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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

KATHLEEN JEAN HILLESHEIM FNP-C
NPI 1295080646
Nurse Practitioner in Green Bay, WI

Active since July 20, 2012PECOS EnrolledAccepts Medicare Assignment
2845 GREENBRIER RD, GREEN BAY, WI 54311(920) 288-8000 Get Directions Write a Review

NPPES record last updated: October 9, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 9, 2026, Dec 5, 2025, Sep 19, 2019 and 1 more (4 updates tracked since 2018).

About Kathleen Jean Hillesheim Fnp-c NPPES

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

KATHLEEN JEAN HILLESHEIM FNP-C (NPI 1295080646) is an individual nurse practitioner in Green Bay, Wisconsin, licensed in Wisconsin (4883) and active in the NPI registry since July 2012. She is enrolled in Medicare PECOS, is affiliated with Bellin Memorial Hospital, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1295080646
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameKATHLEEN JEAN HILLESHEIMCredential: FNP-C
Location Address2845 GREENBRIER RDGreen Bay, WI 54311-6519
Mailing AddressPo Box 735044Chicago, IL 60673-5044 · (800) 326-2250 · Fax (920) 433-3707
Phone(920) 288-8000
Sole ProprietorNo
Medical School CMSOtherGraduated 2012
Enumeration DateJuly 20, 2012
Last NPPES UpdateOctober 9, 20264 updates tracked since enumeration
NPPES CertifiedOctober 9, 2026
✔ NPI 1295080646 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in WI · 4883
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.
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License 4883-33 (WI)
2845 GREENBRIER RD, Green Bay, WI 54311
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Other Names 1

Former Name (1)Kathleen Jean Eastman Apnp

Secondary Practice Locations 3

Location 13130 Shore DrMarinette, WI 54143-4291 · Phone (715) 735-7421 ext. 4640 · Fax (715) 735-4616
Location 2720 S VanBuren StGreen Bay, WI 54301-3534 · Phone (920) 433-7488 · Fax (920) 433-7439
Location 32820 Roosevelt RdMarinette, WI 54143-3834 · Phone (715) 735-5225 · Fax (715) 735-5388

Other Identifiers 1

Medicaid100024354WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare) and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Kathleen Jean Hillesheim Fnp-c 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 ID648429290
PECOS Enrollment IDI20120926000084
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.

Medicare Billing Reassignments

3

Medicare enrollment records show Kathleen Hillesheim reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Bellin Memorial Hospital Inc
1.2 mi
Family Medicine
3263 EATON RD, SUITE 1
Green Bay, WI 54311
  • Reassigned Medicare billing, Wisconsin enrollment
  • 875 clinicians in this Medicare group
NPI 1548619117 (920) 433-6000
Oconto Hospital & Medical Center Inc
21 mi
Rural Health
575 4TH ST
Kewaunee, WI 54216
  • Reassigned Medicare billing, Wisconsin enrollment
  • 573 clinicians in this Medicare group
NPI 1053279091 (920) 388-4640
Aurora Medical Group, Inc.
51 mi
Clinic/Center
2414 KOHLER MEMORIAL DR
Sheboygan, WI 53081
  • Reassigned Medicare billing, Wisconsin enrollment
  • 4,609 clinicians in this Medicare group
NPI 1174670244 (920) 457-4461

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

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

Bellin Memorial Hospital

Acute Care Hospitals · Green Bay, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520049
Location744 S Webster AveGreen Bay, WI 54305 · Brown County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54311 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.

AMRITHA CHANDRAHASA KARKERA M.D.
Internal Medicine (Hematology & Oncology)
2845 GREENBRIER RD
GREEN BAY, WI 54311
Brown County (920) 288-8000
MRS. AMY MACH SCHOENEBECK MS, CGC
Genetic Counselor, MS
2845 GREENBRIER RD
GREEN BAY, WI 54311
Brown County (920) 288-4180
GERALD WILLIAM ECKARDT MD
Neurological Surgery
2845 GREENBRIER RD
GREEN BAY, WI 54311
Brown County (920) 288-8350
ELLEN LINSKENS PT
Physical Therapist
2845 GREENBRIER RD
GREEN BAY, WI 54311
Brown County (920) 288-8000
KATIE LYNN LLOYD DO
Emergency Medicine
2845 GREENBRIER RD
GREEN BAY, WI 54311
Brown County (920) 288-4060
BRADLEY JAY FEDDERLY MD
Hospitalist
2845 GREENBRIER RD
GREEN BAY, WI 54311
Brown County (920) 288-8100
EDWARD C VOGEL MD
Emergency Medicine
2845 GREENBRIER RD
GREEN BAY, WI 54311
Brown County (920) 288-4060
JOHN JEROME KLINKHAMMER CRNA
Nurse Anesthetist, Certified Registered
2845 GREENBRIER RD
GREEN BAY, WI 54311
Brown County (920) 288-3388

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 Kathleen Hillesheim's NPI number?

The NPI number for Kathleen Hillesheim is 1295080646. It was assigned to this individual provider in the NPPES registry on July 20, 2012. The provider is also known as Kathleen Jean Eastman Apnp.

Where is Kathleen Hillesheim located?

Kathleen Hillesheim practices at 2845 Greenbrier Rd, Green Bay, WI 54311. The listed phone number is (920) 288-8000.

What is Kathleen Hillesheim's specialty?

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

Is Kathleen Hillesheim enrolled in Medicare?

Yes. Kathleen Hillesheim 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.

Which organizations bill Medicare for Kathleen Hillesheim's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kathleen Hillesheim reassigns Medicare benefits to 3 organizations: Bellin Memorial Hospital Inc (Green Bay, WI), Oconto Hospital & Medical Center Inc (Kewaunee, WI) and Aurora Medical Group, Inc. (Sheboygan, WI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Kathleen Hillesheim's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kathleen Hillesheim accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners and Network Health and 2 other insurers list Kathleen Hillesheim 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 Kathleen Hillesheim affiliated with any hospitals?

According to CMS data, Kathleen Hillesheim is affiliated with Bellin Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Kathleen Hillesheim was last updated on October 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 days 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.