Quick answers
- Which hospitals does Alfredo Diaz work at?
- Medicare's official clinician data lists Alfredo Diaz at 4 hospitals: Aurora BayCare Medical Ctr, Aurora Medical Center Sheboygan County, Aurora Medical Ctr Manitowoc County and Holy Family Memorial. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Alfredo Diaz see patients?
- Medicare's clinician data lists 4 practice locations, including Milwaukee, WI, Kenosha, WI and Two Rivers, WI. Call before your visit to confirm the address.
- What is Alfredo Diaz's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Alfredo Diaz accept Medicare assignment?
- Medicare's clinician data says Alfredo Diaz may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Alfredo Diaz?
- (414) 219-3056, as listed in official Medicare / NPI Registry data.
- What is Alfredo Diaz's NPI number?
- 1902911159. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Alfredo Diaz works
Medicare's Facility Affiliation Data lists Alfredo Diaz at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Aurora BayCare Medical CtrGreen Bay, WI · Acute Care Hospital · CCN 520193
- Aurora Medical Center Sheboygan CountySheboygan, WI · Acute Care Hospital · CCN 520035
- Aurora Medical Ctr Manitowoc CountyTwo Rivers, WI · Acute Care Hospital · CCN 520034
- Holy Family MemorialManitowoc, WI · Acute Care Hospital · CCN 520107
Practice locations
Addresses where Alfredo Diaz is enrolled with Medicare (CMS data updated 2026-10-02).
- 1020 N 12th StMilwaukee, WI 53233 (414) 219‑3056
- 10400 75th StKenosha, WI 53142 (262) 948‑7000
- 5000 Memorial DrTwo Rivers, WI 54241 (920) 794‑5000
- 5300 Memorial DrTwo Rivers, WI 54241 (920) 793‑7300
Group practices
Medicare enrollment lists Alfredo Diaz as a member of these groups (CMS data updated 2026-10-02).
- Aurora Medical Group, Inc.3,813 clinicians in the group
- Aamg Reach PLLC51 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Milwaukee
Clinicians with the same Medicare primary specialty in Milwaukee, WI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Nebraska College Of Medicine |
| Graduation year | 1995 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1902911159 |
| 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