Katherine Chen
Occupational Therapist · San Diego, CA
Katherine Chen is an occupational therapist with a practice address in San Diego, California, and NPI 1053089268, issued on Sep 1, 2021. Check the license (California 21142, 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
- Katherine Chen
- Primary taxonomy
- Occupational Therapist 225X00000X
- License number
- 21142 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4453 North Ave Apt 3, San Diego, CA 92116
- Phone
- (626) 242-5575
- Enumerated
- Sep 1, 2021
- Record last updated
- Sep 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest occupational therapist records → All 9,244 in California → Look up another NPI →
Verify Katherine Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 21142Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Katherine Chen among 9,244 occupational therapist records in California
Katherine Chen is one of 9,244 occupational therapist records with a practice address in California. 9% 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 2021, is newer than 65% of them.
- NPI issued2021 · 65% of these records are older, 29% newer
- In a Medicare fileNo · 9% of these records are
- In the CMS Doctors and Clinicians fileNo · 10% of these records are
- Record last updated2021 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 225X00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
661 occupational therapist records list a practice address in San Diego
They are 661 of the 52,937 NPPES records with a practice address in San Diego, and 9,244 occupational therapist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 9,244 in California → Every provider in San Diego → Occupational Therapist nationwide →
The 8 occupational therapist records with the nearest ZIP codes
- Kristine Ching, MS., OTRLSan Diego, CA 921161689009920
- Candice Dumais, OTR/LSan Diego, CA 921161699157321
- Ashley Giller, OTR/LSan Diego, CA 921161063289205
- Jessica LeiserSan Diego, CA 921161720636137
- Natalia Marquez-Sterling, OTDRSan Diego, CA 921161740901958
- Elaine Oxina, OCCUPATIONAL THERAPISan Diego, CA 921161780123174
- Nicole Denise Quisao, MS, OTR/LSan Diego, CA 921161932599644
- Dawn ThompsonSan Diego, CA 921161992687487
Common questions
What is Katherine Chen's NPI number?
Katherine Chen's National Provider Identifier (NPI) is 1053089268, issued on Sep 1, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Chen located?
The NPPES record lists a practice address at 4453 North Ave Apt 3, San Diego, CA, 92116. Phone: (626) 242-5575. Providers update this record themselves, so call before visiting.
How can I verify Katherine Chen's license?
NPPES lists California license number 21142, 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.