KAY ZIER APNP
NPI 1053859942
Nurse Practitioner in Oshkosh, WI

Active since February 10, 2017PECOS EnrolledAccepts Medicare Assignment
855 N WESTHAVEN DR, OSHKOSH, WI 54904(920) 303-8700(920) 456-5711 Get Directions Write a Review

NPPES record last updated: March 18, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 18, 2026, Nov 29, 2021, Feb 10, 2017 (3 updates tracked since 2017).

About Kay Zier Apnp NPPES

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

KAY ZIER APNP (NPI 1053859942) is an individual nurse practitioner in Oshkosh, Wisconsin, licensed in Wisconsin (6884-033) and active in the NPI registry since February 2017. She is enrolled in Medicare PECOS, is affiliated with Aurora Medical Ctr Oshkosh, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1053859942
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameKAY ZIERCredential: APNP
Location Address855 N WESTHAVEN DROshkosh, WI 54904-7668
Mailing AddressPo Box 735044Chicago, IL 60673-5044 · (800) 326-2250
Fax(920) 456-5711
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateFebruary 10, 2017
Last NPPES UpdateMarch 18, 20263 updates tracked since enumeration
NPPES CertifiedMarch 18, 2026
NPI 1053859942 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License Licensed in WI · 6884-033
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
855 N WESTHAVEN DR, Oshkosh, WI 54904

Other Identifiers 1

Medicaid100065400WI

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

Kay Zier Apnp 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 ID9133404981
PECOS Enrollment IDI20170320000105
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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
62 services36 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
16 services16 patients

Hospital Affiliations CMS Care Compare

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

Aurora Medical Ctr Oshkosh

Acute Care Hospitals · Oshkosh, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520198
Location855 N Westhaven DriveOshkosh, WI 54904 · Winnebago County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54904 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
855 N WESTHAVEN DR
OSHKOSH, WI 54904
Pharmacist
855 N WESTHAVEN DR
OSHKOSH, WI 54904
Physician Assistant
855 N WESTHAVEN DR
OSHKOSH, WI 54904
Internal Medicine (Hematology & Oncology)
855 N WESTHAVEN DR
OSHKOSH, WI 54904
Nurse Practitioner
855 N WESTHAVEN DR
OSHKOSH, WI 54904
Nurse Anesthetist, Certified Registered
855 N WESTHAVEN DR
OSHKOSH, WI 54904
Physical Therapist
855 N WESTHAVEN DR
OSHKOSH, WI 54904
Registered Nurse
855 N WESTHAVEN DR
OSHKOSH, WI 54904

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 Kay Zier's NPI number?

The NPI number for Kay Zier is 1053859942. It was assigned to this individual provider in the NPPES registry on February 10, 2017.

Where is Kay Zier located?

Kay Zier practices at 855 N Westhaven Dr, Oshkosh, WI 54904. The listed phone number is (920) 303-8700.

What is Kay Zier's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Kay Zier enrolled in Medicare?

Yes. Kay Zier 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 Kay Zier accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners and Quartz and 1 other insurer list Kay Zier 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 Kay Zier affiliated with any hospitals?

According to CMS data, Kay Zier is affiliated with Aurora Medical Ctr Oshkosh.

When was this NPI record last updated?

The NPPES record for Kay Zier was last updated on March 18, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.