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Internal Medicine

Jennifer E. Macgaffey, MD

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

Summary

Jennifer E. Macgaffey, MD (Internal Medicine) is listed by Medicare at 4 hospitals in Grafton, WI, Summit, WI and Milwaukee, WI and other places. NPI 1497786842. 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 Jennifer E. Macgaffey, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
34Years since medical school (graduated 1992)
University Of Rochester School Of Medicine And DentistryMedical school
FemaleGender (as listed)
Aurora Advanced Healthcare, Inc.Group practice

Quick answers

Which hospitals does Jennifer E. Macgaffey work at?
Medicare's official clinician data lists Jennifer E. Macgaffey at 4 hospitals: Aurora Medical Center, Aurora Medical Center - Summit, Aurora St Lukes Medical Center and West Allis Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Jennifer E. Macgaffey see patients?
Medicare's clinician data lists 4 practice locations, including Wauwatosa, WI and Milwaukee, WI. Call before your visit to confirm the address.
What is Jennifer E. Macgaffey's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Jennifer E. Macgaffey accept Medicare assignment?
Yes. Medicare's clinician data says Jennifer E. Macgaffey 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 Jennifer E. Macgaffey?
(414) 476-8450, as listed in official Medicare / NPI Registry data.
What is Jennifer E. Macgaffey's NPI number?
1497786842. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jennifer E. Macgaffey works

Medicare's Facility Affiliation Data lists Jennifer E. Macgaffey 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 Jennifer E. Macgaffey is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Jennifer E. Macgaffey as a member of this group (CMS data updated 2026-10-02).

  • Aurora Advanced Healthcare, Inc.1,124 clinicians in the group

Specialties

Find other Internal Medicine doctors in Wisconsin →

Other internal medicine doctors in Wauwatosa

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

All internal medicine doctors in Wauwatosa →

Clinician information

CredentialMD
Medical schoolUniversity Of Rochester School Of Medicine And Dentistry
Graduation year1992
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1497786842
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