NPPES file of Aug 9, 2026

Alicia Christine Castillo, FNP

Family Nurse Practitioner · Prairie Du Sac, WI

Alicia Christine Castillo, FNP is a family nurse practitioner with a practice address in Prairie Du Sac, Wisconsin, and NPI 1720446248, issued on Jan 29, 2016. Check the license (Wisconsin 6797-33, 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
1720446248
Name
Alicia Christine Castillo
Credential
FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
6797-33 WI
Self-reported in NPPES; status is on the state search
Practice location
260 26TH St, Prairie Du Sac, WI 53578
Phone
(608) 643-3311
Enumerated
Jan 29, 2016
Record last updated
Mar 24, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20160323000438); 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 260 26TH St

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

  1. Jessica Armbruster, APSWSocial Worker1730595075
  2. James Armstrong, NPNurse Practitioner1477518140
  3. Teresa Bare-InmanPhysical Therapy Assistant1780249243
  4. Laura Bixby, APNPFamily Nurse Practitioner1508520123
  5. Kelsey Brady, MSW, LCSWClinical Social Worker1902390768
  6. Sandra Carroll, CRNACertified Registered Nurse Anesthetist1952086944

Verify Alicia Christine Castillo 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 6797-33
    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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92% fewer Medicare Part D claims than the average family nurse practitioner in 2024

98 Medicare Part D claims for 80 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Alicia Castillo98
  2. Specialty average1,305

Most prescribed

  1. Amoxicillin-Clavulanate Potass17 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. Reedsburg Area Medical Center IncReedsburg, WI
  2. Sauk Prairie Healthcare IncPrairie Du Sac, WI

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

4 family nurse practitioner records list a practice address in Prairie Du Sac

They are 4 of the 156 NPPES records with a practice address in Prairie Du Sac, 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 Alicia Christine Castillo, FNP's NPI number?

Alicia Christine Castillo, FNP's National Provider Identifier (NPI) is 1720446248, issued on Jan 29, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Alicia Christine Castillo, FNP located?

The NPPES record lists a practice address at 260 26TH St, Prairie Du Sac, WI, 53578. Phone: (608) 643-3311. Providers update this record themselves, so call before visiting.

How can I verify Alicia Christine Castillo, FNP's license?

NPPES lists Wisconsin license number 6797-33, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

How much does Alicia Christine Castillo, FNP prescribe under Medicare Part D?

In 2024, Alicia Christine Castillo, FNP had 98 Medicare Part D claims for 80 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.