Joy Kumagai
Nurse Practitioner · Seattle, WA
Joy Kumagai is a nurse practitioner with a practice address in Seattle, Washington, and NPI 1053945303, issued on Feb 25, 2020. Check the license (Washington AP61067678, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joy Kumagai
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- AP61067678 WA
Self-reported in NPPES; status is on the state search - Practice location
- 825 Eastlake Ave E, Seattle, WA 98109
- Phone
- (206) 520-5000
- Enumerated
- Feb 25, 2020
- Record last updated
- Nov 3, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200930002927); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 2,308 in Washington → Look up another NPI →
Also registered at 825 Eastlake Ave E
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Joy Kumagai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license AP61067678Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average nurse practitioner in 2024
120 Medicare Part D claims for 37 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.
Most prescribed
- Acyclovir14 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 MIPS final score for 2023 (Medicare payment program): 93.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $125.00
1 payment: food and beverage; the largest payer was Daiichi Sankyo 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.
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
- The Association OF University PhysiciansSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joy Kumagai among 2,308 nurse practitioner records in Washington
Joy Kumagai is one of 2,308 nurse practitioner records with a practice address in Washington. 72% 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 68% of them.
- NPI issued2020 · 68% of these records are older, 25% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2020 · median 2018 among the 1,301 with a school on file
- Record last updated2020 · 47% 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 Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
569 nurse practitioner records list a practice address in Seattle
They are 569 of the 41,956 NPPES records with a practice address in Seattle, and 2,308 nurse practitioner records in Washington.
All 2,308 in Washington → Every provider in Seattle → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Robert Bordeaux, ARNPSeattle, WA 981091255353405
- Denise Bundow, ARNPSeattle, WA 981091578601548
- Patricia Faulkner, ARNPSeattle, WA 981091902909435
- Suzanne Gagnet, ARNPSeattle, WA 981091649247768
- Caroline Hobbs, N.P.Seattle, WA 981091619015385
- Joanne Lang, ARNPSeattle, WA 981091730326471
- Erika Machol, ARNPSeattle, WA 981091528146552
- Tanisha Mojica, ARNPSeattle, WA 981091568421691
Common questions
What is Joy Kumagai's NPI number?
Joy Kumagai's National Provider Identifier (NPI) is 1053945303, issued on Feb 25, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Joy Kumagai located?
The NPPES record lists a practice address at 825 Eastlake Ave E, Seattle, WA, 98109. Phone: (206) 520-5000. Providers update this record themselves, so call before visiting.
How can I verify Joy Kumagai's license?
NPPES lists Washington license number AP61067678, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Joy Kumagai prescribe under Medicare Part D?
In 2024, Joy Kumagai had 120 Medicare Part D claims for 37 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Joy Kumagai's MIPS final score?
The 2023 MIPS final score is 93.1 of 100. 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.