DR. TIMOTHY J OCONNELL (MD) – Diagnostic Radiology Physician, NPI 1194766618
Diagnostic Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,121 DIAGNOSTIC RADIOLOGY in IL
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Provider Addresses for DR. TIMOTHY J OCONNELL (MD)
201, Norfolk Avenue, Clarendon Hills, DuPage County, Illinois, 60514, United States
CLARENDON HILLS, IL 605141146
Phone: (312) 318-9827
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: 2005-01-11
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 |
|---|---|---|---|---|
| I20050111000410 | I | Diagnostic Radiology | 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 |
|---|---|---|---|---|
| 71045 | X-ray of chest, 1 view | 523 | 491 | $0 |
| 70450 | Ct scan head or brain without contrast | 320 | 313 | $0 |
| 74177 | Ct scan of abdomen and pelvis with contrast | 131 | 130 | $0 |
| 74176 | Ct scan of abdomen and pelvis without contrast | 94 | 93 | $0 |
| 71275 | Ct scan of blood vessels of chest with contrast | 91 | 90 | $0 |
Insurance plans in this area (ZIP 60514)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DIAGNOSTIC RADIOLOGY | IL | 71010 | X-ray of chest, 1 view, front | 656 | 568 |
| DIAGNOSTIC RADIOLOGY | IL | 71250 | CT scan chest | 48 | 48 |
| DIAGNOSTIC RADIOLOGY | IL | 73110 | X-ray of wrist, minimum of 3 views | 21 | 19 |
| DIAGNOSTIC RADIOLOGY | IL | 73562 | X-ray of knee, 3 views | 19 | 15 |
| DIAGNOSTIC RADIOLOGY | IL | 74177 | CT scan of abdomen and pelvis with contrast | 13 | 13 |
| DIAGNOSTIC RADIOLOGY | IL | 93971 | Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers | 73 | 71 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Diagnostic Radiology | IL | |
| Diagnostic Radiology, Interventional Radiology | IL | |
| Diagnostic Radiology, Interventional Radiology | IL | |
| Diagnostic Radiology | IL | |
| Diagnostic Radiology | IL | |
| Diagnostic Radiology, Interventional Radiology | IL | |
| Diagnostic Radiology | CA | |
| Diagnostic Radiology, Interventional Radiology | IL | |
| Diagnostic Radiology | IL | |
| Diagnostic Radiology | IL |
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