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Pathology

Timothy J. Greenwell

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

Summary

Timothy J. Greenwell (Pathology) is listed by Medicare at 5 hospitals in Grafton, WI, Kenosha, WI and Milwaukee, WI and other places. NPI 1003301318. 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 Timothy J. Greenwell, 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
8Years since medical school (graduated 2018)
MaleGender (as listed)
The Medical College of Wisconsin IncGroup practice (+1 more)

Quick answers

Which hospitals does Timothy J. Greenwell work at?
Medicare's official clinician data lists Timothy J. Greenwell at 5 hospitals: Aurora Medical Center, Aurora Medical Center Kenosha, Aurora St Lukes Medical Center, Waukesha Memorial Hospital and West Allis Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Timothy J. Greenwell see patients?
Medicare's clinician data lists 3 practice locations, including Milwaukee, WI and West Allis, WI. Call before your visit to confirm the address.
What is Timothy J. Greenwell's specialty?
Medicare lists Pathology as the primary specialty.
Does Timothy J. Greenwell accept Medicare assignment?
Yes. Medicare's clinician data says Timothy J. Greenwell 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 Timothy J. Greenwell?
(414) 805-3666, as listed in official Medicare / NPI Registry data.
What is Timothy J. Greenwell's NPI number?
1003301318. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Timothy J. Greenwell works

Medicare's Facility Affiliation Data lists Timothy J. Greenwell 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 Timothy J. Greenwell is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Timothy J. Greenwell as a member of these groups (CMS data updated 2026-10-02).

  • The Medical College of Wisconsin Inc2,115 clinicians in the group
  • Great Lakes Pathologists SC55 clinicians in the group

Specialties

Find other Pathology doctors in Wisconsin →

Other pathologists in Milwaukee

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

All pathologists in Milwaukee →

Clinician information

Graduation year2018
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1003301318
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