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Nurse Practitioner

Nancy L. Lassa

Works at hospitals in Milwaukee, WI · Wisconsin

Summary

Nancy L. Lassa (Nurse Practitioner) is listed by Medicare at 1 hospital in Milwaukee, WI. NPI 1487808598. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Nancy L. Lassa, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Nurse PractitionerPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
13Years since medical school (graduated 2013)
FemaleGender (as listed)
The Medical College of Wisconsin IncGroup practice

Quick answers

Which hospitals does Nancy L. Lassa work at?
Medicare's official clinician data lists Nancy L. Lassa at 1 hospital: Froedtert Memorial Lutheran Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Nancy L. Lassa see patients?
Medicare's clinician data lists 4 practice locations, including Milwaukee, WI and New Berlin, WI. Call before your visit to confirm the address.
What is Nancy L. Lassa's specialty?
Medicare lists Nurse Practitioner as the primary specialty.
Does Nancy L. Lassa accept Medicare assignment?
Yes. Medicare's clinician data says Nancy L. Lassa accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Nancy L. Lassa offer telehealth?
Medicare's clinician data says Nancy L. Lassa offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Nancy L. Lassa?
(414) 955-4263, as listed in official Medicare / NPI Registry data.
What is Nancy L. Lassa's NPI number?
1487808598. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Nancy L. Lassa works

Medicare's Facility Affiliation Data lists Nancy L. Lassa at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Nancy L. Lassa is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Nancy L. Lassa as a member of this group (CMS data updated 2026-10-02).

  • The Medical College of Wisconsin Inc2,115 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Wisconsin →

Other nurse practitioners in Milwaukee

Clinicians with the same Medicare primary specialty in Milwaukee, WI — not a recommendation.

All nurse practitioners in Milwaukee →

Clinician information

Graduation year2013
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1487808598
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians