DR. WILLIAM WESLEY THEODOROU (M.D.) – Diagnostic Radiology Physician, NPI 1063686624
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 DR. WILLIAM WESLEY THEODOROU (M.D.)
Rush University Medical Center, 1653, West Congress Parkway, Near West Side, Illinois Medical District, Chicago, Illinois Medical District, Illinois, 60612, United States
CHICAGO, IL 606123833
Phone: (312) 942-5495
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.
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: 2025-08-12
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 5 Medicare enrollment records; no due dates published yet.
Enrollment records
5
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 |
|---|---|---|---|---|
| I20130710000296 | I | Diagnostic Radiology | CA | TBD |
| I20181015001752 | I | Diagnostic Radiology | IN | TBD |
| I20230307001901 | I | Diagnostic Radiology | MT | TBD |
| I20231013001041 | I | Diagnostic Radiology | WY | TBD |
| I20250812004360 | I | Diagnostic Radiology | AZ | 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 | 173 | 172 | $0 |
| 77063 | Screening 3d breast mammography | 150 | 150 | $0 |
| 77067 | Screening mammography | 148 | 148 | $0 |
| 77080 | Dxa bone density measurement of hip, pelvis, spine | 103 | 103 | $0 |
| 70450 | Ct scan head or brain without contrast | 60 | 60 | $0 |
Insurance plans in this area (ZIP 60612)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DIAGNOSTIC RADIOLOGY | IL | 73562 | X-ray of knee, 3 views | 15 | 12 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | ID | |
| Diagnostic Radiology | ME | |
| Diagnostic Radiology | TX | |
| Physician Assistant | ID | |
| Diagnostic Radiology | TX | |
| Diagnostic Radiology | WA | |
| - | VA | |
| Diagnostic Radiology | AZ | |
| Diagnostic Radiology | MN | |
| Diagnostic Radiology, Interventional Radiology | ID |
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