NPPES file of Aug 9, 2026

Kathryn Han Koo, PH.D.

Psychologist · Stanton, CA

Kathryn Han Koo, PH.D. is a psychologist with a practice address in Stanton, California, and NPI 1356821060, issued on Aug 21, 2018. Check the license (California 30260, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1356821060
Name
Kathryn Han Koo
Credential
PH.D.
Primary taxonomy
Psychologist 103T00000X
License number
30260 CA
Self-reported in NPPES; status is on the state search
Practice location
12362 Beach Blvd Ste 10, Stanton, CA 90680
Phone
(714) 248-9500
Enumerated
Aug 21, 2018
Record last updated
Aug 10, 2023
Medicare enrollment
Enrolled (PECOS I20181025001874); accepts Medicare assignment
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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8 nearest psychologist records → All 7,304 in California → Look up another NPI →

Also registered at 12362 Beach Blvd Ste 10

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

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  3. Anna Jang, FNPFamily Nurse Practitioner1184340333
  4. Heejin Kim, NURSE PRACTITIONERFamily Nurse Practitioner1184242976
  5. Hyun Joo Kim, L.AC.Acupuncturist1962004762
  6. Seongjo KimAcupuncturist1679194567

Verify Kathryn Han Koo 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 30260    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.

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Bills Medicare through one group practice

  1. Livingstone Community Development CorporationStanton, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Kathryn Han Koo among 7,304 psychologist records in California

Kathryn Han Koo, PH.D. is one of 7,304 psychologist records with a practice address in California. 6% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 73% of them.

  • NPI issued2018 · 73% of these records are older, 23% newer
  • In a Medicare fileYes · 6% of these records are
  • In the CMS Doctors and Clinicians fileYes · 14% of these records are
  • Graduated1999 · median 2005 among the 1,058 with a school on file
  • Record last updated2023 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychologist providers in California

There are 7,304 psychologist records in California.

All 7,304 in California → Every provider in Stanton → Psychologist nationwide →

The 8 psychologist records with the nearest ZIP codes

  1. Sandra Abraham, PSYDSanta Fe Springs, CA 906701427467851
  2. Taylor DemottaSanta Fe Springs, CA 906701558926998
  3. Sophia Fidai, MASanta Fe Springs, CA 906701538617386
  4. Erica KirkSanta Fe Spgs, CA 906701891520102
  5. Breeanna LongSanta Fe Springs, CA 906701518841857
  6. Guadalupe MaldonadoSanta Fe Springs, CA 906701902579014
  7. Ruth MaoudaSanta Fe Springs, CA 906701497317747
  8. Jessie Rincon-Schlutz, PSY.D.Santa Fe Springs, CA 906701700267499

Common questions

What is Kathryn Han Koo, PH.D.'s NPI number?

Kathryn Han Koo, PH.D.'s National Provider Identifier (NPI) is 1356821060, issued on Aug 21, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Kathryn Han Koo, PH.D. located?

The NPPES record lists a practice address at 12362 Beach Blvd Ste 10, Stanton, CA, 90680. Phone: (714) 248-9500. Providers update this record themselves, so call before visiting.

How can I verify Kathryn Han Koo, PH.D.'s license?

NPPES lists California license number 30260, 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. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.