Katherine L. O'Keefe, APNP
Family Nurse Practitioner · Wauwatosa, WI
Katherine L. O'Keefe, APNP is a family nurse practitioner with a practice address in Wauwatosa, Wisconsin, and NPI 1922231075, issued on Aug 24, 2009. Check the license (Wisconsin 3932, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine L. O'Keefe
- Credential
- APNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 3932 WI
15667330 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1155 N Mayfair RD, Wauwatosa, WI 53226
- Phone
- (414) 955-5990
- Enumerated
- Aug 24, 2009
- Record last updated
- Aug 19, 2022
- Medicare enrollment
- Enrolled (PECOS I20140527000861); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 2008
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 2,814 in Wisconsin → Look up another NPI →
Also registered at 1155 N Mayfair RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Delaney Bowling, NPFamily Nurse Practitioner1427717966
Verify Katherine L. O'Keefe in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 3932Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% fewer Medicare Part D claims than the average family nurse practitioner in 2024
672 Medicare Part D claims for 170 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium43 claims
- Amlodipine Besylate42 claims
- Rosuvastatin Calcium26 claims
- Levothyroxine Sodium25 claims
- Fluticasone Propionate24 claims
- Omeprazole24 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 one group practice
- Froedtert Andthe Medical College OF Wisconsin Community Physicians IncMenomonee Falls, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine L. O'Keefe among 2,814 family nurse practitioner records in Wisconsin
Katherine L. O'Keefe, APNP 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 2009, is newer than 16% of them.
- NPI issued2009 · 16% of these records are older, 82% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2008 · median 2019 among the 1,740 with a school on file
- Record last updated2022 · 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).
41 family nurse practitioner records list a practice address in Wauwatosa
They are 41 of the 1,787 NPPES records with a practice address in Wauwatosa, and 2,814 family nurse practitioner records in Wisconsin.
All 2,814 in Wisconsin → Every provider in Wauwatosa → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Susan Arnsdorf, APNMilwaukee, WI 532261083784656
- Cheryl Blaschuk, NPMilwaukee, WI 532261013961713
- James Bockeloh, DNP, APNPMilwaukee, WI 532261194787341
- Stephanie Christian-Lobley, NPMilwaukee, WI 532261265486567
- Eric Dellamater, APNPMilwaukee, WI 532261023176617
- Kathryn Koch, NPMilwaukee, WI 532261740231588
- Leanne Pahl-Jakab, R.N., A.P.N.P.Milwaukee, WI 532261558462002
- Barbara Plumb, R.N., A.P.N.P.Milwaukee, WI 532261104917889
Common questions
What is Katherine L. O'Keefe, APNP's NPI number?
Katherine L. O'Keefe, APNP's National Provider Identifier (NPI) is 1922231075, issued on Aug 24, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Katherine L. O'Keefe, APNP located?
The NPPES record lists a practice address at 1155 N Mayfair RD, Wauwatosa, WI, 53226. Phone: (414) 955-5990. Providers update this record themselves, so call before visiting.
How can I verify Katherine L. O'Keefe, APNP's license?
NPPES lists Wisconsin license number 3932, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Katherine L. O'Keefe, APNP prescribe under Medicare Part D?
In 2024, Katherine L. O'Keefe, APNP had 672 Medicare Part D claims for 170 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.