Brian Klassen, PSY.D.
Clinical Psychologist · San Diego, CA
Brian Klassen, PSY.D. is a clinical psychologist with a practice address in San Diego, California, and NPI 1871769885, issued on Apr 30, 2008. Check the license (California PSY 22975, 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
- Brian Klassen
- Credential
- PSY.D.
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- PSY 22975 CA
Self-reported in NPPES; status is on the state search - Practice location
- 46141 Miramar Way, San Diego, CA 92145
- Phone
- (858) 577-7049
- Enumerated
- Apr 30, 2008
- Record last updated
- Feb 1, 2014 (not updated in 12 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 12,647 in California → Look up another NPI →
Also registered at 46141 Miramar Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Deborah Bell, L.C.S.W.Clinical Social Worker1619172319
- Tina Marin, PH.D.Clinical Psychologist1275736704
- Jeffrey Thompson, LCSWClinical Social Worker1922320050
Verify Brian Klassen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY 22975Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Brian Klassen among 12,647 clinical psychologist records in California
Brian Klassen, PSY.D. is one of 12,647 clinical psychologist records with a practice address in California. 9% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2008, is newer than 43% of them.
- NPI issued2008 · 43% of these records are older, 51% newer
- In a Medicare fileNo · 9% of these records are
- In the CMS Doctors and Clinicians fileNo · 19% of these records are
- Record last updated2014 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
983 clinical psychologist records list a practice address in San Diego
They are 983 of the 52,937 NPPES records with a practice address in San Diego, and 12,647 clinical psychologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 12,647 in California → Every provider in San Diego → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- David Defrancesco, PH.D.San Diego, CA 921451215131560
- Tina Marin, PH.D.San Diego, CA 921451275736704
- Rhoda Carino Diokno, PSY.D.San Diego, CA 921391629109483
- Lorena Aguila, PH.D.San Diego, CA 921541518977925
- Jesus Herrera, PSYDSan Diego, CA 921361356466601
- John Hintz, PH.D.San Diego, CA 921361467423335
- Linda Ronquillo, PSYDSan Diego, CA 921541164785572
- Kenneth Sekulic, PSY.D.San Diego, CA 921361649616087
Common questions
What is Brian Klassen, PSY.D.'s NPI number?
Brian Klassen, PSY.D.'s National Provider Identifier (NPI) is 1871769885, issued on Apr 30, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Brian Klassen, PSY.D. located?
The NPPES record lists a practice address at 46141 Miramar Way, San Diego, CA, 92145. Phone: (858) 577-7049. Providers update this record themselves, so call before visiting.
How can I verify Brian Klassen, PSY.D.'s license?
NPPES lists California license number PSY 22975, 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.