Registry data as of Aug 27, 2026

Rebecca Fellenz, APNP

Nurse Practitioner · Milwaukee, WI

Rebecca Fellenz, APNP is a nurse practitioner with a practice address in Milwaukee, Wisconsin, and NPI 1114623048, issued on Feb 2, 2023. Check the license with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1114623048
Name
Rebecca Fellenz
Credential
APNP
Primary taxonomy
Nurse Practitioner 363L00000X
Practice location
2900 W Oklahoma Ave, Milwaukee, WI 53215
Phone
(414) 649-6577
Enumerated
Feb 2, 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.
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Also registered at 2900 W Oklahoma Ave

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

  1. Hamza Abdul Majeed, DOInternal Medicine Physician1881013282
  2. Vincent Abejuela, DOInternal Medicine Physician1356928543
  3. Islam Abo Al Nadie, MDFamily Medicine Physician1326618786
  4. Zaid Abood, MDCardiovascular Disease Physician1194254334
  5. Syed AbutalibMedical Oncology Physician1114183290
  6. Kalid Adab, MDHematology & Oncology Physician1346473345

Verify Rebecca Fellenz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wisconsin board licenses this professionCheck 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 Wisconsin 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.

93% fewer Medicare Part D claims than the average nurse practitioner in 2024

81 Medicare Part D claims for 48 beneficiaries, against an average of 1,144 among the 50,277 providers of this specialty who prescribed in Part D.

  1. Rebecca Fellenz81
  2. Specialty average1,144

Most prescribed

  1. Gentamicin Sulfate20 claims
  2. Triamcinolone Acetonide15 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.

3 hospital and facility affiliations

  1. Aurora Advanced Healthcare, Inc.Grafton, WI
  2. Aurora Medical Group, Inc.Milwaukee, WI
  3. Lakeshore Medical Clinic LLCCudahy, WI

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

639 nurse practitioner records list a Milwaukee practice address

They are 639 of the 18,389 NPPES records with a Milwaukee practice address, and 3,463 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. Jade Abts, NPGreen Bay, WI1992293708
  5. Carol Adamczyk, MSNWauwatosa, WI1457502395
  6. Amanda Adams, NPMadison, WI1023366598
  7. Inez Adams, NPWest Allis, WI1255877544
  8. Leslie Adams, NPFitchburg, WI1053633115
  9. Nathan Adams, APNP, ACNP-BCFond Du Lac, WI1932608619
  10. Nina Adams, APNPMilwaukee, WI1780965418

Common questions

What is Rebecca Fellenz, APNP's NPI number?

Rebecca Fellenz, APNP's National Provider Identifier (NPI) is 1114623048, issued on Feb 2, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Rebecca Fellenz, APNP located?

The NPPES record lists a practice address at 2900 W Oklahoma Ave, Milwaukee, WI, 53215. Phone: (414) 649-6577. Providers update this record themselves, so call before visiting.

How can I verify Rebecca Fellenz, APNP's license?

Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

How much does Rebecca Fellenz, APNP prescribe under Medicare Part D?

In 2024, Rebecca Fellenz, APNP had 81 Medicare Part D claims for 48 beneficiaries; the average among nurse practitioner prescribers was 1,144. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.