DR. DARIUS BARTKUS (M.D.) – Internal Medicine Physician, NPI 1093836629
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
8,824 INTERNAL MEDICINE in IL
Provider Addresses for DR. DARIUS BARTKUS (M.D.)
2113 W MCLEAN AVE
CHICAGO, IL 606474524
Phone: (773) 384-1103
Fax: (773) 384-1103
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.
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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: 2007-09-13
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
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 |
|---|---|---|---|---|
| I20070913000438 | I | Internal Medicine | IL | 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 |
|---|---|---|---|---|
| 99291 | Critical care, first 30-74 minutes | 66 | 62 | $0 |
| 76937 | Ultrasonic guidance for blood vessel access | 27 | 23 | $0 |
| 36620 | Insertion of artery tube for blood sampling or infusion through skin | 23 | 23 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 21 | 21 | $0 |
Insurance plans in this area (ZIP 60647)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | IL | 31500 | Emergent insertion of breathing tube into windpipe cartilage using an endoscope | 11 | 11 |
| INTERNAL MEDICINE | IL | 36620 | Insertion of arterial catheter for blood sampling or infusion, accessed through the skin | 16 | 16 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | IL | |
| Endocrinology, Internal Medicine | IL | |
| E N D O C R I N O L O G Y | IL | |
| P S Y C H I A T R Y | IL | |
| Family Practice | IL | |
| Internal Medicine | IL | |
| P S Y C H I A T R Y | TN | |
| O B S T E T R I C S/ G Y N E C O L O G Y | IL | |
| Internal Medicine | IL | |
| Family Practice | IL |
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