Street-level locationGet directions

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Mailing address