Arie Koster, PSYD
Psychologist · Danville, CA
Arie Koster, PSYD is a psychologist with a practice address in Danville, California, and NPI 1265957542, issued on Aug 8, 2017. Check the license (California PSY34474, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Arie Koster
- Credential
- PSYD
- Primary taxonomy
- Psychologist 103T00000X
- License number
- PSY34474 CA
Self-reported in NPPES; status is on the state search - Practice location
- 140 Town And Country Dr Ste E, Danville, CA 94526
- Phone
- (925) 263-2342
- Enumerated
- Aug 8, 2017
- Record last updated
- Jun 26, 2024
- Entity
- Type 1 · individual
Also registered at 140 Town And Country Dr Ste E
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Keith Bonnes, PSYDClinical Psychologist1760935753
- Natasha Cameron, PH.D.Clinical Psychologist1053508226
Verify Arie Koster in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY34474Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11 psychologist records list a practice address in Danville
They are 11 of the 897 NPPES records with a practice address in Danville, and 7,304 psychologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 11 in Danville → All 7,304 in California → Every provider in Danville →
Other psychologist records in California
- Alice Abarbanel, PH.D.Albany, CA1598095002
- Michael Abbott, PSYDModesto, CA1346498151
- Riley AbelesLos Angeles, CA1841861945
- Jenna Abell, PSYDLos Angeles, CA1073743969
- Sheri Abercrombie, PSY.D.San Diego, CA1932292422
- Tseday Aberra, PSY.D.Corona, CA1104026517
- Elham Abouhamzeh, PSY.DIrvine, CA1386092880
- Lilit Abraamyan-ChaidezBurbank, CA1710433289
- Mackenzie Abraham, PHDRedondo Beach, CA1881053833
- Sandra Abraham, PSYDSanta Fe Springs, CA1427467851
Common questions
What is Arie Koster, PSYD's NPI number?
Arie Koster, PSYD's National Provider Identifier (NPI) is 1265957542, issued on Aug 8, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Arie Koster, PSYD located?
The NPPES record lists a practice address at 140 Town And Country Dr Ste E, Danville, CA, 94526. Phone: (925) 263-2342. Providers update this record themselves, so call before visiting.
How can I verify Arie Koster, PSYD's license?
NPPES lists California license number PSY34474, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.