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ISABELLA GRACE HOFBAUER APNP
NPI 1407798671
Nurse Practitioner - Family in Fitchburg, WI

Active since April 07, 2026PECOS Enrolled
2840 INDEX RD, FITCHBURG, WI 53713(608) 229-7221 Get Directions Write a Review

NPPES record last updated: May 12, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 12, 2026, Apr 7, 2026 (2 updates tracked since 2026).

About Isabella Grace Hofbauer Apnp NPPES

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

ISABELLA GRACE HOFBAUER APNP (NPI 1407798671) is an individual family provider in Fitchburg, Wisconsin, licensed in Wisconsin (18253-33) and active in the NPI registry since April 2026. She is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1407798671
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameISABELLA GRACE HOFBAUERCredential: APNP
Location Address2840 INDEX RDFitchburg, WI 53713-3117
Mailing Address540 Sanctuary LnDelafield, WI 53018-1920 · (414) 897-1336
Phone(608) 229-7221
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateApril 7, 2026
Last NPPES UpdateMay 12, 20262 updates tracked since enumeration
NPPES CertifiedMay 12, 2026
✔ NPI 1407798671 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 · 18253-33
2840 INDEX RD, Fitchburg, WI 53713
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Group Health Cooperative-SCW, Quartz.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Isabella Grace Hofbauer Apnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1456822279
PECOS Enrollment IDI20260602004334
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 Reassignment

Medicare enrollment records show Isabella Hofbauer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Madison Area Renal Specialists, Sc
Same address
Nephrology
2840 INDEX RD
Fitchburg, WI 53713
  • Reassigned Medicare billing, Wisconsin enrollment
  • 6 clinicians in this Medicare group
NPI 1104834894 (608) 229-7221

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53713 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 7

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

MRS. DEBORAH ANN LOOMIS PA-C
Physician Assistant
2840 INDEX RD
FITCHBURG, WI 53713
Dane County (608) 229-7221
BIO-MEDICAL APPLICATIONS OF WISCONSIN, INC.
Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)
2840 INDEX RD
FITCHBURG, WI 53713
Dane County (608) 229-7222
SSM HEALTH CARE OF WISCONSIN,INC
Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)
2840 INDEX RD
FITCHBURG, WI 53713
Dane County (608) 229-7222
JENNIFER LYNN LAMBA PA-C
Physician Assistant
2840 INDEX RD
FITCHBURG, WI 53713
Dane County (608) 229-7221
MADISON AREA RENAL SPECIALISTS, SC
Internal Medicine (Nephrology)
2840 INDEX RD
FITCHBURG, WI 53713
Dane County (608) 229-7221
CHRISTOPH H EGGERT M.D.
Internal Medicine (Nephrology)
2840 INDEX RD
FITCHBURG, WI 53713
Dane County (608) 229-7221
MS. DIANE H YEE RDCD
Dietitian, Registered (Nutrition, Renal)
2840 INDEX RD
FITCHBURG, WI 53713
Dane County (608) 229-7399

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 Isabella Hofbauer's NPI number?

The NPI number for Isabella Hofbauer is 1407798671. It was assigned to this individual provider in the NPPES registry on April 7, 2026.

Where is Isabella Hofbauer located?

Isabella Hofbauer practices at 2840 Index Rd, Fitchburg, WI 53713. The listed phone number is (608) 229-7221.

What is Isabella Hofbauer's specialty?

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

Is Isabella Hofbauer enrolled in Medicare?

Yes. Isabella Hofbauer is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Isabella Hofbauer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Isabella Hofbauer reassigns Medicare benefits to Madison Area Renal Specialists, Sc (Fitchburg, WI). The 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 Isabella Hofbauer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Isabella Hofbauer accept?

Health plans from Group Health Cooperative-SCW and Quartz list Isabella Hofbauer 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.

When was this NPI record last updated?

The NPPES record for Isabella Hofbauer was last updated on May 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.