Katherine Ko, OTR/L
Occupational Therapist · Torrance, CA
Katherine Ko, OTR/L is an occupational therapist with a practice address in Torrance, California, and NPI 1306389275, issued on Nov 28, 2016. Check the license (California 16804, 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 Ko
- Credential
- OTR/L
- Primary taxonomy
- Occupational Therapist 225X00000X
- License number
- 16804 CA
Self-reported in NPPES; status is on the state search - Practice location
- 21615 Hawthorne Blvd, Torrance, CA 90503
- Phone
- (310) 371-8555
- Enumerated
- Nov 28, 2016
- Record last updated
- Jan 1, 2017 (not updated in 9 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 →
Also registered at 21615 Hawthorne Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alyssa Brands, PT, DPTPhysical Therapist1376884924
- Jacqueline Bresnahan, M.S., OTR/LPediatric Occupational Therapist1619337870
- Todd Bui, PT, DPT, ATCPediatric Physical Therapist1285068494
- Angela Cho, OTR/LPediatric Occupational Therapist1467751719
- Eva CiccodicolaPhysical Therapist1639712755
- Kristina Cobuzzi, OTR/LPediatric Occupational Therapist1912278813
Verify Katherine Ko in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 16804Check 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 Ko among 9,244 occupational therapist records in California
Katherine Ko, OTR/L 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 2016, is newer than 38% of them.
- NPI issued2016 · 38% of these records are older, 58% newer
- In a Medicare fileNo · 9% of these records are
- In the CMS Doctors and Clinicians fileNo · 10% of these records are
- Record last updated2017 · 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).
198 occupational therapist records list a practice address in Torrance
They are 198 of the 8,901 NPPES records with a practice address in Torrance, 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 Torrance → Occupational Therapist nationwide →
The 8 occupational therapist records with the nearest ZIP codes
- Michele Burrell, OTR/LTorrance, CA 905031962891358
- Man Chin, OTRTorrance, CA 905031568668994
- Kathryn Cotter, MS,OTR/LTorrance, CA 905031477997187
- Eunice Kim, OTDTorrance, CA 905031215359237
- Kayla La Rouche, OTR/LTorrance, CA 905031295285724
- Judith Loddengaard, OTRLTorrance, CA 905031346686532
- Marlys Loyer, MS,OTR/LTorrance, CA 905031427236314
- Shana Novegrod, OTTorrance, CA 905031023417102
Common questions
What is Katherine Ko, OTR/L's NPI number?
Katherine Ko, OTR/L's National Provider Identifier (NPI) is 1306389275, issued on Nov 28, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Ko, OTR/L located?
The NPPES record lists a practice address at 21615 Hawthorne Blvd, Torrance, CA, 90503. Phone: (310) 371-8555. Providers update this record themselves, so call before visiting.
How can I verify Katherine Ko, OTR/L's license?
NPPES lists California license number 16804, 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.