Quick answers
- Which hospitals does Joseph Lorenz work at?
- Medicare's official clinician data lists Joseph Lorenz at 2 hospitals: Ascension Columbia St Marys Hospital Milwaukee and Ascension SE Wisconsin Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Joseph Lorenz see patients?
- Medicare's clinician data lists 8 practice locations, including Franklin, WI, Mequon, WI and Brookfield, WI. Call before your visit to confirm the address.
- What is Joseph Lorenz's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does Joseph Lorenz accept Medicare assignment?
- Yes. Medicare's clinician data says Joseph Lorenz 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 Joseph Lorenz?
- (414) 325-4700, as listed in official Medicare / NPI Registry data.
- What is Joseph Lorenz's NPI number?
- 1801391347. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Joseph Lorenz works
Medicare's Facility Affiliation Data lists Joseph Lorenz at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ascension Columbia St Marys Hospital MilwaukeeMilwaukee, WI · Acute Care Hospital · CCN 520051
- Ascension SE Wisconsin HospitalMilwaukee, WI · Acute Care Hospital · CCN 520136
Practice locations
Addresses where Joseph Lorenz is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.
- 10101 S 27th StFranklin, WI 53132 (414) 325‑4700
- 13111 N Port Washington RdMequon, WI 53097 (262) 243‑7300
- 19333 W N AveBrookfield, WI 53045 (262) 785‑2000
- 201 N Mayfair RdWauwatosa, WI 53226 (414) 259‑7200
- 2301 N Lake DrMilwaukee, WI 53211 (414) 585‑1132
Group practices
Medicare enrollment lists Joseph Lorenz as a member of this group (CMS data updated 2026-10-02).
- Vituity-Wisconsin Anesthesia SC139 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Franklin
Clinicians with the same Medicare primary specialty in Franklin, WI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1801391347 |
| 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