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ABBY LYNN ZIEGLER FNP-BC
NPI 1073320123
Nurse Practitioner - Family in Fort Atkinson, WI

Active since December 12, 2024PECOS EnrolledAccepts Medicare Assignment
611 SHERMAN AVE E, FORT ATKINSON, WI 53538(920) 563-5571(920) 563-7705 Get Directions Write a Review

NPPES record last updated: December 17, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 17, 2025, Dec 12, 2024 (2 updates tracked since 2024).

About Abby Lynn Ziegler Fnp-bc NPPES

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

ABBY LYNN ZIEGLER FNP-BC (NPI 1073320123) is an individual family provider in Fort Atkinson, Wisconsin, licensed in Wisconsin (16167-33) and active in the NPI registry since December 2024. She is enrolled in Medicare PECOS, is affiliated with Waukesha Memorial Hospital, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1073320123
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameABBY LYNN ZIEGLERCredential: FNP-BC
Location Address611 SHERMAN AVE EFort Atkinson, WI 53538-1960
Mailing AddressPo Box 249Fort Atkinson, WI 53538-0249 · (920) 563-4466 · Fax (920) 568-4004
Phone(920) 563-5571
Fax(920) 563-7705
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateDecember 12, 2024
Last NPPES UpdateDecember 17, 20252 updates tracked since enumeration
NPPES CertifiedDecember 17, 2025
✔ NPI 1073320123 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in WI · 16167-33
611 SHERMAN AVE E, Fort Atkinson, WI 53538
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Dean Health Plan, UnitedHealthcare.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

Abby Lynn Ziegler Fnp-bc 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 ID4587193578
PECOS Enrollment IDI20250121000707
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

2

Medicare enrollment records show Abby Ziegler reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Fort Healthcare, Inc.
Same address
General Acute Care Hospital
611 SHERMAN AVE E
Fort Atkinson, WI 53538
  • Reassigned Medicare billing, Wisconsin enrollment
  • 298 clinicians in this Medicare group
NPI 1811916281 (920) 568-5000
Prohealth Medical Group Inc
17 mi
Internal Medicine
109 AIR PARK DR
Watertown, WI 53094
  • Reassigned Medicare billing, Wisconsin enrollment
  • 528 clinicians in this Medicare group
NPI 1629119417 (262) 928-5100

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 3

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

Waukesha Memorial Hospital

Acute Care Hospitals · Waukesha, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520008
Location725 American AveWaukesha, WI 53188 · Waukesha County
Emergency services Birthing friendly

Oconomowoc Memorial Hospital

Acute Care Hospitals · Oconomowoc, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520062
Location791 E Summit AveOconomowoc, WI 53066 · Waukesha County
Emergency services Birthing friendly

Fort Memorial Hospital

Acute Care Hospitals · Fort Atkinson, WI
OwnershipVoluntary non-profit - Private
CMS Certification Number520071
Location611 Sherman Ave EFort Atkinson, WI 53538 · Jefferson County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53538 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.

BONNIE L POPPY APNP
Nurse Practitioner
611 SHERMAN AVE E
FORT ATKINSON, WI 53538
Jefferson County (920) 563-5571
PATRICIA A STECKELMANN P.A.
Physician Assistant
611 SHERMAN AVE E
FORT ATKINSON, WI 53538
Jefferson County (920) 568-5330
DR. ROBERT P SIEVERT D.O.
Emergency Medicine
611 SHERMAN AVE E
FORT ATKINSON, WI 53538
Jefferson County (920) 568-5330
THOMAS R. PERRY, M.D.,S.C.
Psychiatry & Neurology (Neurology)
611 SHERMAN AVE E
FORT ATKINSON, WI 53538
Jefferson County (920) 568-5334
ELIZABETH J HANS
Social Worker
611 SHERMAN AVE E
FORT ATKINSON, WI 53538
Jefferson County (608) 647-4705
DAWN ELIZABETH KUBLY PT
Physical Therapist
611 SHERMAN AVE E
FORT ATKINSON, WI 53538
Jefferson County (920) 568-5299
BRADLEY THOMAS WAGNER CRNA
Nurse Anesthetist, Certified Registered
611 SHERMAN AVE E
FORT ATKINSON, WI 53538
Jefferson County (920) 568-5000
DEBORAH L ROE APNP
Nurse Practitioner (Adult Health)
611 SHERMAN AVE E
FORT ATKINSON, WI 53538
Jefferson County (920) 568-6090

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 Abby Ziegler's NPI number?

The NPI number for Abby Ziegler is 1073320123. It was assigned to this individual provider in the NPPES registry on December 12, 2024.

Where is Abby Ziegler located?

Abby Ziegler practices at 611 Sherman Ave E, Fort Atkinson, WI 53538. The listed phone number is (920) 563-5571.

What is Abby Ziegler's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Abby Ziegler enrolled in Medicare?

Yes. Abby Ziegler 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 Abby Ziegler's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Abby Ziegler reassigns Medicare benefits to 2 organizations: Fort Healthcare, Inc. (Fort Atkinson, WI) and Prohealth Medical Group Inc (Watertown, 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 Abby Ziegler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Abby Ziegler accept?

Health plans from Dean Health Plan and UnitedHealthcare list Abby Ziegler 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 Abby Ziegler affiliated with any hospitals?

According to CMS data, Abby Ziegler is affiliated with Waukesha Memorial Hospital, Oconomowoc Memorial Hospital and Fort Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Abby Ziegler was last updated on December 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.