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LEXI LEDERHAUS MSN, FNP
NPI 1164293262
Nurse Practitioner in Lake Geneva, WI

Active since January 09, 2024PECOS EnrolledAccepts Medicare Assignment
146 E GENEVA SQ, LAKE GENEVA, WI 53147(262) 249-5000(262) 249-7143 Get Directions Write a Review

NPPES record last updated: June 25, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jun 25, 2025, Jun 2, 2025 (2 updates tracked since 2025).

About Lexi Lederhaus Msn, Fnp NPPES

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

LEXI LEDERHAUS MSN, FNP (NPI 1164293262) is an individual nurse practitioner in Lake Geneva, Wisconsin, licensed in Wisconsin (14891) and active in the NPI registry since January 2024. She is enrolled in Medicare PECOS, is affiliated with Aurora Memorial Hospital Burlington, and maintains a secondary practice location in Caledonia.

NPPES Registry Identity

NPI1164293262
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameLEXI LEDERHAUSCredential: MSN, FNP
Location Address146 E GENEVA SQLake Geneva, WI 53147-9695
Mailing AddressPo Box 735044Chicago, IL 60673-5044 · (800) 326-2250
Phone(262) 249-5000
Fax(262) 249-7143
Sole ProprietorYes
Medical School CMSOtherGraduated 2023
Enumeration DateJanuary 9, 2024
Last NPPES UpdateJune 25, 20252 updates tracked since enumeration
NPPES CertifiedJune 25, 2025
✔ NPI 1164293262 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 · 14891
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 14891-33 (WI)
146 E GENEVA SQ, Lake Geneva, WI 53147
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Secondary Practice Location 1

Location 12408 4 Mile RdCaledonia, WI 53402-2091 · Phone (262) 687-5995

Other Identifiers 1

Medicaid100267720WI

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

Lexi Lederhaus Msn, 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 ID6305281593
PECOS Enrollment IDI20240227004059
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 Lexi Lederhaus reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Aurora Medical Group, Inc.
34 mi
Obstetrics & Gynecology
8905 W LINCOLN AVE, SUITE 515
West Allis, WI 53227
  • Reassigned Medicare billing, Wisconsin enrollment
  • 4,609 clinicians in this Medicare group
NPI 1457592735 (414) 328-8650
Ascension Medical Group-Southeast Wisconsin Inc
42 mi
Anesthesiology
2301 N LAKE DR
Milwaukee, WI 53211
  • Reassigned Medicare billing, Wisconsin enrollment
  • 1,343 clinicians in this Medicare group
NPI 1194473066 (414) 585-1000

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

Areas of Expertise CMS Part B claims 3

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.
64 services61 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
53 services52 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.
12 services12 patients

Hospital Affiliations CMS Care Compare 3

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

Aurora Memorial Hospital Burlington

Acute Care Hospitals · Burlington, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520059
Location252 Mchenry StBurlington, WI 53105 · Racine County
Emergency services

Aurora Lakeland Medical Center

Acute Care Hospitals · Elkhorn, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520102
LocationW3985 County Road NnElkhorn, WI 53121 · Walworth County
Emergency services Birthing friendly

Aurora St Lukes Medical Center

Acute Care Hospitals · Milwaukee, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520138
Location2900 W Oklahoma AveMilwaukee, WI 53215 · Milwaukee County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53147 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.

DR. SANDRA J REGAN PHD
Psychologist
146 E GENEVA SQ
LAKE GENEVA, WI 53147
Walworth County (262) 249-4620
CRYSTAL J DILLETT NP
Nurse Practitioner
146 E GENEVA SQ
LAKE GENEVA, WI 53147
Walworth County (262) 939-5459
MRS. ELLEN GRACE BARNSTABLE MD
Dermatology
146 E GENEVA SQ
LAKE GENEVA, WI 53147
Walworth County (622) 249-5000
MICHELLE R NELSON PA
Physician Assistant
146 E GENEVA SQ
LAKE GENEVA, WI 53147
Walworth County (262) 249-5000
AURORA MEDICAL GROUP, INC.
Durable Medical Equipment & Medical Supplies
146 E GENEVA SQ
LAKE GENEVA, WI 53147
Walworth County (262) 249-5000
AARON STALEY MD
Obstetrics & Gynecology
146 E GENEVA SQ
LAKE GENEVA, WI 53147
Walworth County (262) 249-5000
BRITTON W KOLAR MD
Family Medicine
146 E GENEVA SQ
LAKE GENEVA, WI 53147
Walworth County (262) 249-5000
DANIEL M CHRISTY
Psychologist
146 E GENEVA SQ
LAKE GENEVA, WI 53147
Walworth County (262) 249-4620

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 Lexi Lederhaus's NPI number?

The NPI number for Lexi Lederhaus is 1164293262. It was assigned to this individual provider in the NPPES registry on January 9, 2024.

Where is Lexi Lederhaus located?

Lexi Lederhaus practices at 146 E Geneva Sq, Lake Geneva, WI 53147. The listed phone number is (262) 249-5000.

What is Lexi Lederhaus's specialty?

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

Is Lexi Lederhaus enrolled in Medicare?

Yes. Lexi Lederhaus 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 Lexi Lederhaus's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lexi Lederhaus reassigns Medicare benefits to 2 organizations: Aurora Medical Group, Inc. (West Allis, WI) and Ascension Medical Group-Southeast Wisconsin Inc (Milwaukee, 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 Lexi Lederhaus's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Lexi Lederhaus 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 Lexi Lederhaus 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 Lexi Lederhaus affiliated with any hospitals?

According to CMS data, Lexi Lederhaus is affiliated with Aurora Memorial Hospital Burlington, Aurora Lakeland Medical Center and Aurora St Lukes Medical Center.

When was this NPI record last updated?

The NPPES record for Lexi Lederhaus was last updated on June 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.