NPPES file of Aug 9, 2026

Megan A. Cassai, APNP

Family Nurse Practitioner · Green Bay, WI

Megan A. Cassai, APNP is a family nurse practitioner with a practice address in Green Bay, Wisconsin, and NPI 1508354903, issued on May 1, 2018. Check the license (Wisconsin 8526, 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
1508354903
Name
Megan A. Cassai
Credential
APNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
8526 WI
196427 WI
Self-reported in NPPES; status is on the state search
Practice location
923 Eliza St, Green Bay, WI 54301
Phone
(920) 965-4800
Enumerated
May 1, 2018
Record last updated
Jan 24, 2022
Fax
(920) 965-4801
Medicare enrollment
Enrolled (PECOS I20180912000523); 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 923 Eliza St

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

  1. Billina Augustian, P.A.-CPhysician Assistant1770627648
  2. Laurel Denheijer, APNPFamily Nurse Practitioner1356446520
  3. Lorie Dorn, AU.D.Audiologist1750424883
  4. Kathryn Engelhardt, AUD.Audiologist1154584035
  5. Bradley GietmanOtolaryngology Physician1477088284
  6. Susan Kenney, AU.D.Audiologist1649313784

Verify Megan A. Cassai 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 8526
    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
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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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84% fewer Medicare Part D claims than the average family nurse practitioner in 2024

214 Medicare Part D claims for 111 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. Megan Cassai214
  2. Specialty average1,305

Most prescribed

  1. Fluticasone Propionate46 claims
  2. Fluocinolone Acetonide Oil35 claims
  3. Azelastine Hcl26 claims
  4. Ciprofloxacin-Dexamethasone23 claims
  5. Prednisolone Acetate17 claims
  6. Prednisone15 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

  1. Bellin Memorial Hospital IncMarinette, WI

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

Other family nurse practitioner records in Wisconsin

  1. Amanda Abaya, APNPAppleton, WI1053145193
  2. Monaliza Abdela, FNPBrookfield, WI1760288336
  3. Ayia AbdeljabbarOak Creek, WI1285386094
  4. Adetoun Abolurin, FNPOak Creek, WI1316411390
  5. Anne Abresch, NURSE PRACTITIONERMilwaukee, WI1578867479
  6. Sumar AbushaqraSheboygan, WI1023488475
  7. Lindsay AchesonMilwaukee, WI1457940264
  8. Tyler Adamczak, APNPChippewa Falls, WI1538031588
  9. Inez Adams, NPWest Allis, WI1255877544
  10. Samantha AdamsOshkosh, WI1467853622

Common questions

What is Megan A. Cassai, APNP's NPI number?

Megan A. Cassai, APNP's National Provider Identifier (NPI) is 1508354903, issued on May 1, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Megan A. Cassai, APNP located?

The NPPES record lists a practice address at 923 Eliza St, Green Bay, WI, 54301. Phone: (920) 965-4800. Providers update this record themselves, so call before visiting.

How can I verify Megan A. Cassai, APNP's license?

NPPES lists Wisconsin license number 8526, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

How much does Megan A. Cassai, APNP prescribe under Medicare Part D?

In 2024, Megan A. Cassai, APNP had 214 Medicare Part D claims for 111 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.