Quick answers
- Which hospitals does Patrick R. Keller work at?
- Medicare's official clinician data lists Patrick R. Keller at 4 hospitals: Aurora Medical Center - Summit, Oconomowoc Memorial Hospital, Watertown Memorial Hospital and Waukesha Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Patrick R. Keller see patients?
- Medicare's clinician data lists 10 practice locations, including Watertown, WI, Oconomowoc, WI and Brookfield, WI. Call before your visit to confirm the address.
- What is Patrick R. Keller's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Patrick R. Keller accept Medicare assignment?
- Yes. Medicare's clinician data says Patrick R. Keller 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 Patrick R. Keller?
- (262) 928-5100, as listed in official Medicare / NPI Registry data.
- What is Patrick R. Keller's NPI number?
- 1801817499. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Patrick R. Keller works
Medicare's Facility Affiliation Data lists Patrick R. Keller at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Aurora Medical Center - SummitSummit, WI · Acute Care Hospital · CCN 520206
- Oconomowoc Memorial HospitalOconomowoc, WI · Acute Care Hospital · CCN 520062
- Watertown Memorial HospitalWatertown, WI · Acute Care Hospital · CCN 520116
- Waukesha Memorial HospitalWaukesha, WI · Acute Care Hospital · CCN 520008
Practice locations
Addresses where Patrick R. Keller is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 10; the Medicare profile lists all.
- 109 Air Park DrWatertown, WI 53094 (262) 928‑5100
- 1185 Corporate Ctr Dr, Suite 175Oconomowoc, WI 53066 (262) 928‑8400
- 125 Hospital DrWatertown, WI 53098 (920) 262‑4659
- 18905 W Capitol Dr, Suite 110Brookfield, WI 53045 (866) 432‑7855
- 240 Maple AveMukwonago, WI 53149 (262) 928‑1854
Group practices
Medicare enrollment lists Patrick R. Keller as a member of these groups (CMS data updated 2026-10-02).
- Prohealth Medical Group Inc479 clinicians in the group
- Radiology Waukesha SC29 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Wisconsin
Clinicians with the same Medicare primary specialty in Wisconsin — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Wisconsin |
| Graduation year | 1998 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1801817499 |
| 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