VASSILIOS A. DIMITROPOULOS (M.D.) – Dermatology Physician, NPI 1194838045
Dermatology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
703 DERMATOLOGY in IL
Provider Addresses for VASSILIOS A. DIMITROPOULOS (M.D.)
4700 N Marine Dr Ste 220
Chicago, IL 606407972
Phone: (773) 334-3376
Type: Location
4605 Golf Rd
Skokie, IL 600761209
Phone: (847) 679-5199
Type: Location
8110 Cass Ave
Darien, IL 605615013
Phone: (630) 920-1900
Type: Location
2570 Niles Rd
Saint Joseph, MI 490853203
Phone: (269) 428-5190
Fax: (269) 428-5199
Type: Location
745, South Park Avenue, Hinsdale, DuPage County, Illinois, 60521, United States
HINSDALE, IL 605214645
Phone: (630) 920-1900
Fax: (630) 920-1901
Type: Mailing
Franciscan Health Woodland Cancer Care Center Michigan City, 8955, West 400 North, Michigan City, LaPorte County, Indiana, 46360, United States
MICHIGAN CITY, IN 463609470
Phone: (773) 351-2862
Fax: (773) 358-2767
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 5 Open Payments records for all available years, with a total value of $121.
Total Amount is formed as General ($121) + Research ($0) + Ownership ($0) = $121.
Last reported payment date: 2024-08-21 • Largest payer in this snapshot: ABBVIE INC. ($74).
Total Amount
$121
General + Research + Ownership
Payments
5
Total payment records
General Amount
$121
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-08-21
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $74 |
| Merz North America, Inc. | $31 |
| PFIZER INC. | $15 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2020-11-03
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20050811000481 | I | Dermatology | IL | TBD |
| I20070914000661 | I | Dermatology | MI | TBD |
| I20201103002496 | I | Dermatology | IN | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 17003 | Destruction of precancer skin growth, 2-14 growths | 3,128 | 576 | $0 |
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | 3,046 | 966 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 2,672 | 1,597 | $0 |
| 17000 | Destruction of precancer skin growth, 1 growth | 1,003 | 799 | $0 |
| 11102 | Biopsy of related skin growth, first growth | 596 | 519 | $0 |
Insurance plans in this area (ZIP 60640)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DERMATOLOGY | MI | 11101 | Biopsy of each additional growth of skin and/or tissue | 101 | 70 |
| DERMATOLOGY | MI | 13132 | Repair of wound (2.6 to 7.5 centimeters) of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, and/or feet | 27 | 26 |
| DERMATOLOGY | MI | 88304 | Pathology examination of tissue using a microscope, moderately low complexity | 20 | 13 |
| DERMATOLOGY | MI | 88312 | Special stained specimen slides to identify organisms including interpretation and report | 16 | 13 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IL | |
| D E R M A T O L O G Y | IL | |
| Physician Assistant | MI |
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