NPPES file of Aug 9, 2026

Katrina Rydzewski, PSYD

Clinical Psychologist · Los Angeles, CA

Katrina Rydzewski, PSYD is a clinical psychologist with a practice address in Los Angeles, California, and NPI 1235507997, issued on Sep 10, 2015. Check the license (California PSY30831, 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
1235507997
Name
Katrina Rydzewski
Credential
PSYD
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
PSY30831 CA
Self-reported in NPPES; status is on the state search
Practice location
1990 Westwood Blvd., Los Angeles, CA 90025
Phone
(248) 755-0621
Enumerated
Sep 10, 2015
Record last updated
Aug 22, 2024
Fax
(801) 582-5540
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 1990 Westwood Blvd.

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

  1. Frank Derratt, DCChiropractor1033289814

Verify Katrina Rydzewski 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 PSY30831
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

1,268 clinical psychologist records list a practice address in Los Angeles

They are 1,268 of the 69,537 NPPES records with a practice address in Los Angeles, and 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 Katrina Rydzewski, PSYD's NPI number?

Katrina Rydzewski, PSYD's National Provider Identifier (NPI) is 1235507997, issued on Sep 10, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Katrina Rydzewski, PSYD located?

The NPPES record lists a practice address at 1990 Westwood Blvd., Los Angeles, CA, 90025. Phone: (248) 755-0621. Providers update this record themselves, so call before visiting.

How can I verify Katrina Rydzewski, PSYD's license?

NPPES lists California license number PSY30831, 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.