NPPES file of Aug 9, 2026

Kristin Rettkowski, FNP-C

Family Nurse Practitioner · Green Bay, WI

Kristin Rettkowski, FNP-C is a family nurse practitioner with a practice address in Green Bay, Wisconsin, and NPI 1922842855, issued on Jun 25, 2024. Check the license (Wisconsin 15501-33, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1922842855
Name
Kristin Rettkowski
Credential
FNP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
15501-33 WI
Self-reported in NPPES; status is on the state search
Practice location
1860 Shawano Ave, Green Bay, WI 54303
Phone
(920) 496-4700
Enumerated
Jun 25, 2024
Record last updated
Dec 20, 2024
Medicaid ID
100287648 WI
Medicare enrollment
Enrolled (PECOS I20240909001206); 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 1860 Shawano Ave

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

  1. Kwabena Adu-Gyamfi, MDGastroenterology Physician1154677391
  2. Arpana Aryal Bagale, APNPNurse Practitioner1427874619
  3. Tracey Aukerman, M.A.,CCC-AAudiologist1568461481
  4. Alexander Barr, MDOtolaryngology Physician1174015176
  5. Tara Benson, APNPFamily Nurse Practitioner1124868187
  6. Kadie Biese, AUDAudiologist1023955341

Verify Kristin Rettkowski 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 15501-33
    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 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.

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95% fewer Medicare Part D claims than the average family nurse practitioner in 2024

71 Medicare Part D claims for 46 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. Kristin Rettkowski71
  2. Specialty average1,305

Most prescribed

  1. Ezetimibe11 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: $194.27

3 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. 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.

  1. Kristin Rettkowski$194.27
  2. Specialty average$650.95

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. St Vincent Hospital-Hospital Sisters-Third Order OF St FrancisGreen Bay, WI

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

Kristin Rettkowski among 2,814 family nurse practitioner records in Wisconsin

Kristin Rettkowski, FNP-C is one of 2,814 family nurse practitioner records with a practice address in Wisconsin. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 85% of them.

  • NPI issued2024 · 85% of these records are older, 10% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2024 · median 2019 among the 1,740 with a school on file
  • Record last updated2024 · 42% 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 Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

215 family nurse practitioner records list a practice address in Green Bay

They are 215 of the 4,619 NPPES records with a practice address in Green Bay, and 2,814 family nurse practitioner records in Wisconsin.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Tara Benson, APNPGreen Bay, WI 543031124868187
  2. Lynnette Clancy, APNPGreen Bay, WI 543031972528925
  3. Allison Combs, APNPGreen Bay, WI 543031285306035
  4. Kyle Eriks Cline, NPGreen Bay, WI 543031174176812
  5. Ariel Kumbalek, NPGreen Bay, WI 543031083331052
  6. Tiffany Laughlin, APNPGreen Bay, WI 543031316222771
  7. Junhong Pace, NPGreen Bay, WI 543031003597063
  8. Nicole Reiland, APNPGreen Bay, WI 543031881478386

Common questions

What is Kristin Rettkowski, FNP-C's NPI number?

Kristin Rettkowski, FNP-C's National Provider Identifier (NPI) is 1922842855, issued on Jun 25, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Kristin Rettkowski, FNP-C located?

The NPPES record lists a practice address at 1860 Shawano Ave, Green Bay, WI, 54303. Phone: (920) 496-4700. Providers update this record themselves, so call before visiting.

How can I verify Kristin Rettkowski, FNP-C's license?

NPPES lists Wisconsin license number 15501-33, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

How much does Kristin Rettkowski, FNP-C prescribe under Medicare Part D?

In 2024, Kristin Rettkowski, FNP-C had 71 Medicare Part D claims for 46 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.