Brian Chen, MSN, AGNP
Adult Health Nurse Practitioner · Duarte, CA
Brian Chen, MSN, AGNP is an adult health nurse practitioner with a practice address in Duarte, California, and NPI 1629726500, issued on Mar 10, 2022. Check the license (California 95018765, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Brian Chen
- Credential
- MSN, AGNP
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License number
- 95018765 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1500 Duarte RD, Duarte, CA 91010
- Phone
- (800) 826-4673
- Enumerated
- Mar 10, 2022
- Record last updated
- Mar 10, 2022
- Medicare enrollment
- Enrolled (PECOS I20220331002732); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest adult health nurse practitioner records → All 1,405 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.
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Verify Brian 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 95018765Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024
203 Medicare Part D claims for 70 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D.
Most prescribed
- Pantoprazole Sodium20 claims
- Posaconazole18 claims
- Levofloxacin12 claims
- Venclexta11 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $504.64
14 payments; by number, the most common kind was food and beverage; the largest payer was Jazz Pharmaceuticals Inc. The 12,291 providers of this specialty with any payment received $946.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- 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).
Brian Chen among 1,405 adult health nurse practitioner records in California
Brian Chen, MSN, AGNP is one of 1,405 adult health nurse practitioner records with a practice address in California. 56% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 88% of them.
- NPI issued2022 · 88% of these records are older, 9% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileYes · 31% of these records are
- Graduated2021 · median 2013 among the 441 with a school on file
- Record last updated2022 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
18 adult health nurse practitioner records list a practice address in Duarte
They are 18 of the 1,287 NPPES records with a practice address in Duarte, and 1,405 adult health nurse practitioner records in California.
All 1,405 in California → Every provider in Duarte → Adult Health Nurse Practitioner nationwide →
The 8 adult health nurse practitioner records with the nearest ZIP codes
- Lauren Becker, NPDuarte, CA 910101326316241
- Shannon BellDuarte, CA 910101861702110
- Korie BigbeeDuarte, CA 910101497047377
- German Caraang, N.P.Duarte, CA 910101366729766
- Joyce Chowsanitphon, N.P.Duarte, CA 910101265732507
- Roger Harthrong, NPDuarte, CA 910101396891263
- Cecile Kokozian, NPDuarte, CA 910101336499342
- Christina Pierce, NPDuarte, CA 910101831385251
Common questions
What is Brian Chen, MSN, AGNP's NPI number?
Brian Chen, MSN, AGNP's National Provider Identifier (NPI) is 1629726500, issued on Mar 10, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Brian Chen, MSN, AGNP located?
The NPPES record lists a practice address at 1500 Duarte RD, Duarte, CA, 91010. Phone: (800) 826-4673. Providers update this record themselves, so call before visiting.
How can I verify Brian Chen, MSN, AGNP's license?
NPPES lists California license number 95018765, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Brian Chen, MSN, AGNP prescribe under Medicare Part D?
In 2024, Brian Chen, MSN, AGNP had 203 Medicare Part D claims for 70 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. Part D covers Medicare prescriptions only.
What is Brian Chen, MSN, AGNP'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.