NPPES file of Aug 9, 2026

Cathy Ryu, PT, DPT

Physical Therapist · Fullerton, CA

Cathy Ryu, PT, DPT is a physical therapist with a practice address in Fullerton, California, and NPI 1013129949, issued on May 4, 2007. Check the license (California 33458, 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
1013129949
Name
Cathy Ryu
Credential
PT, DPT
Primary taxonomy
Physical Therapist 225100000X
License number
33458 CA
Self-reported in NPPES; status is on the state search
Practice location
1401 W Valencia Dr, Fullerton, CA 92833
Phone
(714) 447-7400
Enumerated
May 4, 2007
Record last updated
Aug 5, 2026
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.
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Also registered at 1401 W Valencia Dr

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

  1. Quiriana AngelesSchool Psychologist1972477099
  2. Kimberly CungSchool Psychologist1710850649
  3. Michael KleinCounselor1518800242
  4. Jennifer LacroixSchool Psychologist1497627780
  5. Mija LeeProfessional Counselor1639611387
  6. Monica Lind, CCC-SLPSpeech-Language Pathologist1245857903

Verify Cathy Ryu 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 33458
    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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Cathy Ryu among 22,531 physical therapist records in California

Cathy Ryu, PT, DPT is one of 22,531 physical therapist records with a practice address in California. 32% 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 2007, is newer than 16% of them.

  • NPI issued2007 · 16% of these records are older, 73% newer
  • In a Medicare fileNo · 32% of these records are
  • In the CMS Doctors and Clinicians fileNo · 34% of these records are
  • Record last updated2026 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 225100000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

60 physical therapist records list a practice address in Fullerton

They are 60 of the 5,437 NPPES records with a practice address in Fullerton, and 22,531 physical therapist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 physical therapist records with the nearest ZIP codes

  1. Karina Bell, P.T.Fullerton, CA 928331760798813
  2. Richard Bien, P.T.,L.AC., PH.D.Fullerton, CA 928331669493094
  3. Sung Kim, DPTFullerton, CA 928331861887747
  4. Devin KimFullerton, CA 928331568160778
  5. Jinsoo LeeFullerton, CA 928331720886146
  6. Joanne MascarinasFullerton, CA 928331669548277
  7. Roubi Moosavi, PTFullerton, CA 928331073723060
  8. Natja Richardson, RPTFullerton, CA 928331801284245

Common questions

What is Cathy Ryu, PT, DPT's NPI number?

Cathy Ryu, PT, DPT's National Provider Identifier (NPI) is 1013129949, issued on May 4, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Cathy Ryu, PT, DPT located?

The NPPES record lists a practice address at 1401 W Valencia Dr, Fullerton, CA, 92833. Phone: (714) 447-7400. Providers update this record themselves, so call before visiting.

How can I verify Cathy Ryu, PT, DPT's license?

NPPES lists California license number 33458, 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.