Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MRS. ERIN C LASSANSKE NP
NPI 1235135559
Nurse Practitioner - Family in Milwaukee, WI

Q: What is Erin Lassanske's NPI number?

The NPI number for Erin Lassanske is 1235135559. It was assigned to this individual provider in the NPPES registry on June 22, 2005.

Q: What is Erin Lassanske's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Erin Lassanske was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 days 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.

Active since June 22, 2005PECOS Enrolled

82.39/100

CMS Quality Rating

2901 W KK RIVER PKWY, STE 305, MILWAUKEE, WI 53215(414) 645-6070(414) 645-6354 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Mrs. Erin C Lassanske Np NPPES

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

MRS. ERIN C LASSANSKE NP (NPI 1235135559) is an individual family provider in Milwaukee, Wisconsin, licensed in Wisconsin (2564-33) and active in the NPI registry since June 2005. She is enrolled in Medicare PECOS, is affiliated with Ascension St Francis Hospital, and is a graduate of Other (2004).

NPPES Registry Identity

NPI1235135559

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameMRS. ERIN C LASSANSKECredential: NP

Location Address2901 W KK RIVER PKWY, STE 305Milwaukee, WI 53215-3660

Mailing Address2901 W Kk River Pkwy, Ste 305Milwaukee, WI 53215-3660 · (414) 645-6070 · Fax (414) 645-6354

Phone(414) 645-6070

Fax(414) 645-6354

Sole ProprietorNo

Medical School CMSOtherGraduated 2004

Enumeration DateJune 22, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1235135559 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 · 2564-33

2901 W KK RIVER PKWY, Milwaukee, WI 53215

Open in Google Maps ↗

Other Identifiers 1

Medicaid41195700WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Network Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mrs. Erin C Lassanske Np 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 ID3274501861

PECOS Enrollment IDI20040921001193

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.

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 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.

34 services33 patients

Programming of dual lead pacemaker system 93280

Programming of a dual lead pacemaker system is a procedure to adjust your heart's pacemaker settings. This process involves a small device, called a programmer, that communicates with your pacemaker to ensure it's working optimally for your heart's needs.

15 services15 patients

Hospital Affiliations CMS Care Compare 2

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

Ascension St Francis Hospital

Acute Care Hospitals · Milwaukee, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520078

Location3237 S 16th StMilwaukee, WI 53215 · Milwaukee County

Emergency services

Ascension SE Wisconsin Hospital

Acute Care Hospitals · Milwaukee, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number520136

Location5000 W Chambers StMilwaukee, WI 53210 · Milwaukee County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53215 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

82.39/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

77.88

Promoting Interoperability

Improvement Activities

Cost

74.38

Other Providers at the Same Location NPPES 8

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

TARUN SHARMA MD

Internal Medicine (Gastroenterology)

2901 W KK RIVER PKWY, SUITE 414
MILWAUKEE, WI 53215

Milwaukee County (414) 649-3750

MRS. RUTH ANN TREISMAN ARNP

Nurse Practitioner (Adult Health)

2901 W KK RIVER PKWY, SUITE 415
MILWAUKEE, WI 53215

Milwaukee County (414) 385-3082

TARUN KAURA

Internal Medicine (Gastroenterology)

2901 W KK RIVER PKWY, SUITE 414
MILWAUKEE, WI 53215

Milwaukee County (414) 649-3750

FRANKLIN D. LOO M.D.

Internal Medicine (Gastroenterology)

2901 W KK RIVER PKWY, SUITE 414
MILWAUKEE, WI 53215

Milwaukee County (414) 649-3750

NILAY KUMAR M.D., M.P.H

Internal Medicine (Gastroenterology)

2901 W KK RIVER PKWY, SUITE 414
MILWAUKEE, WI 53215

Milwaukee County (414) 649-3750

ABE F. GOLDBAUM M.D., S.C.

Neuromusculoskeletal Medicine, Sports Medicine

2901 W KK RIVER PKWY, STE 106,
MILWAUKEE, WI 53215

Milwaukee County (414) 649-7710

HOWARD J ZEFT MD

Internal Medicine (Cardiovascular Disease)

2901 W KK RIVER PKWY, STE 840
MILWAUKEE, WI 53215

Milwaukee County (414) 649-3530

DR. IMRAN K NIAZI MD

Internal Medicine (Clinical Cardiac Electrophysiology)

2901 W KK RIVER PKWY, STE 305
MILWAUKEE, WI 53215

Milwaukee County (414) 645-6070

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 Erin Lassanske's NPI number?

The NPI number for Erin Lassanske is 1235135559. It was assigned to this individual provider in the NPPES registry on June 22, 2005.

Where is Erin Lassanske located?

Erin Lassanske practices at 2901 W Kk River Pkwy Ste 305, Milwaukee, WI 53215. The listed phone number is (414) 645-6070.

What is Erin Lassanske's specialty?

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

Is Erin Lassanske enrolled in Medicare?

Yes. Erin Lassanske 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.

What insurance does Erin Lassanske accept?

Health plans from Anthem Blue Cross and Blue Shield and Network Health list Erin Lassanske 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 Erin Lassanske affiliated with any hospitals?

According to CMS data, Erin Lassanske is affiliated with Ascension St Francis Hospital and Ascension SE Wisconsin Hospital.

When was this NPI record last updated?

The NPPES record for Erin Lassanske was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 days 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.