DR. CHRISTOS EUGENE VASSILIOU (DO) – Diagnostic Radiology Physician, NPI 1053567784
Diagnostic Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
384 DIAGNOSTIC RADIOLOGY in OK
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Provider Addresses for DR. CHRISTOS EUGENE VASSILIOU (DO)
Dayco Products, 4500, South Garnett Road, Tulsa, Tulsa County, Oklahoma, 74146, United States
STE 300
TULSA, OK 741465229
Phone: (918) 728-6194
Fax: (918) 664-2521
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: 2020-01-29
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20100719000117 | I | Diagnostic Radiology | TX | TBD |
| I20101027001348 | I | Diagnostic Radiology | OK | TBD |
| I20200129001190 | I | Diagnostic Radiology | NM | 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 | 548 | 453 | $0 |
| 70450 | Ct scan head or brain without contrast | 166 | 165 | $0 |
| 71046 | X-ray of chest, 2 views | 150 | 148 | $0 |
| 77080 | Dxa bone density measurement of hip, pelvis, spine | 109 | 109 | $0 |
| 74177 | Ct scan of abdomen and pelvis with contrast | 94 | 94 | $0 |
Insurance plans in this area (ZIP 74146)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | OK | |
| - | OK | |
| - | OK | |
| Emergency Medicine | SC | |
| - | OK | |
| Family Practice | OK | |
| - | OK | |
| - | OK | |
| Internal Medicine, Hospice/Palliative Care | OK | |
| Emergency Medicine | OK |
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