Afton Royce Dunham, ARNP
Family Nurse Practitioner · Prosser, WA
Afton Royce Dunham, ARNP is a family nurse practitioner with a practice address in Prosser, Washington, and NPI 1841812500, issued on May 15, 2020. Check the license (Washington AP61068779, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Afton Royce Dunham
- Credential
- ARNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- AP61068779 WA
Self-reported in NPPES; status is on the state search - Practice location
- 336 Chardonnay Ave Ste A, Prosser, WA 99350
- Phone
- (509) 786-1576
- Enumerated
- May 15, 2020
- Record last updated
- Jun 2, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 3,781 in Washington → Look up another NPI →
Also registered at 336 Chardonnay Ave Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Afton Royce Dunham in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license AP61068779Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average family nurse practitioner in 2024
52 Medicare Part D claims for 34 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Sulfamethoxazole-Trimethoprim14 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): 88.4 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: $880.18
19 payments; by number, the most common kind was food and beverage; the largest payer was Mimedx Group, Inc. The 99,489 providers of this specialty with any payment received $650.95 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.
Afton Royce Dunham among 3,781 family nurse practitioner records in Washington
Afton Royce Dunham, ARNP is one of 3,781 family nurse practitioner records with a practice address in Washington. 71% 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 67% of them.
- NPI issued2020 · 67% of these records are older, 27% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 56% of these records are
- Record last updated2021 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 family nurse practitioner records list a practice address in Prosser
They are 2 of the 190 NPPES records with a practice address in Prosser, and 3,781 family nurse practitioner records in Washington.
All 3,781 in Washington → Every provider in Prosser → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Pamela Morris, A.R.N.P.Prosser, WA 993501992131775
- Sarah Anderson, ARNPMattawa, WA 993491659118255
- Heather Balser, DNP, MSNED, FNP-CMattawa, WA 993491184931420
- Jennifer Beaty, ARNP, RNMattawa, WA 993491134337785
- Sarah Charlton, ARNPMattawa, WA 993491700648102
- Mara Fusfield, ARNPMattawa, WA 993491992871107
- Daniel Jentges, ARNPMattawa, WA 993491972073526
- Kristen Jentges, APRNMattawa, WA 993491649514589
Common questions
What is Afton Royce Dunham, ARNP's NPI number?
Afton Royce Dunham, ARNP's National Provider Identifier (NPI) is 1841812500, issued on May 15, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Afton Royce Dunham, ARNP located?
The NPPES record lists a practice address at 336 Chardonnay Ave Ste A, Prosser, WA, 99350. Phone: (509) 786-1576. Providers update this record themselves, so call before visiting.
How can I verify Afton Royce Dunham, ARNP's license?
NPPES lists Washington license number AP61068779, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Afton Royce Dunham, ARNP prescribe under Medicare Part D?
In 2024, Afton Royce Dunham, ARNP had 52 Medicare Part D claims for 34 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Afton Royce Dunham, ARNP's MIPS final score?
The 2023 MIPS final score is 88.4 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.