Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Pathology

Susan Pei, MD

Works at hospitals in Elkhorn, WI · Summit, WI · Milwaukee, WI … · Wisconsin

Summary

Susan Pei, MD (Pathology) is listed by Medicare at 5 hospitals in Elkhorn, WI, Summit, WI and Milwaukee, WI and other places. NPI 1003202896. 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 Susan Pei, 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

PathologyPrimary specialty
YesAccepts Medicare assignment
11Years since medical school (graduated 2015)
FemaleGender (as listed)
Great Lakes Pathologists SCGroup practice

Quick answers

Which hospitals does Susan Pei work at?
Medicare's official clinician data lists Susan Pei at 5 hospitals: Aurora Lakeland Medical Center, Aurora Medical Center - Summit, Aurora St Lukes Medical Center, Froedtert Memorial Lutheran Hospital and Waukesha Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Susan Pei see patients?
Medicare's clinician data lists 8 practice locations, including Hartford, WI, Burlington, WI and Green Bay, WI. Call before your visit to confirm the address.
What is Susan Pei's specialty?
Medicare lists Pathology as the primary specialty.
Does Susan Pei accept Medicare assignment?
Yes. Medicare's clinician data says Susan Pei 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.
What is the phone number for Susan Pei?
(262) 670-7231, as listed in official Medicare / NPI Registry data.
What is Susan Pei's NPI number?
1003202896. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Susan Pei works

Medicare's Facility Affiliation Data lists Susan Pei 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 Susan Pei is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.

Group practices

Medicare enrollment lists Susan Pei as a member of this group (CMS data updated 2026-10-02).

  • Great Lakes Pathologists SC55 clinicians in the group

Specialties

Find other Pathology doctors in Wisconsin →

Other pathologists in Hartford

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

All pathologists in Hartford →

Clinician information

CredentialMD
Graduation year2015
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1003202896
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