Quick answers
- Where does Ivor J. Benjamin see patients?
- Medicare's clinician data lists 6 practice locations, including Wauwatosa, WI, Brookfield, WI and Milwaukee, WI. Call before your visit to confirm the address.
- What is Ivor J. Benjamin's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Cardiovascular Disease (Cardiology).
- Does Ivor J. Benjamin accept Medicare assignment?
- Yes. Medicare's clinician data says Ivor J. Benjamin 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 Ivor J. Benjamin?
- (414) 955-5990, as listed in official Medicare / NPI Registry data.
- What is Ivor J. Benjamin's NPI number?
- 1851481485. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Ivor J. Benjamin is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 1155 N Mayfair RdWauwatosa, WI 53226 (414) 955‑5990
- 21700 Intertech DrBrookfield, WI 53045 (262) 532‑8300
- 840 N 87th StMilwaukee, WI 53226 (414) 805‑5540
- 8701 W Watertown PlankMilwaukee, WI 53226 (414) 805‑3666
- 8701 Watertown Plank Rd, Room 4041 MfrcMilwaukee, WI 53226 (414) 805‑3666
Group practices
Medicare enrollment lists Ivor J. Benjamin as a member of these groups (CMS data updated 2026-10-02).
- The Medical College of Wisconsin Inc2,115 clinicians in the group
- Froedtert Andthe Medical College of Wisconsin Community Physicians Inc1,285 clinicians in the group
Specialties
Other internal medicine doctors in Wauwatosa
Clinicians with the same Medicare primary specialty in Wauwatosa, WI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Johns Hopkins University School Of Medicine |
| Graduation year | 1982 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1851481485 |
| 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
- 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