Katie Leiteritz, FNP-BC
Family Nurse Practitioner · Oak Creek, WI
Katie Leiteritz, FNP-BC is a family nurse practitioner with a practice address in Oak Creek, Wisconsin, and NPI 1053782508, issued on Oct 9, 2015. Check the license (Wisconsin 6537-33, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katie Leiteritz
- Credential
- FNP-BC
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 6537-33 WI
Self-reported in NPPES; status is on the state search - Practice location
- 8020 S Howell Ave, Oak Creek, WI 53154
- Phone
- (414) 647-3920
- Enumerated
- Oct 9, 2015
- Record last updated
- Dec 5, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20161215002308); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 2,814 in Wisconsin → Look up another NPI →
Also registered at 8020 S Howell Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Crosby Bugenhagen, MS, ATC, LATAthletic Trainer1760444970
- Heather Butler, MDFamily Medicine Physician1194143966
- Taylor Tremmel, RN, APNPFamily Nurse Practitioner1891662649
- Joseph Wolfe, MDFamily Medicine Physician1265725857
Verify Katie Leiteritz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 6537-33Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% more Medicare Part D claims than the average family nurse practitioner in 2024
1,832 Medicare Part D claims for 231 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 22 claims were for opioids.
Most prescribed
- Atorvastatin Calcium154 claims
- Losartan Potassium94 claims
- Amlodipine Besylate68 claims
- Hydrochlorothiazide68 claims
- Metformin Hcl62 claims
- Lisinopril53 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): 82.4 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Ascension Medical Group-Southeast Wisconsin IncWauwatosa, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katie Leiteritz among 2,814 family nurse practitioner records in Wisconsin
Katie Leiteritz, FNP-BC 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 2015, is newer than 34% of them.
- NPI issued2015 · 34% of these records are older, 62% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2015 · median 2019 among the 1,740 with a school on file
- Record last updated2016 · 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).
14 family nurse practitioner records list a practice address in Oak Creek
They are 14 of the 541 NPPES records with a practice address in Oak Creek, and 2,814 family nurse practitioner records in Wisconsin.
All 2,814 in Wisconsin → Every provider in Oak Creek → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Ayia AbdeljabbarOak Creek, WI 531541285386094
- Adetoun Abolurin, FNPOak Creek, WI 531541316411390
- Renee Beck-Santiago, APNPOak Creek, WI 531541912276858
- Nicholas DaveyOak Creek, WI 531541497395313
- Lynelle Fischer, APNPOak Creek, WI 531541750702932
- Elena Giese, APNPOak Creek, WI 531541083183297
- Johanna GrossOak Creek, WI 531541750841482
- Jessica Noll, APNPOak Creek, WI 531541386929131
Common questions
What is Katie Leiteritz, FNP-BC's NPI number?
Katie Leiteritz, FNP-BC's National Provider Identifier (NPI) is 1053782508, issued on Oct 9, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Katie Leiteritz, FNP-BC located?
The NPPES record lists a practice address at 8020 S Howell Ave, Oak Creek, WI, 53154. Phone: (414) 647-3920. Providers update this record themselves, so call before visiting.
How can I verify Katie Leiteritz, FNP-BC's license?
NPPES lists Wisconsin license number 6537-33, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Katie Leiteritz, FNP-BC prescribe under Medicare Part D?
In 2024, Katie Leiteritz, FNP-BC had 1,832 Medicare Part D claims for 231 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Katie Leiteritz, FNP-BC's MIPS final score?
The 2023 MIPS final score is 82.4 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.