NPPES file of Aug 9, 2026

Olivia Ann Cassiday

Family Nurse Practitioner · Milwaukee, WI

Olivia Ann Cassiday is a family nurse practitioner with a practice address in Milwaukee, Wisconsin, and NPI 1457920407, issued on Jun 23, 2021. Check the license (Wisconsin 11098, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1457920407
Name
Olivia Ann Cassiday
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
11098 WI
242572 WI
Self-reported in NPPES; status is on the state search
Practice location
9200 W Wisconsin Ave, Milwaukee, WI 53226
Phone
(414) 805-6550
Enumerated
Jun 23, 2021
Record last updated
Mar 3, 2022
Fax
(414) 805-6565
Medicare enrollment
Enrolled (PECOS I20210909000561); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 9200 W Wisconsin Ave

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

  1. Shameem Aadam, RPHPharmacist1760755680
  2. Abubaker Abdalla, MDHospitalist Physician1194187617
  3. Sameem Abedin, MDHematology & Oncology Physician1063641157
  4. Lolia Abibo, M.D.Hospitalist Physician1912359795
  5. Haisam Abid, MBBSHospitalist Physician1578083184
  6. Faith Abodunrin, MDHematology & Oncology Physician1437768769

Verify Olivia Ann Cassiday 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 11098
    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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72% more Medicare Part D claims than the average family nurse practitioner in 2024

2,239 Medicare Part D claims for 291 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 64% of claims.

  1. Olivia Cassiday2,239
  2. Specialty average1,305

Most prescribed

  1. Mounjaro308 claims
  2. Ozempic297 claims
  3. Metformin Hcl Er218 claims
  4. Lantus Solostar135 claims
  5. Jardiance86 claims
  6. Humulin 70/30 Kwikpen75 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): 80.5 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.

  1. Qualityout of 100 · 30% of the final score66.2
  2. Costout of 100 · 30%68.6
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. Froedtert Andthe Medical College OF Wisconsin Community Physicians IncGermantown, WI
  2. The Medical College OF Wisconsin IncMilwaukee, WI

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

Olivia Ann Cassiday among 2,814 family nurse practitioner records in Wisconsin

Olivia Ann Cassiday 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 2021, is newer than 64% of them.

  • NPI issued2021 · 64% of these records are older, 29% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2021 · 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).

458 family nurse practitioner records list a practice address in Milwaukee

They are 458 of the 18,389 NPPES records with a practice address in Milwaukee, and 2,814 family nurse practitioner records in Wisconsin.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Susan Arnsdorf, APNMilwaukee, WI 532261083784656
  2. Cheryl Blaschuk, NPMilwaukee, WI 532261013961713
  3. James Bockeloh, DNP, APNPMilwaukee, WI 532261194787341
  4. Stephanie Christian-Lobley, NPMilwaukee, WI 532261265486567
  5. Eric Dellamater, APNPMilwaukee, WI 532261023176617
  6. Kathryn Koch, NPMilwaukee, WI 532261740231588
  7. Leanne Pahl-Jakab, R.N., A.P.N.P.Milwaukee, WI 532261558462002
  8. Barbara Plumb, R.N., A.P.N.P.Milwaukee, WI 532261104917889

Common questions

What is Olivia Ann Cassiday's NPI number?

Olivia Ann Cassiday's National Provider Identifier (NPI) is 1457920407, issued on Jun 23, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Olivia Ann Cassiday located?

The NPPES record lists a practice address at 9200 W Wisconsin Ave, Milwaukee, WI, 53226. Phone: (414) 805-6550. Providers update this record themselves, so call before visiting.

How can I verify Olivia Ann Cassiday's license?

NPPES lists Wisconsin license number 11098, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

How much does Olivia Ann Cassiday prescribe under Medicare Part D?

In 2024, Olivia Ann Cassiday had 2,239 Medicare Part D claims for 291 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

What is Olivia Ann Cassiday's MIPS final score?

The 2023 MIPS final score is 80.5 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.