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ELIZABETH GASTINEAU APNP
NPI 1376197574
Nurse Practitioner in New Berlin, WI

Active since July 26, 2019PECOS EnrolledAccepts Medicare Assignment
12901 W NATIONAL AVE, NEW BERLIN, WI 53151(262) 787-5200(262) 787-5299 Get Directions Write a Review

NPPES record last updated: February 6, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Feb 6, 2026, Nov 19, 2021, May 20, 2021 and 2 more (5 updates tracked since 2019).

About Elizabeth Gastineau Apnp NPPES

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

ELIZABETH GASTINEAU APNP (NPI 1376197574) is an individual nurse practitioner in New Berlin, Wisconsin, licensed in Wisconsin (8877-33) and active in the NPI registry since July 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2018).

NPPES Registry Identity

NPI1376197574
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameELIZABETH GASTINEAUCredential: APNP
Location Address12901 W NATIONAL AVENew Berlin, WI 53151-4063
Mailing AddressPo Box 735044Chicago, IL 60673-5044 · (800) 326-2250
Phone(262) 787-5200
Fax(262) 787-5299
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateJuly 26, 2019
Last NPPES UpdateFebruary 6, 20265 updates tracked since enumeration
NPPES CertifiedFebruary 6, 2026
✔ NPI 1376197574 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 · 8877-33
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.
12901 W NATIONAL AVE, New Berlin, WI 53151
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Other Identifiers 1

Medicaid100097990WI

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

Elizabeth Gastineau 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 ID9638504129
PECOS Enrollment IDI20200921000968
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 Elizabeth Gastineau reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Aurora Medical Group, Inc.
2.8 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
Lakeshore Medical Clinic, LLC
9.8 mi
Family Medicine
2000 E LAYTON AVE STE 100
Saint Francis, WI 53235
  • Reassigned Medicare billing, Wisconsin enrollment
  • 960 clinicians in this Medicare group
NPI 1003861188 (414) 744-6589
Aurora Advanced Healthcare, Inc.
13 mi
Family Medicine
3003 W GOOD HOPE RD
Milwaukee, WI 53209
  • Reassigned Medicare billing, Wisconsin enrollment
  • 1,615 clinicians in this Medicare group
NPI 1265629133 (414) 352-3100

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 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 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.
60 services54 patients
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.
57 services55 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53151 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 11

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

MR. DENNIS J GARVIN APNP
Nurse Practitioner
12901 W NATIONAL AVE
NEW BERLIN, WI 53151
Waukesha County (262) 787-5200
DR. JONATHAN GABRIEL BONCHAK M.D.
Dermatology
12901 W NATIONAL AVE
NEW BERLIN, WI 53151
Waukesha County (262) 787-5200
GABRIELLE N MANNINO MD
Dermatology
12901 W NATIONAL AVE
NEW BERLIN, WI 53151
Waukesha County (262) 787-5200
MS. JENNIFER J NICPON APNP
Nurse Practitioner
12901 W NATIONAL AVE
NEW BERLIN, WI 53151
Waukesha County (262) 787-5200
MARGARET M. LEONHARDT M.D.
Family Medicine
12901 W NATIONAL AVE
NEW BERLIN, WI 53151
Waukesha County (262) 782-7770
DR. DAVID L. CROSBY MD
Dermatology
12901 W NATIONAL AVE
NEW BERLIN, WI 53151
Waukesha County (262) 787-5200
DR. LISA K MUCHARD M.D.
Dermatology
12901 W NATIONAL AVE
NEW BERLIN, WI 53151
Waukesha County (262) 787-5200
DR. ALEXANDER M MALEY M.D.
Dermatology
12901 W NATIONAL AVE
NEW BERLIN, WI 53151
Waukesha County (262) 787-5200

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 Elizabeth Gastineau's NPI number?

The NPI number for Elizabeth Gastineau is 1376197574. It was assigned to this individual provider in the NPPES registry on July 26, 2019.

Where is Elizabeth Gastineau located?

Elizabeth Gastineau practices at 12901 W National Ave, New Berlin, WI 53151. The listed phone number is (262) 787-5200.

What is Elizabeth Gastineau's specialty?

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

Is Elizabeth Gastineau enrolled in Medicare?

Yes. Elizabeth Gastineau 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 Elizabeth Gastineau's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Elizabeth Gastineau reassigns Medicare benefits to 3 organizations: Aurora Medical Group, Inc. (West Allis, WI), Lakeshore Medical Clinic, LLC (Saint Francis, WI) and Aurora Advanced Healthcare, 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 Elizabeth Gastineau's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Elizabeth Gastineau 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 Elizabeth Gastineau 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 Elizabeth Gastineau was last updated on February 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.