Sara A. Kaster, APRN, FNP
Acute Care Nurse Practitioner · Janesville, WI
Sara A. Kaster, APRN, FNP is an acute care nurse practitioner with a practice address in Janesville, Wisconsin, and NPI 1164020152, issued on Oct 13, 2020. Check the license (Wisconsin 10617-33, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sara A. Kaster
- Credential
- APRN, FNP
- Primary taxonomy
- Acute Care Nurse Practitioner 363LA2100X
- License numbers
- 10617-33 WI
168363-30 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Mineral Point Ave, Janesville, WI 53548
- Phone
- (608) 756-6000
- Enumerated
- Oct 13, 2020
- Record last updated
- Feb 17, 2025
- Medicare enrollment
- Enrolled (PECOS I20210122000970); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest acute care nurse practitioner records → All 229 in Wisconsin → Look up another NPI →
Also registered at 1000 Mineral Point Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kathleen Agard, MDAnesthesiology Physician1558503235
- Imdad Ahmed, MDCardiovascular Disease Physician1053536219
- Muhammad Alkhan, MDInternal Medicine Physician1114950813
- Rachel Allen, MDEmergency Medicine Physician1184823999
- Giuseppe Altamore, DOEmergency Medicine Physician1477828564
Verify Sara A. Kaster in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 10617-33Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average acute care nurse practitioner in 2024
26 Medicare Part D claims, against an average of 594 among the 13,133 providers of this specialty who prescribed in Part D.
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
- Mercy Health System CorporationJanesville, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sara A. Kaster among 229 acute care nurse practitioner records in Wisconsin
Sara A. Kaster, APRN, FNP is one of 229 acute care nurse practitioner records with a practice address in Wisconsin. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 50% of them.
- NPI issued2020 · 50% of these records are older, 45% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 78% of these records are
- Graduated2020 · median 2020 among the 178 with a school on file
- Record last updated2025 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Acute Care Nurse Practitioner providers in Wisconsin
There are 229 acute care nurse practitioner records in Wisconsin.
All 229 in Wisconsin → Every provider in Janesville → Acute Care Nurse Practitioner nationwide →
The 8 acute care nurse practitioner records with the nearest ZIP codes
- Heather Chady, APNP, RNJanesville, WI 535481841570538
- Ashley Purdy, NPJanesville, WI 535481801678875
- Ruth Ramirez Cepeda, APNPJanesville, WI 535481285513853
- Anastasia KintopFort Atkinson, WI 535381376461400
- Brianne Lochrie, NPEvansville, WI 535361780168518
- Tenzin LhamoMiddleton, WI 535621053233817
- Alissa Weber, DNP, AGAC-NPMonroe, WI 535661861175242
- Stephanie Shulman, AG-ACNP-BCVerona, WI 535931790159705
Common questions
What is Sara A. Kaster, APRN, FNP's NPI number?
Sara A. Kaster, APRN, FNP's National Provider Identifier (NPI) is 1164020152, issued on Oct 13, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Sara A. Kaster, APRN, FNP located?
The NPPES record lists a practice address at 1000 Mineral Point Ave, Janesville, WI, 53548. Phone: (608) 756-6000. Providers update this record themselves, so call before visiting.
How can I verify Sara A. Kaster, APRN, FNP's license?
NPPES lists Wisconsin license number 10617-33, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Sara A. Kaster, APRN, FNP prescribe under Medicare Part D?
In 2024, Sara A. Kaster, APRN, FNP had 26 Medicare Part D claims; the average among acute care nurse practitioner prescribers was 594. 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.