James Nicholas Demas, ARNP, DNP
Nurse Practitioner · Seattle, WA
James Nicholas Demas, ARNP, DNP is a nurse practitioner with a practice address in Seattle, Washington, and NPI 1710612858, issued on Jul 21, 2022. Check the license (Washington AP61336321, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- James Nicholas Demas
- Credential
- ARNP, DNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- AP61336321 WA
AP.61336321 WA
RN61155865 WA
Self-reported in NPPES; status is on the state search - Practice location
- 550 17TH Ave FL 6, Seattle, WA 98122
- Phone
- (206) 861-8550
- Enumerated
- Jul 21, 2022
- Record last updated
- Dec 1, 2022
- Fax
- (206) 861-8551
- Medicaid ID
- 2217952 WA
- Entity
- Type 1 · individual
Also registered at 550 17TH Ave FL 6
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Amy Hillier, PA-CPhysician Assistant1801588868
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Verify James Nicholas Demas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license AP61336321Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average nurse practitioner in 2024
230 Medicare Part D claims for 39 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.
Most prescribed
- Clopidogrel48 claims
- Jardiance22 claims
- Furosemide15 claims
- Brilinta14 claims
- Entresto14 claims
- Nitroglycerin14 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): 80.1 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: $28.58
1 payment: food and beverage; the largest payer was Edwards Lifesciences Corporation. 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.
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 569 in Seattle → All 2,308 in Washington → Every provider in Seattle →
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Common questions
What is James Nicholas Demas, ARNP, DNP's NPI number?
James Nicholas Demas, ARNP, DNP's National Provider Identifier (NPI) is 1710612858, issued on Jul 21, 2022. An NPI identifies a provider in billing; it is not a license.
Where is James Nicholas Demas, ARNP, DNP located?
The NPPES record lists a practice address at 550 17TH Ave FL 6, Seattle, WA, 98122. Phone: (206) 861-8550. Providers update this record themselves, so call before visiting.
How can I verify James Nicholas Demas, ARNP, DNP's license?
NPPES lists Washington license number AP61336321, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does James Nicholas Demas, ARNP, DNP prescribe under Medicare Part D?
In 2024, James Nicholas Demas, ARNP, DNP had 230 Medicare Part D claims for 39 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is James Nicholas Demas, ARNP, DNP's MIPS final score?
The 2023 MIPS final score is 80.1 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.