NPPES file of Aug 9, 2026

Karen Marie Allen, PHD

Clinical Psychologist · Fountain Valley, CA

Karen Marie Allen, PHD is a clinical psychologist with a practice address in Fountain Valley, California, and NPI 1588964969, issued on Nov 1, 2010. Check the license (California PSB 35554, 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.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1588964969
Name
Karen Marie Allen
Credential
PHD
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
PSB 35554 CA
Self-reported in NPPES; status is on the state search
Practice location
10101 Slater Ave, Fountain Valley, CA 92708
Phone
(714) 963-5023
Enumerated
Nov 1, 2010
Record last updated
Nov 1, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(714) 964-5784
Medicare enrollment
Enrolled (PECOS I20110121000121); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 10101 Slater Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jessica Appel, BSWCounselor1750613014
  2. Hannah BaussClinical Child & Adolescent Psychologist1770830226
  3. Carol Cole, LMFTMental Health Counselor1316015043
  4. Anhthu Dang, M.S.Marriage & Family Therapist1841303385
  5. Maurie EdelmanClinical Psychologist1063522324
  6. Sharon Garrett, MFTMental Health Counselor1093804551

Verify Karen Marie Allen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license PSB 35554
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

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Clinical Psychologist providers in California

There are 12,647 clinical psychologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other clinical psychologist records in California

  1. Tanya Aaen, PH.D.Martinez, CA1477518561
  2. Jack Aamot, PSY.D.Napa, CA1770711210
  3. Brian Abary, PSY.DLos Angeles, CA1538354832
  4. Tatevik Abaryan, PH.D.Pacoima, CA1952682619
  5. Liana Abascal, PH.D.San Diego, CA1073740569
  6. Jessica Abdalla, PHDWalnut Creek, CA1558069211
  7. Mohamed Abdallah, PSY.DEl Centro, CA1912430851
  8. Megan Abdolrashidi, PSYDGilroy, CA1093293094
  9. Keri Abdullah, PH.D.San Diego, CA1699840587
  10. Qutayba Abdullatif, PH.D.Pasadena, CA1134667751

Common questions

What is Karen Marie Allen, PHD's NPI number?

Karen Marie Allen, PHD's National Provider Identifier (NPI) is 1588964969, issued on Nov 1, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Karen Marie Allen, PHD located?

The NPPES record lists a practice address at 10101 Slater Ave, Fountain Valley, CA, 92708. Phone: (714) 963-5023. Providers update this record themselves, so call before visiting.

How can I verify Karen Marie Allen, PHD's license?

NPPES lists California license number PSB 35554, 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.