Quick answers
- Which hospitals does Andrew J. Olafsson work at?
- Medicare's official clinician data lists Andrew J. Olafsson at 5 hospitals: Ascension Columbia St Marys Hospital Milwaukee, Ascension SE Wisconsin Hospital, Community Memorial Hospital, Waukesha Memorial Hospital and West Allis Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Andrew J. Olafsson see patients?
- Medicare's clinician data lists 1 practice location in Wauwatosa, WI. Call before your visit to confirm the address.
- What is Andrew J. Olafsson's specialty?
- Medicare lists Nephrology as the primary specialty, and also Internal Medicine.
- Does Andrew J. Olafsson accept Medicare assignment?
- Yes. Medicare's clinician data says Andrew J. Olafsson 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 Andrew J. Olafsson?
- (414) 431-2186, as listed in official Medicare / NPI Registry data.
- What is Andrew J. Olafsson's NPI number?
- 1144279332. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Andrew J. Olafsson works
Medicare's Facility Affiliation Data lists Andrew J. Olafsson 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
- Community Memorial HospitalMenomonee Falls, WI · Acute Care Hospital · CCN 520103
- Waukesha Memorial HospitalWaukesha, WI · Acute Care Hospital · CCN 520008
- West Allis Memorial HospitalWest Allis, WI · Acute Care Hospital · CCN 520139
Practice locations
Addresses where Andrew J. Olafsson is enrolled with Medicare (CMS data updated 2026-10-02).
- 601 N 99th St, Suite 302Wauwatosa, WI 53226 (414) 431‑2186
Group practices
Medicare enrollment lists Andrew J. Olafsson as a member of this group (CMS data updated 2026-10-02).
- Milwaukee Nephrologists SC21 clinicians in the group
Specialties
- Nephrologyprimary
- Internal Medicinealso
Other nephrologists in Wauwatosa
Clinicians with the same Medicare primary specialty in Wauwatosa, WI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Wisconsin School Of Medicine |
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1144279332 |
| 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