Quick answers
- Which hospitals does Michael P. Obrien work at?
- Medicare's official clinician data lists Michael P. Obrien at 5 hospitals: Aurora Medical Center, Aurora Medical Center Kenosha, Aurora Medical Ctr Washington 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 Michael P. Obrien see patients?
- Medicare's clinician data lists 3 practice locations, including Saint Francis, WI, Milwaukee, WI and Waukesha, WI. Call before your visit to confirm the address.
- What is Michael P. Obrien's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Michael P. Obrien accept Medicare assignment?
- Yes. Medicare's clinician data says Michael P. Obrien 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 Michael P. Obrien?
- (414) 744-6589, as listed in official Medicare / NPI Registry data.
- What is Michael P. Obrien's NPI number?
- 1194777888. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michael P. Obrien works
Medicare's Facility Affiliation Data lists Michael P. Obrien at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Aurora Medical CenterGrafton, WI · Acute Care Hospital · CCN 520207
- Aurora Medical Center KenoshaKenosha, WI · Acute Care Hospital · CCN 520189
- Aurora Medical Ctr Washington CountyHartford, WI · Acute Care Hospital · CCN 520038
- 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 Michael P. Obrien is enrolled with Medicare (CMS data updated 2026-10-02).
- 2000 E Layton AveSaint Francis, WI 53235 (414) 744‑6589
- 3003 W Good Hope RdMilwaukee, WI 53209 (414) 352‑3100
- W231 N1440 Corporate CourtWaukesha, WI 53186 (262) 896‑6070
Group practices
Medicare enrollment lists Michael P. Obrien as a member of these groups (CMS data updated 2026-10-02).
- Aurora Medical Group, Inc.3,813 clinicians in the group
- Aurora Advanced Healthcare, Inc.1,124 clinicians in the group
- Lakeshore Medical Clinic LLC379 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Saint Francis
Clinicians with the same Medicare primary specialty in Saint Francis, WI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Iowa, Rj & L Carver College Of Medicine |
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1194777888 |
| 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