Quick answers
- Does Guglielmo C. Sala accept Medicare assignment?
- Yes. Medicare's clinician data says Guglielmo C. Sala 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 Guglielmo C. Sala see?
- In 2024, CMS data shows 215 Original Medicare patients and 528 services for Guglielmo C. Sala. This counts Original Medicare only and measures volume, not quality.
- What is Guglielmo C. Sala's NPI number?
- 1548349046. 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 Guglielmo C. Sala, 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 | 215 |
|---|---|
| Services billed to Medicare | 528 |
| Different services or procedures | 14 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)254 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)151 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)80 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 pressure66%
- High cholesterol64%
- Arthritis31%
- Ischemic heart disease21%
- Diabetes20%
- Atrial fibrillation19%
Hospitals where Guglielmo C. Sala works
Medicare's Facility Affiliation Data lists Guglielmo C. Sala 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 Columbia St Marys Hospital MilwaukeeMilwaukee, WI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 520051
- Aurora Medical CenterGrafton, WI · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 520207
- Orthopaedic Hospital of WisconsinGlendale, WI · Acute Care Hospital · Emergency services: not listed by Medicare · CCN 520194
Practice locations
Addresses where Guglielmo C. Sala is enrolled with Medicare (CMS data updated October 2, 2026).
- 3840 N Oakland AveShorewood, WI 53211 (419) 221‑6717
- 801 S 70th StWest Allis, WI 53214 (414) 773‑6600
- N143W6515 Pioneer RdCedarburg, WI 53012 (262) 377‑6933
Group practices
Medicare enrollment lists Guglielmo C. Sala as a member of these groups (CMS data updated October 2, 2026).
- Columbia St Marys Hospital Milwaukee Inc306 clinicians in the group
- Advantage Physical Therapy and Sports Rehab, LLC294 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Wisconsin
Clinicians with the same Medicare primary specialty in Wisconsin — not a recommendation.
Other clinicians in Columbia St Marys Hospital Milwaukee Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Wisconsin |
| Graduation year | 1994 (32 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1548349046 |
| 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