NPPES file of Aug 9, 2026

Janine Marie Ahrens, APNP

Nurse Practitioner · Waukesha, WI

Janine Marie Ahrens, APNP is a nurse practitioner with a practice address in Waukesha, Wisconsin, and NPI 1659390896, issued on Jul 19, 2006. Check the license (Wisconsin 1559, as entered in NPPES) with the Wisconsin 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
1659390896
Name
Janine Marie Ahrens
Credential
APNP
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
1559 WI
1559-33 WI
Self-reported in NPPES; status is on the state search
Practice location
1260 Sentry Dr Ste 140, Waukesha, WI 53186
Phone
(262) 524-1024
Enumerated
Jul 19, 2006
Record last updated
Feb 5, 2026
Fax
(262) 524-8767
Medicaid ID
43911800 WI
Medicare enrollment
Enrolled (PECOS I20040210000623); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1260 Sentry Dr Ste 140

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

  1. Younus Al-Midfai, MDNephrology Physician1821626979
  2. Mark Carey, MDNephrology Physician1003835422
  3. Loganathan Elangovan, MDNephrology Physician1477572881
  4. Michelle Meske, AGACNPAcute Care Nurse Practitioner1194595447
  5. Rajan Regmi, MDInternal Medicine Physician1447413570
  6. Laura Schmidt, APNPNurse Practitioner1275858144

Verify Janine Marie Ahrens in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
    Search for license 1559
    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
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6% fewer Medicare Part D claims than the average nurse practitioner in 2024

1,038 Medicare Part D claims for 257 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. Janine Ahrens1,038
  2. Specialty average1,109

Most prescribed

  1. Allopurinol129 claims
  2. Amlodipine Besylate69 claims
  3. Furosemide61 claims
  4. Lisinopril44 claims
  5. Bumetanide43 claims
  6. Metoprolol Succinate41 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): 73.2 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 score84.6
  2. Costout of 100 · 30%78.7
  3. Promoting interoperabilityout of 100 · 25%0.0
  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).

Industry payments in 2024: $822.84

37 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals 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.

  1. Janine Ahrens$822.84
  2. Specialty average$791.64

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

  1. Nephrology Associates SCWaukesha, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

60 nurse practitioner records list a practice address in Waukesha

They are 60 of the 2,814 NPPES records with a practice address in Waukesha, and 3,995 nurse practitioner records in Wisconsin.

Other nurse practitioner records in Wisconsin

  1. Caroline Aaberg, APNPMadison, WI1881384394
  2. Joyce Abbott, APNPOshkosh, WI1003824665
  3. Mohamed Abdelazim, APNPAppleton, WI1760266696
  4. Jacklyn Abel, AGACNP-BCMauston, WI1104631506
  5. Henrietta Abili, APNPGermantown, WI1174859524
  6. Jade Abts, NPGreen Bay, WI1992293708
  7. Karalyn Adam, DNP, RNMarshfield, WI1780933051
  8. Carol Adamczyk, MSNWauwatosa, WI1457502395
  9. Amanda Adams, NPMadison, WI1023366598
  10. Bernadette Adams, FNPWestby, WI1427047620

Common questions

What is Janine Marie Ahrens, APNP's NPI number?

Janine Marie Ahrens, APNP's National Provider Identifier (NPI) is 1659390896, issued on Jul 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Janine Marie Ahrens, APNP located?

The NPPES record lists a practice address at 1260 Sentry Dr Ste 140, Waukesha, WI, 53186. Phone: (262) 524-1024. Providers update this record themselves, so call before visiting.

How can I verify Janine Marie Ahrens, APNP's license?

NPPES lists Wisconsin license number 1559, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

How much does Janine Marie Ahrens, APNP prescribe under Medicare Part D?

In 2024, Janine Marie Ahrens, APNP had 1,038 Medicare Part D claims for 257 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.

What is Janine Marie Ahrens, APNP's MIPS final score?

The 2023 MIPS final score is 73.2 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.