NPPES file of Aug 9, 2026

Dawn R. Case, ARNP

Nurse Practitioner · Seattle, WA

Dawn R. Case, ARNP is a nurse practitioner with a practice address in Seattle, Washington, and NPI 1639266000, issued on Oct 6, 2006. Check the license (Washington AP61155478, as entered in NPPES) with the Washington 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
1639266000
Name
Dawn R. Case
Credential
ARNP
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
AP61155478 WA
RN61150472 WA
Self-reported in NPPES; status is on the state search
Practice location
1221 Madison St FL 2, Seattle, WA 98104
Phone
(206) 386-2323
Enumerated
Oct 6, 2006
Record last updated
Jun 17, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(206) 568-7043
Medicare enrollment
Enrolled (PECOS I20210524002227); accepts Medicare assignment
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 1221 Madison St FL 2

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

  1. Thomas Brown, M.D.Medical Oncology Physician1992880991
  2. Siddhartha Devarakonda, MDMedical Oncology Physician1487932398
  3. Philip Gold, MDMedical Oncology Physician1265516983
  4. Ronan Hsieh, MDHematology & Oncology Physician1457880031
  5. Rafael Santana Davila, MDHematology & Oncology Physician1760595227
  6. Somasundaram Subramaniam, MDMedical Oncology Physician1972766111

Verify Dawn R. Case in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Washington board licenses this profession
    Search for license AP61155478
    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 Washington 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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97% fewer Medicare Part D claims than the average nurse practitioner in 2024

37 Medicare Part D claims for 24 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.

  1. Dawn Case37
  2. Specialty average1,109

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): 82.8 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 score82.1
  2. Costout of 100 · 30%60.7
  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: $215.00

4 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, 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. Dawn Case$215.00
  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. Swedish Health ServicesSeattle, WA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (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.

Other nurse practitioner records in Washington

  1. Arthuro AbbidoChelan Falls, WA1396412888
  2. Saada AbdelaSeattle, WA1881474716
  3. Glenda Abercrombie, ARNP, FNP-CYakima, WA1114001369
  4. Hemlal Acharya, ARNP PHMNP-BC, MSAuburn, WA1659146231
  5. Marja Adair, ARNPRichland, WA1659818318
  6. Nancy Adam, A.R.N.P.Poulsbo, WA1790835684
  7. James Adams, NPSpokane, WA1245828227
  8. Jessica Adams, ARNPBattle Ground, WA1316332463
  9. Pramoj Adhikari, DNP, RN, FNP - ( C).Everett, WA1396315446
  10. Girma AdmasuSpokane Valley, WA1568023547

Common questions

What is Dawn R. Case, ARNP's NPI number?

Dawn R. Case, ARNP's National Provider Identifier (NPI) is 1639266000, issued on Oct 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Dawn R. Case, ARNP located?

The NPPES record lists a practice address at 1221 Madison St FL 2, Seattle, WA, 98104. Phone: (206) 386-2323. Providers update this record themselves, so call before visiting.

How can I verify Dawn R. Case, ARNP's license?

NPPES lists Washington license number AP61155478, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

How much does Dawn R. Case, ARNP prescribe under Medicare Part D?

In 2024, Dawn R. Case, ARNP had 37 Medicare Part D claims for 24 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.

What is Dawn R. Case, ARNP's MIPS final score?

The 2023 MIPS final score is 82.8 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.