HOWARD K. O'NEIL (M.D.) – Diagnostic Radiology Physician, NPI 1194701730
Diagnostic Radiology Physician
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Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,121 DIAGNOSTIC RADIOLOGY in IL
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Provider Addresses for HOWARD K. O'NEIL (M.D.)
520, East 22nd Street, Highland Hills, Lombard, DuPage County, Illinois, 60148, United States
LOMBARD, IL 601486110
Phone: (630) 874-2542
Fax: (630) 874-2642
Type: Mailing
Advocate Good Samaritan Hospital, 3815, Highland Avenue, Downers Grove, DuPage County, Illinois, 60515, United States
RADIOLOGY DEPARTMENT
DOWNERS GROVE, IL 605151500
Phone: (630) 275-5900
Type: Location
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: 2004-01-27
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 |
|---|---|---|---|---|
| I20040127000410 | 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 | 363 | 336 | $0 |
| 71046 | X-ray of chest, 2 views | 200 | 197 | $0 |
| 77080 | Dxa bone density measurement of hip, pelvis, spine | 191 | 191 | $0 |
| 70450 | Ct scan head or brain without contrast | 186 | 181 | $0 |
| 74177 | Ct scan of abdomen and pelvis with contrast | 93 | 90 | $0 |
Insurance plans in this area (ZIP 60148)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DIAGNOSTIC RADIOLOGY | IL | 71250 | CT scan chest | 60 | 59 |
| DIAGNOSTIC RADIOLOGY | IL | 73562 | X-ray of knee, 3 views | 40 | 33 |
| DIAGNOSTIC RADIOLOGY | IL | 73630 | X-ray of foot, minimum of 3 views | 24 | 23 |
| DIAGNOSTIC RADIOLOGY | IL | 74177 | CT scan of abdomen and pelvis with contrast | 56 | 55 |
| DIAGNOSTIC RADIOLOGY | IL | 76830 | Ultrasound pelvis through vagina | 21 | 21 |
| DIAGNOSTIC RADIOLOGY | IL | 93971 | Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers | 46 | 46 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Diagnostic Radiology, Interventional Radiology | IL | |
| Diagnostic Radiology | IL | |
| Diagnostic Radiology | IL | |
| Diagnostic Radiology, Interventional Radiology | IL | |
| Diagnostic Radiology | IL | |
| Diagnostic Radiology | IL | |
| Diagnostic Radiology | IL | |
| Diagnostic Radiology | IL | |
| Diagnostic Radiology | IL | |
| Diagnostic Radiology, Interventional Radiology | IL |
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