NPPES file of Aug 9, 2026

Angela Chan, COTA/L

Occupational Therapy Assistant · Placentia, CA

Angela Chan, COTA/L is an occupational therapy assistant with a practice address in Placentia, California, and NPI 1649779117, issued on Feb 9, 2018. Check the license (California 4144, 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
1649779117
Name
Angela Chan
Credential
COTA/L
Primary taxonomy
Occupational Therapy Assistant 224Z00000X
License number
4144 CA
Self-reported in NPPES; status is on the state search
Practice location
740 S Placentia Ave Ste 100, Placentia, CA 92870
Phone
(714) 646-8318
Enumerated
Feb 9, 2018
Record last updated
Feb 9, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(714) 646-8320
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 740 S Placentia Ave Ste 100

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

  1. Judith Grechko, OTROccupational Therapist1689864084
  2. Chen Chih HuSpeech-Language Pathologist1730329624
  3. Paying LeeSpeech-Language Pathologist1144732710
  4. Rose LeeOccupational Therapist1225417264
  5. Rosita Lok, SLPASpeech-Language Assistant1164931937
  6. Michelle Mach, M.P.T.Physical Therapist1316205693

Verify Angela Chan 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 4144
    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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Angela Chan among 1,869 occupational therapy assistant records in California

Angela Chan, COTA/L is one of 1,869 occupational therapy assistant records with a practice address in California. under 1% 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 2018, is newer than 38% of them.

  • NPI issued2018 · 38% of these records are older, 56% newer
  • In a Medicare fileNo · under 1% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2018 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 224Z00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

11 occupational therapy assistant records list a practice address in Placentia

They are 11 of the 1,002 NPPES records with a practice address in Placentia, and 1,869 occupational therapy assistant records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 occupational therapy assistant records with the nearest ZIP codes

  1. Michelle Alfonso, COTA/LPlacentia, CA 928701013682772
  2. Raymond BarrowPlacentia, CA 928701427751601
  3. Nasym EmamiPlacentia, CA 928701801152475
  4. Daniel GuerreroPlacentia, CA 928701518689777
  5. Marsha MartinezPlacentia, CA 928701457520637
  6. Debra McMillen, COTAPlacentia, CA 928701114460383
  7. Angelita RamirezPlacentia, CA 928701700388386
  8. Emily RodriguezPlacentia, CA 928701093222507

Common questions

What is Angela Chan, COTA/L's NPI number?

Angela Chan, COTA/L's National Provider Identifier (NPI) is 1649779117, issued on Feb 9, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Angela Chan, COTA/L located?

The NPPES record lists a practice address at 740 S Placentia Ave Ste 100, Placentia, CA, 92870. Phone: (714) 646-8318. Providers update this record themselves, so call before visiting.

How can I verify Angela Chan, COTA/L's license?

NPPES lists California license number 4144, 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.