Mary C. Nouwens, ARNP
Nurse Practitioner · Ellensburg, WA
Mary C. Nouwens, ARNP is a nurse practitioner with a practice address in Ellensburg, Washington, and NPI 1780952358, issued on Dec 9, 2011. Check the license (Washington AP60264903, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary C. Nouwens
- Credential
- ARNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- AP60264903 WA
RN00170791 WA
Self-reported in NPPES; status is on the state search - Practice location
- 521 E Mountain View Ave, Ellensburg, WA 98926
- Phone
- (509) 962-1414
- Enumerated
- Dec 9, 2011
- Record last updated
- Jul 22, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (509) 962-1408
- Medicaid ID
- 2015939 WA
- Medicare enrollment
- Enrolled (PECOS I20120210000049); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 2,308 in Washington → Look up another NPI →
Also registered at 521 E Mountain View Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mary C. Nouwens in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license AP60264903Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average nurse practitioner in 2024
28 Medicare Part D claims for 15 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.
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): 77.5 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: $111.73
4 payments; by number, the most common kind was food and beverage; the largest payer was Organogenesis 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
- Kittitas County Public Hospital Dist 1Ellensburg, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary C. Nouwens among 2,308 nurse practitioner records in Washington
Mary C. Nouwens, ARNP 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 2011, is newer than 34% of them.
- NPI issued2011 · 34% of these records are older, 64% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2011 · median 2018 among the 1,301 with a school on file
- Record last updated2015 · 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).
9 nurse practitioner records list a practice address in Ellensburg
They are 9 of the 676 NPPES records with a practice address in Ellensburg, and 2,308 nurse practitioner records in Washington.
All 2,308 in Washington → Every provider in Ellensburg → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Gretchen Archer, ARNPEllensburg, WA 989261184690844
- Anna Collins, ARNPEllensburg, WA 989261497060339
- Teresa GonzalezEllensburg, WA 989261871232454
- Kristin Karns, ARNPEllensburg, WA 989261164552451
- Kerri Larson, ARNPEllensburg, WA 989261093774937
- Danielle Metz, ARNPEllensburg, WA 989261528245107
- Erin Olander, ARNPEllensburg, WA 989261598337321
- Huilin Sun, ARNPEllensburg, WA 989261336736917
Common questions
What is Mary C. Nouwens, ARNP's NPI number?
Mary C. Nouwens, ARNP's National Provider Identifier (NPI) is 1780952358, issued on Dec 9, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Mary C. Nouwens, ARNP located?
The NPPES record lists a practice address at 521 E Mountain View Ave, Ellensburg, WA, 98926. Phone: (509) 962-1414. Providers update this record themselves, so call before visiting.
How can I verify Mary C. Nouwens, ARNP's license?
NPPES lists Washington license number AP60264903, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Mary C. Nouwens, ARNP prescribe under Medicare Part D?
In 2024, Mary C. Nouwens, ARNP had 28 Medicare Part D claims for 15 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Mary C. Nouwens, ARNP's MIPS final score?
The 2023 MIPS final score is 77.5 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.