SARA A KASTER APRN, FNP
NPI 1164020152
Nurse Practitioner - Acute Care in Janesville, WI

Active since October 13, 2020PECOS EnrolledAccepts Medicare Assignment
1000 MINERAL POINT AVE, JANESVILLE, WI 53548(608) 756-6000 Get Directions Write a Review

NPPES record last updated: February 17, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Feb 17, 2025, Dec 8, 2020, Oct 13, 2020 (3 updates tracked since 2020).

About Sara A Kaster Aprn, Fnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SARA A KASTER APRN, FNP (NPI 1164020152) is an individual acute care provider in Janesville, Wisconsin, licensed in Wisconsin (10617-33) and active in the NPI registry since October 2020. She is enrolled in Medicare PECOS, is affiliated with Mercy Health System Corp, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1164020152
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameSARA A KASTERCredential: APRN, FNP
Location Address1000 MINERAL POINT AVEJanesville, WI 53548-2940
Mailing Address1000 Mineral Point AveJanesville, WI 53548-2940 · (608) 756-6000 · Fax (608) 741-6953
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateOctober 13, 2020
Last NPPES UpdateFebruary 17, 20253 updates tracked since enumeration
NPPES CertifiedFebruary 17, 2025
NPI 1164020152 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License Licensed in WI · 10617-33
Also ListedRegistered NurseTaxonomy 163W00000X · License 168363-30 (WI)
Also ListedNurse PractitionerTaxonomy 363L00000X · License 10617-33 (WI)
1000 MINERAL POINT AVE, Janesville, WI 53548

Other Names 1

Former Name (1)Sara Ann Krull

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Sara A Kaster Aprn, Fnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4284681370
PECOS Enrollment IDI20210122000970
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
205 services192 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
54 services53 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mercy Health System Corp

Acute Care Hospitals · Janesville, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520066
Location1000 Mineral Point AveJanesville, WI 53548 · Rock County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53548 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$82.92 typical visit price
range $53.90 – $163.24
Typical copayment $20.73 (range $13.47 – $40.81)
Most-billed visit code 99203
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Psychiatric/Mental Health)
1000 MINERAL POINT AVE
JANESVILLE, WI 53548
Plastic Surgery
1000 MINERAL POINT AVE
JANESVILLE, WI 53548
Physical Therapist
1000 MINERAL POINT AVE
JANESVILLE, WI 53548
Pharmacist
1000 MINERAL POINT AVE
JANESVILLE, WI 53548
Occupational Therapist
1000 MINERAL POINT AVE
JANESVILLE, WI 53548
Neurological Surgery
1000 MINERAL POINT AVE, MERCY WEST NEUROSURGERY
JANESVILLE, WI 53548
Emergency Medicine (Medical Toxicology)
1000 MINERAL POINT AVE
JANESVILLE, WI 53548
Physician Assistant
1000 MINERAL POINT AVE
JANESVILLE, WI 53548

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sara Kaster's NPI number?

The NPI number for Sara Kaster is 1164020152. It was assigned to this individual provider in the NPPES registry on October 13, 2020. The provider is also known as Sara Ann Krull.

Where is Sara Kaster located?

Sara Kaster practices at 1000 Mineral Point Ave, Janesville, WI 53548. The listed phone number is (608) 756-6000.

What is Sara Kaster's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Sara Kaster enrolled in Medicare?

Yes. Sara Kaster is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Sara Kaster accept?

Health plans from Anthem Blue Cross and Blue Shield list Sara Kaster as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Sara Kaster affiliated with any hospitals?

According to CMS data, Sara Kaster is affiliated with Mercy Health System Corp.

When was this NPI record last updated?

The NPPES record for Sara Kaster was last updated on February 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.