NPPES file of Aug 9, 2026

Catherine Chan

Nurse Practitioner · San Gabriel, CA

Catherine Chan is a nurse practitioner with a practice address in San Gabriel, California, and NPI 1821697525, issued on Oct 22, 2020. Check the license (California 95015178, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1821697525
Name
Catherine Chan
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
95015178 CA
825283 CA
Self-reported in NPPES; status is on the state search
Practice location
207 S Santa Anita St Ste P05, San Gabriel, CA 91776
Phone
(626) 652-7433
Enumerated
Oct 22, 2020
Record last updated
Jan 14, 2022
Medicare enrollment
Enrolled (PECOS I20210112002489); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 207 S Santa Anita St Ste P05

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

  1. Philip Chatham, M.D.Medical Oncology Physician1740279264
  2. Ailin LiFamily Nurse Practitioner1073327177
  3. Jieying Liu, MDMedical Oncology Physician1609404870
  4. Phuong TranNurse Practitioner1518326107
  5. Dong Xiang, MDHematology & Oncology Physician1235332925

Verify Catherine 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 95015178
    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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27% fewer Medicare Part D claims than the average nurse practitioner in 2024

809 Medicare Part D claims for 99 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 96 claims were for opioids.

  1. Catherine Chan809
  2. Specialty average1,109

Most prescribed

  1. Gabapentin60 claims
  2. Pantoprazole Sodium58 claims
  3. Levothyroxine Sodium51 claims
  4. Oxycodone Hcl51 claims
  5. Ondansetron Hcl42 claims
  6. Fluconazole33 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 99.1 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score85.2
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $428.91

15 payments; by number, the most common kind was food and beverage; the largest payer was Deciphera Pharmaceuticals Inc. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Catherine Chan$428.91
  2. Specialty average$791.64

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. 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 8,223 nurse practitioner records in California

Catherine Chan is one of 8,223 nurse practitioner records with a practice address in California. 65% 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 66% of them.

  • NPI issued2020 · 66% of these records are older, 29% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileYes · 42% of these records are
  • Graduated2020 · median 2017 among the 3,425 with a school on file
  • Record last updated2022 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

12 nurse practitioner records list a practice address in San Gabriel

They are 12 of the 762 NPPES records with a practice address in San Gabriel, and 8,223 nurse practitioner records in California.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Doris Chan, NPSan Gabriel, CA 917761063691004
  2. Derrick ChiSan Gabriel, CA 917761750248233
  3. Sharon Chow, NPSan Gabriel, CA 917761245508340
  4. Xiaoqiong HuangSan Gabriel, CA 917761487119103
  5. Kwon Soon Kim, NURSE PRACTIONERSan Gabriel, CA 917761720103427
  6. Phuong TranSan Gabriel, CA 917761518326107
  7. Haiyan XuSan Gabriel, CA 917761982388930
  8. Alexis CaputoSan Gabriel, CA 917751376307561

Common questions

What is Catherine Chan's NPI number?

Catherine Chan's National Provider Identifier (NPI) is 1821697525, issued on Oct 22, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Catherine Chan located?

The NPPES record lists a practice address at 207 S Santa Anita St Ste P05, San Gabriel, CA, 91776. Phone: (626) 652-7433. Providers update this record themselves, so call before visiting.

How can I verify Catherine Chan's license?

NPPES lists California license number 95015178, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Catherine Chan prescribe under Medicare Part D?

In 2024, Catherine Chan had 809 Medicare Part D claims for 99 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.

What is Catherine Chan's MIPS final score?

The 2023 MIPS final score is 99.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.