Leslie Klein, PH.D.
Psychologist · Seal Beach, CA
Leslie Klein, PH.D. is a psychologist with a practice address in Seal Beach, California, and NPI 1043604291, issued on Mar 26, 2015. Check the license (California 25591, 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
- Leslie Klein
- Credential
- PH.D.
- Primary taxonomy
- Psychologist 103T00000X
- License number
- 25591 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3020 Old Ranch Pkwy, Seal Beach, CA 90740
- Phone
- (562) 799-5559
- Enumerated
- Mar 26, 2015
- Record last updated
- Apr 2, 2015 (not updated in 11 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 3020 Old Ranch Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hannah Blackmore, APCCMental Health Counselor1003694266
- Sharon Kelly, PH.D.Mental Health Counselor1215062658
- Brianna MondyMarriage & Family Therapist1194335398
- Jennifer Yates, MFTMarriage & Family Therapist1871624676
Verify Leslie Klein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 25591Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7 psychologist records list a practice address in Seal Beach
They are 7 of the 394 NPPES records with a practice address in Seal Beach, and 7,304 psychologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 7 in Seal Beach → All 7,304 in California → Every provider in Seal Beach →
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 Leslie Klein, PH.D.'s NPI number?
Leslie Klein, PH.D.'s National Provider Identifier (NPI) is 1043604291, issued on Mar 26, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Leslie Klein, PH.D. located?
The NPPES record lists a practice address at 3020 Old Ranch Pkwy, Seal Beach, CA, 90740. Phone: (562) 799-5559. Providers update this record themselves, so call before visiting.
How can I verify Leslie Klein, PH.D.'s license?
NPPES lists California license number 25591, 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.