Ashley L. Clewien, NP
Nurse Practitioner · Grafton, WI
Ashley L. Clewien, NP is a nurse practitioner with a practice address in Grafton, Wisconsin, and NPI 1730577784, issued on Dec 29, 2014. Check the license (Wisconsin 6179, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ashley L. Clewien
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 6179 WI
Self-reported in NPPES; status is on the state search - Practice location
- 975 Port Washington RD, Grafton, WI 53024
- Phone
- (262) 329-8100
- Enumerated
- Dec 29, 2014
- Record last updated
- Dec 8, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150220001044); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 975 Port Washington RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Beverly Altman, LMTMassage Therapist1447888789
- Claudia Altmann, MDInfectious Disease Physician1386691756
- Peter Andrew, AAAnesthesiologist Assistant1821704545
- Patrick AndrewsPhysical Therapist1689481962
Verify Ashley L. Clewien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 6179Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average nurse practitioner in 2024
153 Medicare Part D claims for 70 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 62 claims were for opioids.
Most prescribed
- Oxycodone Hcl50 claims
- Celecoxib28 claims
- Clopidogrel13 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.
Industry payments in 2024: $6.00
1 payment: travel and lodging; the largest payer was Intuitive Surgical, 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
- Aurora Advanced Healthcare, Inc.Mequon, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
50 nurse practitioner records list a practice address in Grafton
They are 50 of the 459 NPPES records with a practice address in Grafton, and 3,995 nurse practitioner records in Wisconsin.
All 50 in Grafton → All 3,995 in Wisconsin → Every provider in Grafton →
Other nurse practitioner records in Wisconsin
- Caroline Aaberg, APNPMadison, WI1881384394
- Joyce Abbott, APNPOshkosh, WI1003824665
- Mohamed Abdelazim, APNPAppleton, WI1760266696
- Jacklyn Abel, AGACNP-BCMauston, WI1104631506
- Henrietta Abili, APNPGermantown, WI1174859524
- Jade Abts, NPGreen Bay, WI1992293708
- Karalyn Adam, DNP, RNMarshfield, WI1780933051
- Carol Adamczyk, MSNWauwatosa, WI1457502395
- Amanda Adams, NPMadison, WI1023366598
- Bernadette Adams, FNPWestby, WI1427047620
Common questions
What is Ashley L. Clewien, NP's NPI number?
Ashley L. Clewien, NP's National Provider Identifier (NPI) is 1730577784, issued on Dec 29, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Ashley L. Clewien, NP located?
The NPPES record lists a practice address at 975 Port Washington RD, Grafton, WI, 53024. Phone: (262) 329-8100. Providers update this record themselves, so call before visiting.
How can I verify Ashley L. Clewien, NP's license?
NPPES lists Wisconsin license number 6179, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Ashley L. Clewien, NP prescribe under Medicare Part D?
In 2024, Ashley L. Clewien, NP had 153 Medicare Part D claims for 70 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
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.