Joyce Chowsanitphon, N.P.
Adult Health Nurse Practitioner · Duarte, CA
Joyce Chowsanitphon, N.P. is an adult health nurse practitioner with a practice address in Duarte, California, and NPI 1265732507, issued on Nov 2, 2010. Check the license (California 20151, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joyce Chowsanitphon
- Credential
- N.P.
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License numbers
- 20151 CA
3465 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1500 Duarte RD, Duarte, CA 91010
- Phone
- (626) 256-4673
- Enumerated
- Nov 2, 2010
- Record last updated
- Dec 2, 2021 (not updated in 5 years: call before relying on the address or phone)
- 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 Joyce Chowsanitphon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 20151Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024
233 Medicare Part D claims for 78 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Atovaquone35 claims
- Sulfamethoxazole-Trimethoprim31 claims
- Potassium Chloride27 claims
- Acyclovir15 claims
- Pantoprazole Sodium13 claims
- Entecavir11 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.
Industry payments in 2024: $213.43
8 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.
Joyce Chowsanitphon among 1,405 adult health nurse practitioner records in California
Joyce Chowsanitphon, N.P. 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 2010, is newer than 37% of them.
- NPI issued2010 · 37% of these records are older, 59% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileNo · 31% of these records are
- Record last updated2021 · 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
- Roger Harthrong, NPDuarte, CA 910101396891263
- Cecile Kokozian, NPDuarte, CA 910101336499342
- Christina Pierce, NPDuarte, CA 910101831385251
- Carey Ramirez, NPDuarte, CA 910101205105806
Common questions
What is Joyce Chowsanitphon, N.P.'s NPI number?
Joyce Chowsanitphon, N.P.'s National Provider Identifier (NPI) is 1265732507, issued on Nov 2, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Joyce Chowsanitphon, N.P. located?
The NPPES record lists a practice address at 1500 Duarte RD, Duarte, CA, 91010. Phone: (626) 256-4673. Providers update this record themselves, so call before visiting.
How can I verify Joyce Chowsanitphon, N.P.'s license?
NPPES lists California license number 20151, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Joyce Chowsanitphon, N.P. prescribe under Medicare Part D?
In 2024, Joyce Chowsanitphon, N.P. had 233 Medicare Part D claims for 78 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. 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.