ELIZABETH NICOLE ERSCHEN NNP
NPI 1023729654
Nurse Practitioner - Neonatal in Milwaukee, WI

Active since December 05, 2022PECOS Enrolled
9000 W WISCONSIN AVE, MILWAUKEE, WI 53226(414) 266-6820(414) 266-6979 Get Directions Write a Review

NPPES record last updated: January 12, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 12, 2025, Apr 5, 2024, Jan 11, 2023 and 1 more (4 updates tracked since 2022).

About Elizabeth Nicole Erschen Nnp NPPES

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

ELIZABETH NICOLE ERSCHEN NNP (NPI 1023729654) is an individual neonatal provider in Milwaukee, Wisconsin, licensed in Wisconsin (1335733) and active in the NPI registry since December 2022. She is enrolled in Medicare PECOS and maintains a secondary practice location in Milwaukee.

NPPES Registry Identity

NPI1023729654
Entity TypeIndividualFemale
Primary Taxonomy363LN0000X
Provider Legal NameELIZABETH NICOLE ERSCHENCredential: NNP
Location Address9000 W WISCONSIN AVEMilwaukee, WI 53226-4874
Mailing Address9000 W Wisconsin AveMilwaukee, WI 53226-4874 · (414) 266-6820 · Fax (414) 266-6979
Fax(414) 266-6979
Sole ProprietorNo
Enumeration DateDecember 5, 2022
Last NPPES UpdateJanuary 12, 20254 updates tracked since enumeration
NPPES CertifiedJanuary 12, 2025
✔ NPI 1023729654 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · NeonatalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LN0000X
License✔ Licensed in WI · 1335733
9000 W WISCONSIN AVE, Milwaukee, WI 53226

Secondary Practice Location 1

Location 19200 W Wisconsin AveMilwaukee, WI 53226-3522 · Phone (414) 805-5800 · Fax (414) 805-8097

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Elizabeth Nicole Erschen Nnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Elizabeth Erschen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
8701 WATERTOWN PLANK RD
Milwaukee, WI 53226
  • Reassigned Medicare billing, Wisconsin enrollment
  • 3,983 clinicians in this Medicare group
Mental Health (Including Community Mental Health Center)
200 FRONT ST, SUITE 3D
Beaver Dam, WI 53916
  • Reassigned Medicare billing, Wisconsin enrollment
  • 606 clinicians in this Medicare group

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 53226 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.

Nurse Practitioner (Pediatrics)
9000 W WISCONSIN AVE, PEDIATRIC CRITICAL CARE
MILWAUKEE, WI 53226
Pediatrics (Pediatric Hematology-Oncology)
9000 W WISCONSIN AVE
MILWAUKEE, WI 53226
Pediatrics (Pediatric Endocrinology)
9000 W WISCONSIN AVE
MILWAUKEE, WI 53226
Pediatrics
9000 W WISCONSIN AVE
MILWAUKEE, WI 53226
Pediatrics
9000 W WISCONSIN AVE
MILWAUKEE, WI 53226
Dietitian, Registered
9000 W WISCONSIN AVE
MILWAUKEE, WI 53226
Social Worker (Clinical)
9000 W WISCONSIN AVE
MILWAUKEE, WI 53226
Psychologist (Clinical)
9000 W WISCONSIN AVE
MILWAUKEE, WI 53226

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 Erschen's NPI number?

The NPI number for Elizabeth Erschen is 1023729654. It was assigned to this individual provider in the NPPES registry on December 5, 2022.

Where is Elizabeth Erschen located?

Elizabeth Erschen practices at 9000 W Wisconsin Ave, Milwaukee, WI 53226. The listed phone number is (414) 266-6820.

What is Elizabeth Erschen's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Neonatal, with taxonomy code 363LN0000X.

Is Elizabeth Erschen enrolled in Medicare?

Yes. Elizabeth Erschen is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Elizabeth Erschen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Elizabeth Erschen reassigns Medicare benefits to 2 organizations: The Medical College Of Wisconsin, Inc. (Milwaukee, WI) and Agnesian Healthcare (Beaver Dam, 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 Erschen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Elizabeth Erschen accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners and Network Health list Elizabeth Erschen 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 Erschen was last updated on January 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.