Quick answers
- Which hospitals does Gregory E. Kauffmann work at?
- Medicare's official clinician data lists Gregory E. Kauffmann at 5 hospitals: Aurora BayCare Medical Ctr, Aurora Medical Center - Summit, Aurora Medical Ctr Manitowoc County, 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 Gregory E. Kauffmann see patients?
- Medicare's clinician data lists 5 practice locations, including Green Bay, WI, Milwaukee, WI and Summit, WI. Call before your visit to confirm the address.
- What is Gregory E. Kauffmann's specialty?
- Medicare lists Radiation Oncology as the primary specialty.
- Does Gregory E. Kauffmann accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory E. Kauffmann 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 Gregory E. Kauffmann?
- (920) 288-4160, as listed in official Medicare / NPI Registry data.
- What is Gregory E. Kauffmann's NPI number?
- 1326480245. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gregory E. Kauffmann works
Medicare's Facility Affiliation Data lists Gregory E. Kauffmann at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Aurora BayCare Medical CtrGreen Bay, WI · Acute Care Hospital · CCN 520193
- Aurora Medical Center - SummitSummit, WI · Acute Care Hospital · CCN 520206
- Aurora Medical Ctr Manitowoc CountyTwo Rivers, WI · Acute Care Hospital · CCN 520034
- Aurora St Lukes Medical CenterMilwaukee, WI · Acute Care Hospital · CCN 520138
- West Allis Memorial HospitalWest Allis, WI · Acute Care Hospital · CCN 520139
Practice locations
Addresses where Gregory E. Kauffmann is enrolled with Medicare (CMS data updated 2026-10-02).
- 2845 Greenbrier RdGreen Bay, WI 54311 (920) 288‑4160
- 2900 W Oklahoma AveMilwaukee, WI 53215 (414) 649‑6420
- 36500 Aurora DrSummit, WI 53066 (262) 434‑1800
- 5300 Memorial DrTwo Rivers, WI 54241 (920) 793‑7349
- 8901 W Lincoln AveWest Allis, WI 53227 (414) 328‑6460
Group practices
Medicare enrollment lists Gregory E. Kauffmann as a member of this group (CMS data updated 2026-10-02).
- Radiation Oncology Associates Ltd24 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in Green Bay
Clinicians with the same Medicare primary specialty in Green Bay, WI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Chicago, Pritzker School Of Medicine |
| Graduation year | 2013 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1326480245 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians