KEVIN O'BRIEN (MD) – Diagnostic Radiology Physician, NPI 1346686474
Diagnostic Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,121 DIAGNOSTIC RADIOLOGY in IL
Provider Addresses for KEVIN O'BRIEN (MD)
7435 W TALCOTT AVE
CHICAGO, IL 606313707
Phone: (773) 792-5261
Type: Location
2650 RIDGE AVE.
DEPT. OF RADIOLOGY
EVANSTON, IL 602011718
Phone: (847) 570-2475
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $249.
Total Amount is formed as General ($249) + Research ($0) + Ownership ($0) = $249.
Last reported payment date: 2023-05-31 • Largest payer in this snapshot: Telix Pharmaceuticals ($249).
Total Amount
$249
General + Research + Ownership
Payments
2
Total payment records
General Amount
$249
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-05-31
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Telix Pharmaceuticals | $249 |
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: 2019-05-14
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 |
|---|---|---|---|---|
| I20190514000171 | I | Diagnostic Radiology | 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 |
|---|---|---|---|---|
| 71045 | X-ray of chest, 1 view | 805 | 738 | $0 |
| 71046 | X-ray of chest, 2 views | 449 | 443 | $0 |
| 70450 | Ct scan head or brain without contrast | 233 | 229 | $0 |
| 74177 | Ct scan of abdomen and pelvis with contrast | 215 | 212 | $0 |
| 73564 | X-ray of knee, 4 or more views | 170 | 149 | $0 |
Insurance plans in this area (ZIP 60631)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IN | |
| Diagnostic Radiology | IN | |
| Diagnostic Radiology | MN | |
| Diagnostic Radiology | IN | |
| Diagnostic Radiology, Interventional Radiology, Nuclear Medicine | IN | |
| Diagnostic Radiology | IN | |
| Diagnostic Radiology | IN | |
| Diagnostic Radiology | IN | |
| - | IN | |
| Diagnostic Radiology, Interventional Radiology | IN |
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