Quick answers
- Does Arturo E. Eyzaguirre accept Medicare assignment?
- Yes. Medicare's clinician data says Arturo E. Eyzaguirre accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Arturo E. Eyzaguirre see?
- In 2024, CMS data shows 346 Original Medicare patients and 957 services for Arturo E. Eyzaguirre. This counts Original Medicare only and measures volume, not quality.
- What is Arturo E. Eyzaguirre's NPI number?
- 1114029196. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Arturo E. Eyzaguirre, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 346 |
|---|---|
| Services billed to Medicare | 957 |
| Different services or procedures | 28 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)440 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)141 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)71 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)51 services
- Critical care, first 30-74 minutes (99291)47 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- COPD53%
- Arthritis51%
- Heart failure46%
- Chronic kidney disease45%
Hospitals where Arturo E. Eyzaguirre works
Medicare's Facility Affiliation Data lists Arturo E. Eyzaguirre at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Ascension All Saints HospitalRacine, WI · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 520096
- Ascension Columbia St Marys Hospital MilwaukeeMilwaukee, WI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 520051
- Ascension SE Wisconsin HospitalMilwaukee, WI · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 520136
- Aurora St Lukes Medical CenterMilwaukee, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520138
- Watertown Memorial HospitalWatertown, WI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 520116
Practice locations
Addresses where Arturo E. Eyzaguirre is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 12; the Medicare profile lists all.
- 10101 S 27th StFranklin, WI 53132 (414) 325‑4700
- 125 Hospital DrWatertown, WI 53098 (920) 261‑4210
- 13950 W Capitol DrBrookfield, WI 53005 (414) 302‑5400
- 201 N Mayfair RdWauwatosa, WI 53226
- 3801 Spring StMount Pleasant, WI 53405 (262) 687‑4011
Group practices
Medicare enrollment lists Arturo E. Eyzaguirre as a member of these groups (CMS data updated October 2, 2026).
- Ascension Medical Group-Southeast Wisconsin Inc545 clinicians in the group
- Watertown Physician Practices LLC67 clinicians in the group
- Pulmonary and Critical Care Associates S C7 clinicians in the group
Specialties
Other internal medicine doctors in Franklin
Clinicians with the same Medicare primary specialty in Franklin, WI — not a recommendation.
Other clinicians in Ascension Medical Group-Southeast Wisconsin Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1997 (29 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1114029196 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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