STAMATIS DIMITROPOULOS (M.D.) – Internal Medicine Physician, NPI 1417122599
Internal Medicine Physician
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Profile Insights
NPPES metrics only — not quality of care.
8,828 INTERNAL MEDICINE in IL
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Provider Addresses for STAMATIS DIMITROPOULOS (M.D.)
South Cass Avenue, Darien, DuPage County, Illinois, 60559, United States
DARIEN, IL 605615013
Phone: (630) 963-4000
Fax: (630) 920-1901
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2012-03-30
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20090908000381 | I | Internal Medicine | IL | TBD |
| I20120330000559 | I | Internal Medicine | MI | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 658 | 147 | $0 |
| 93926 | Ultrasound of one leg arteries or artery grafts | 537 | 122 | $0 |
| 36471 | Injection of chemical agent into multiple incompetent veins of leg | 339 | 113 | $0 |
| 76942 | Ultrasonic guidance for needle placement | 336 | 112 | $0 |
| 93971 | Ultrasound study of one arm or leg veins with compression and maneuvers | 276 | 103 | $0 |
Insurance plans in this area (ZIP 60561)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | IL | 76942 | Ultrasonic guidance imaging supervision and interpretation for insertion of needle | 145 | 112 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | MI | |
| D E R M A T O L O G Y | IL | |
| Nurse Practitioner | MI |
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