Quick answers
- Which hospitals does Paul J. Warren work at?
- Medicare's official clinician data lists Paul J. Warren at 4 hospitals: Aurora Lakeland Medical Center, Aurora Medical Center - Summit, Aurora Medical Center Kenosha and Aurora Memorial Hospital Burlington. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Paul J. Warren see patients?
- Medicare's clinician data lists 2 practice locations, including Burlington, WI and Milwaukee, WI. Call before your visit to confirm the address.
- What is Paul J. Warren's specialty?
- Medicare lists Nephrology as the primary specialty.
- Does Paul J. Warren accept Medicare assignment?
- Yes. Medicare's clinician data says Paul J. Warren 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 Paul J. Warren?
- (262) 767-8000, as listed in official Medicare / NPI Registry data.
- What is Paul J. Warren's NPI number?
- 1487646477. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Paul J. Warren works
Medicare's Facility Affiliation Data lists Paul J. Warren at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Aurora Lakeland Medical CenterElkhorn, WI · Acute Care Hospital · CCN 520102
- Aurora Medical Center - SummitSummit, WI · Acute Care Hospital · CCN 520206
- Aurora Medical Center KenoshaKenosha, WI · Acute Care Hospital · CCN 520189
- Aurora Memorial Hospital BurlingtonBurlington, WI · Acute Care Hospital · CCN 520059
Practice locations
Addresses where Paul J. Warren is enrolled with Medicare (CMS data updated 2026-10-02).
- 248 McHenry StBurlington, WI 53105 (262) 767‑8000
- 3120 S 27th StMilwaukee, WI 53215 (414) 762‑2020
Group practices
Medicare enrollment lists Paul J. Warren as a member of these groups (CMS data updated 2026-10-02).
- Aurora Medical Group, Inc.3,813 clinicians in the group
- Midwest Nephrology Associates SC30 clinicians in the group
Specialties
- Nephrologyprimary
Other nephrologists in Wisconsin
Clinicians with the same Medicare primary specialty in Wisconsin — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1487646477 |
| 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