Quick answers
- Does Vassilios A. Dimitropoulos accept Medicare assignment?
- Yes. Medicare's clinician data says Vassilios A. Dimitropoulos 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 Vassilios A. Dimitropoulos see?
- In 2024, CMS data shows 2,345 Original Medicare patients and 14,350 services for Vassilios A. Dimitropoulos. This counts Original Medicare only and measures volume, not quality.
- What is Vassilios A. Dimitropoulos's NPI number?
- 1194838045. 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 Vassilios A. Dimitropoulos, 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 | 2,345 |
|---|---|
| Services billed to Medicare | 14,350 |
| Different services or procedures | 74 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Destruction of precancer skin growth, 2-14 growths (17003)3,154 services
- Pathology examination of tissue using a microscope, intermediate complexity (88305)2,650 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)2,634 services
- Destruction of precancer skin growth, 1 growth (17000)986 services
- Biopsy of related skin growth, first growth (11102)569 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 cholesterol75%
- High blood pressure71%
- Arthritis45%
- Ischemic heart disease25%
- Diabetes24%
- Chronic kidney disease22%
Hospitals where Vassilios A. Dimitropoulos works
Medicare's Facility Affiliation Data lists Vassilios A. Dimitropoulos 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.
- University of Illinois Hospital and ClinicsChicago, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140150
Practice locations
Addresses where Vassilios A. Dimitropoulos is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 10; the Medicare profile lists all.
- 10282 W 400Michigan City, IN 46360
- 10282 W 400, Michigan City Dermatology and VeinMichigan City, IN 46360 (219) 364‑5200
- 15 W N AveVilla Park, IL 60181 (630) 279‑3399
- 2500 Niles Rd, Suite 10aSaint Joseph, MI 49085 (269) 428‑5199
- 2900 Niles RdSaint Joseph, MI 49085
Group practices
Medicare enrollment lists Vassilios A. Dimitropoulos as a member of these groups (CMS data updated October 2, 2026).
- The Board of Trustees of the University of Illinois1,150 clinicians in the group
- St Joseph Dermatology and Vein Clinic PLLC4 clinicians in the group
- University Dermatology and Vein Clinic LLC4 clinicians in the group
- Michigan City Dermatology and Vein Clinic LLC2 clinicians in the group
Specialties
- Dermatologyprimary
Other dermatologists in Indiana
Clinicians with the same Medicare primary specialty in Indiana — not a recommendation.
Other clinicians in The Board of Trustees of the University of Illinois
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Rush Medical College Of Rush University |
| Graduation year | 2001 (25 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1194838045 |
| 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