NPPES file of Aug 9, 2026

Kristina L. Diehn

Gerontology Nurse Practitioner · Franklin, WI

Kristina L. Diehn is a gerontology nurse practitioner with a practice address in Franklin, Wisconsin, and NPI 1013305200, issued on Dec 23, 2014. Check the license (Wisconsin 6175, 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
1013305200
Name
Kristina L. Diehn
Primary taxonomy
Gerontology Nurse Practitioner 363LG0600X
License number
6175 WI
Self-reported in NPPES; status is on the state search
Practice location
9969 S 27TH St FL 2, Franklin, WI 53132
Phone
(414) 325-4950
Enumerated
Dec 23, 2014
Record last updated
Feb 14, 2025
Fax
(414) 325-6372
Medicare enrollment
Enrolled (PECOS I20150701001938); accepts Medicare assignment
Medical or professional school
Perelman School Of Med At The University Of Pennsylvania, 2014
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.
Download card Updates feed

Also registered at 9969 S 27TH St FL 2

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

  1. Iryna Janko, FNPFamily Nurse Practitioner1215520762

Verify Kristina L. Diehn 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 6175
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

80% fewer Medicare Part D claims than the average gerontology nurse practitioner in 2024

272 Medicare Part D claims for 71 beneficiaries, against an average of 1,369 among the 6,165 providers of this specialty who prescribed in Part D. Brand-name drugs were 68% of claims.

  1. Kristina Diehn272
  2. Specialty average1,369

Most prescribed

  1. Albuterol Sulfate Hfa64 claims
  2. Trelegy Ellipta52 claims
  3. Prednisone44 claims
  4. Symbicort19 claims
  5. Ventolin Hfa18 claims
  6. Breo Ellipta12 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.

Bills Medicare through 2 group practices

  1. Ascension Medical Group-Southeast Wisconsin IncFranklin, WI
  2. Pulmonary And Critical Care Associates S CCudahy, WI

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

Kristina L. Diehn among 146 gerontology nurse practitioner records in Wisconsin

Kristina L. Diehn is one of 146 gerontology 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 2014, is newer than 37% of them.

  • NPI issued2014 · 37% of these records are older, 56% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 55% of these records are
  • Graduated2014 · median 2021 among the 80 with a school on file
  • Record last updated2025 · 39% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LG0600X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gerontology Nurse Practitioner providers in Wisconsin

There are 146 gerontology nurse practitioner records in Wisconsin.

The 8 gerontology nurse practitioner records with the nearest ZIP codes

  1. Christine Peterson Watts, NPFranklin, WI 531321417405515
  2. Kaitlyn QuinnFranklin, WI 531321053204685
  3. Natasha El Hmaini, NPGreendale, WI 531291891112405
  4. Bette Frangesch, RN GNP APNPElm Grove, WI 531221336218957
  5. Jelka Leedle, APNPLake Geneva, WI 531471003476102
  6. Kathleen Turck, APNPPalmyra, WI 531561821615998
  7. Tonya Cyrulik, AGPCNPBurlington, WI 531051568312130
  8. Mary Kautz, APNPMequon, WI 530971013152743

Common questions

What is Kristina L. Diehn's NPI number?

Kristina L. Diehn's National Provider Identifier (NPI) is 1013305200, issued on Dec 23, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Kristina L. Diehn located?

The NPPES record lists a practice address at 9969 S 27TH St FL 2, Franklin, WI, 53132. Phone: (414) 325-4950. Providers update this record themselves, so call before visiting.

How can I verify Kristina L. Diehn's license?

NPPES lists Wisconsin license number 6175, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

How much does Kristina L. Diehn prescribe under Medicare Part D?

In 2024, Kristina L. Diehn had 272 Medicare Part D claims for 71 beneficiaries; the average among gerontology nurse practitioner prescribers was 1,369. 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.