DR. WILLIAM KEENAN (M.D.) – Diagnostic Radiology Physician, NPI 1366547259
Diagnostic Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,121 DIAGNOSTIC RADIOLOGY in IL
Loading map...
Provider Addresses for DR. WILLIAM KEENAN (M.D.)
Woodstock Post Office, 2, Woodstock Meadows Lane, Town of Woodstock, Ulster County, New York, 12498, United States
WOODSTOCK, IL 600981690
Phone: (815) 337-1466
Fax: (815) 337-1721
Type: Mailing
Hoffman Estates, Prairie Stone Parkway, Hoffman Estates, Barrington Township, Cook County, Illinois, 60179, United States
HOFFMAN ESTATES, IL 601941019
Phone: (847) 843-2000
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
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: 2010-07-19
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 |
|---|---|---|---|---|
| I20100719000669 | 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 | 583 | 510 | $0 |
| 70450 | Ct scan head or brain without contrast | 236 | 226 | $0 |
| 74176 | Ct scan of abdomen and pelvis without contrast | 142 | 136 | $0 |
| 70551 | Mri scan of brain without contrast | 126 | 118 | $0 |
| 70553 | Mri scan of brain before and after contrast | 121 | 118 | $0 |
Insurance plans in this area (ZIP 60098)
Loading plans...
Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DIAGNOSTIC RADIOLOGY | IL | 73110 | X-ray of wrist, minimum of 3 views | 15 | 13 |
| DIAGNOSTIC RADIOLOGY | IL | 93922 | Ultrasound study of arteries of both arms and legs | 14 | 14 |
| DIAGNOSTIC RADIOLOGY | IL | 93971 | Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers | 72 | 72 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | ARMED FORCES EUROPE | |
| Family Practice | IL | |
| - | IL | |
| Geriatric Medicine, Internal Medicine | IL | |
| Internal Medicine | IL | |
| Geriatric Medicine, Family Practice | IL | |
| Hospitalist, Internal Medicine | IL | |
| N E U R O L O G Y | IL | |
| - | IL | |
| Internal Medicine | IL |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.