Quick answers
- Does Sotirios A. Vasilopoulos accept Medicare assignment?
- Yes. Medicare's clinician data says Sotirios A. Vasilopoulos 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 Sotirios A. Vasilopoulos see?
- In 2024, CMS data shows 287 Original Medicare patients and 544 services for Sotirios A. Vasilopoulos. This counts Original Medicare only and measures volume, not quality.
- What is Sotirios A. Vasilopoulos's NPI number?
- 1568432912. 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 Sotirios A. Vasilopoulos, 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 | 287 |
|---|---|
| Services billed to Medicare | 544 |
| Different services or procedures | 50 |
| 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)120 services
- Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)69 services
- Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes (99221)66 services
- Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)42 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)31 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%
- Arthritis64%
- Chronic kidney disease51%
- Diabetes40%
- Ischemic heart disease38%
Hospitals where Sotirios A. Vasilopoulos works
Medicare's Facility Affiliation Data lists Sotirios A. Vasilopoulos 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.
- Aurora St Lukes Medical CenterMilwaukee, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520138
Practice locations
Addresses where Sotirios A. Vasilopoulos is enrolled with Medicare (CMS data updated October 2, 2026).
- 2901 W Kinnickinnic River PkwyMilwaukee, WI 53215 (414) 649‑3750
- 5900 S Lake Dr, Fl 2Cudahy, WI 53110 (414) 489‑4522
- 9000 W Sura LnGreenfield, WI 53228 (414) 246‑6800
Group practices
Medicare enrollment lists Sotirios A. Vasilopoulos as a member of these groups (CMS data updated October 2, 2026).
- Aurora Medical Group, Inc.3,813 clinicians in the group
- Aurora Advanced Healthcare, Inc.1,124 clinicians in the group
- Lakeshore Medical Clinic LLC379 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Milwaukee
Clinicians with the same Medicare primary specialty in Milwaukee, WI — not a recommendation.
Other clinicians in Aurora Medical Group, Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| 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) | 1568432912 |
| 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