Catherine Chan, PA-C
Medical Physician Assistant · Duarte, CA
Catherine Chan, PA-C is a medical physician assistant with a practice address in Duarte, California, and NPI 1093346504, issued on Feb 3, 2020. Check the license (California 57355, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Catherine Chan
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- 57355 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1500 Duarte RD, Duarte, CA 91010
- Phone
- (877) 460-4673
- Enumerated
- Feb 3, 2020
- Record last updated
- Feb 17, 2025
- Medicare enrollment
- Enrolled (PECOS I20230203002062); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 3,376 in California → Look up another NPI →
Also registered at 1500 Duarte RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Chelsea Abad, CRNP, AGPCNP - BCGerontology Nurse Practitioner1952848137
- Wajidah Abdul-KhabirHospitalist Physician1215323522
- Farah Abdulla, MDDermatology Physician1093934390
- Megan Abel, PA-CPhysician Assistant1104100619
- Michelle Afkhami, M.D.Hematology (Pathology) Physician1326230228
- Vaibhav Agrawal, M.D.Hematology & Oncology Physician1538402565
Verify Catherine Chan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 57355Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% fewer Medicare Part D claims than the average medical physician assistant in 2024
531 Medicare Part D claims for 303 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D.
Most prescribed
- Azithromycin64 claims
- Prednisone49 claims
- Albuterol Sulfate Hfa43 claims
- Amoxicillin-Clavulanate Potass35 claims
- Mupirocin31 claims
- Cephalexin29 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- City OF Hope Medical FoundationDuarte, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Catherine Chan among 3,376 medical physician assistant records in California
Catherine Chan, PA-C is one of 3,376 medical physician assistant records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 77% of them.
- NPI issued2020 · 77% of these records are older, 21% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2019 · median 2012 among the 1,347 with a school on file
- Record last updated2025 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in California
There are 3,376 medical physician assistant records in California.
All 3,376 in California → Every provider in Duarte → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Vanuhi Bagramyan, PA-CDuarte, CA 910101225216245
- Karen Martinez, PA-CDuarte, CA 910101790915882
- Robert Martinez, MPAP, PA-CDuarte, CA 910101447565791
- Julian Tellez, PA-CDuarte, CA 910101700056637
- Kendall Henry, PALa Canada Flintridge, CA 910111598361321
- Andrew Imbus, PA-CArcadia, CA 910071073645263
- Ben Massey, PAArcadia, CA 910071669982435
- Lesly Boayes, PA-CArcadia, CA 910061326378191
Common questions
What is Catherine Chan, PA-C's NPI number?
Catherine Chan, PA-C's National Provider Identifier (NPI) is 1093346504, issued on Feb 3, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Chan, PA-C located?
The NPPES record lists a practice address at 1500 Duarte RD, Duarte, CA, 91010. Phone: (877) 460-4673. Providers update this record themselves, so call before visiting.
How can I verify Catherine Chan, PA-C's license?
NPPES lists California license number 57355, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Catherine Chan, PA-C prescribe under Medicare Part D?
In 2024, Catherine Chan, PA-C had 531 Medicare Part D claims for 303 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions 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.
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.