Joyce Chowsanitphon, NP

  • Duarte, CA
  • Adult health nurse practitioner
NPI1265732507
Part D claims, 2024
233
Industry payments
$49
Affiliated sites
1
Medical groups
2
State license
1
Practice address
1500 Duarte Rd, Duarte, CA 91010
Practice phone
Call (800) 826-4673
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

City of Hope Comprehensive Cancer Center - Duarte

Duarte, California

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Joyce Chowsanitphon is an adult health nurse practitioner in Duarte, California

Joyce Chowsanitphon practices at City of Hope Comprehensive Cancer Center - Duarte in Duarte, California.

Joyce Chowsanitphon's NPI, 1265732507, was assigned on November 2, 2010. Joyce Chowsanitphon holds California license 20151.

NPI and contact details
NPI enumeration date
November 2, 2010
NPI status
Active
Practice phone
(800) 826-4673
Professional email
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Personal email
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Mobile number
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Sex
Female

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data

Joyce Chowsanitphon practices at City of Hope Comprehensive Cancer Center - Duarte in Duarte, California

Joyce Chowsanitphon's primary practice is City of Hope Comprehensive Cancer Center - Duarte, at 1500 Duarte Rd, Duarte, CA 91010 in Los Angeles County. The practice phone is (800) 826-4673.

  • City of Hope Comprehensive Cancer Center - Duarte
    1500 Duarte Rd, Duarte, CA 91010 · Los Angeles CountyPhone(800) 826-4673

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Joyce Chowsanitphon is affiliated with 2 sites of care and 2 medical groups

Joyce Chowsanitphon's primary practice is City of Hope Comprehensive Cancer Center - Duarte in Duarte, California. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Joyce Chowsanitphon to 1 more other site and 1 medical group, each named with a free account.

See all 4 affiliations for Joyce Chowsanitphon

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Joyce Chowsanitphon's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Joyce Chowsanitphon practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
City of Hope Comprehensive Cancer Center - DuarteAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Joyce Chowsanitphon is one of 1,032 adult health nurse practitioners in California

Adult health is Joyce Chowsanitphon's primary specialty in the NPI Registry, under taxonomy code 363LA2200X. Joyce Chowsanitphon is licensed in California.

Specialties and state licenses

  • Adult health nurse practitioner, CaliforniaPrimaryLicense 3465 · taxonomy 363LA2200X

Adult health nurse practitioners near Joyce Chowsanitphon

Counts of adult health nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Joyce Chowsanitphon's patients have a median age of 62

Across all payers, Dmand AI patient panel data puts Joyce Chowsanitphon's median patient age at 62, with 40% women.

Joyce Chowsanitphon's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 62

Patient panel by sex, all payers

  • Women40%
  • Men60%

Source: Dmand AI Patient Panel Data

Joyce Chowsanitphon wrote 233 Medicare Part D claims in 2024

In 2024, Joyce Chowsanitphon wrote 233 Medicare Part D claims for 78 patients. 93% of them were for generic drugs.

Part D claims, 2024233
Part D patients78

Joyce Chowsanitphon's Part D claims by kind of drug, 2024

  • Generic216 claims93%
  • Brand-name17 claims7%

Drug classes CMS tracks in Joyce Chowsanitphon's Part D claims, 2024

  • Antibiotics14%32 of 233 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Joyce Chowsanitphon received $49 in industry payments in 2025

CMS Open Payments shows 2 general payments to Joyce Chowsanitphon from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $27.

Companies that paid Joyce Chowsanitphon the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Joyce Chowsanitphon

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Joyce Chowsanitphon's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Joyce Chowsanitphon

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Joyce Chowsanitphon's NPI number?

Joyce Chowsanitphon's NPI number is 1265732507. It was assigned on November 2, 2010, and it is active in the NPI Registry.

What does Joyce Chowsanitphon specialize in?

Joyce Chowsanitphon is an adult health nurse practitioner in Duarte, California. The primary specialty in the NPI Registry is Adult Health Nurse Practitioner (taxonomy code 363LA2200X).

Where does Joyce Chowsanitphon practice?

Joyce Chowsanitphon practices at 1500 Duarte Rd, Duarte, CA 91010. Joyce Chowsanitphon's primary practice is City of Hope Comprehensive Cancer Center - Duarte in Duarte, California. Dmand AI also links Joyce Chowsanitphon to 1 other site and 1 medical group.

What is Joyce Chowsanitphon's office phone number?

The practice phone on file for Joyce Chowsanitphon is (800) 826-4673.

What is Joyce Chowsanitphon's medical license number?

Joyce Chowsanitphon holds California license 20151.

What medical group is Joyce Chowsanitphon part of?

Joyce Chowsanitphon is linked to Southern California Permanente Medical Group. Dmand AI links Joyce Chowsanitphon to 1 more medical group.

Has Joyce Chowsanitphon received payments from drug or device companies?

CMS Open Payments shows $49 in general payments to Joyce Chowsanitphon from 2 companies from 2025 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Joyce Chowsanitphon been practicing?

Joyce Chowsanitphon's NPI was assigned in 2010.

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