NPPES file of Aug 9, 2026

Arianne Wilson Mason, APRN, FNP-C

Family Nurse Practitioner · Powell, WY

Arianne Wilson Mason, APRN, FNP-C is a family nurse practitioner with a practice address in Powell, Wyoming, and NPI 1225686884, issued on Aug 27, 2019. Check the license (Wyoming 43966, as entered in NPPES) with the Wyoming 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
1225686884
Name
Arianne Wilson Mason
Credential
APRN, FNP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
43966 WY
Self-reported in NPPES; status is on the state search
Practice location
246 N Absaroka St, Powell, WY 82435
Phone
(307) 764-5470
Enumerated
Aug 27, 2019
Record last updated
Nov 27, 2023
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 246 N Absaroka St

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

  1. Shelby Frost, MSN, APRN, FNP-BCFamily Nurse Practitioner1376963801

Verify Arianne Wilson Mason in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wyoming board licenses this profession
    Search for license 43966
    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 Wyoming 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

96% fewer Medicare Part D claims than the average family nurse practitioner in 2024

52 Medicare Part D claims for 13 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Arianne Mason52
  2. Specialty average1,305

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): 61.2 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 score71.8
  2. Costout of 100 · 30%15.4
  3. Promoting interoperabilityout of 100 · 25%80.0
  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).

8 family nurse practitioner records list a practice address in Powell

They are 8 of the 250 NPPES records with a practice address in Powell, and 456 family nurse practitioner records in Wyoming.

Other family nurse practitioner records in Wyoming

  1. Julie Agee, FNPPowell, WY1821485384
  2. Nadja Aleman, APRNSheridan, WY1932090818
  3. Karen Alexander, DNPLusk, WY1316578826
  4. Misty Alexander, FNP-CGillette, WY1467336057
  5. Kelsie Anderson, DNP, FNP-BCCheyenne, WY1184266058
  6. Kyle Anderson, FNP-CRiverton, WY1316309610
  7. Allison ArmitageJackson, WY1760074322
  8. Brenda Arnett, FNP-CLovell, WY1053026476
  9. Abigail ArrossCasper, WY1033750716
  10. Anna Atkinson, APRN-CNP, FNP-BCRanchester, WY1740865930

Common questions

What is Arianne Wilson Mason, APRN, FNP-C's NPI number?

Arianne Wilson Mason, APRN, FNP-C's National Provider Identifier (NPI) is 1225686884, issued on Aug 27, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Arianne Wilson Mason, APRN, FNP-C located?

The NPPES record lists a practice address at 246 N Absaroka St, Powell, WY, 82435. Phone: (307) 764-5470. Providers update this record themselves, so call before visiting.

How can I verify Arianne Wilson Mason, APRN, FNP-C's license?

NPPES lists Wyoming license number 43966, as entered by the provider. Search the Wyoming board that licenses this profession; the NPPES record confirms identity only.

How much does Arianne Wilson Mason, APRN, FNP-C prescribe under Medicare Part D?

In 2024, Arianne Wilson Mason, APRN, FNP-C had 52 Medicare Part D claims for 13 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

What is Arianne Wilson Mason, APRN, FNP-C's MIPS final score?

The 2023 MIPS final score is 61.2 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.