Christos Eugene Vassiliou, DO
NPI 1053567784ActiveIndividual· Radiology, Diagnostic Radiology· Tulsa, OK
Radiology, Diagnostic Radiology (DO) with Cherokee Nation and 11 other groups, practicing in Tulsa, Oklahoma. Medicare paid $82,535 for services to 2,151 patients in 2024. Lists Cherokee Nation W W Hastings Indian Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1053567784 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Aug 13, 2008 |
| Last updated in NPPES | Aug 16, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Diagnostic Radiology Primary | 2085R0202X | 4441 | OK |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Diagnostic Radiology (NM); Practitioner - Diagnostic Radiology (OK); Practitioner - Diagnostic Radiology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 2,151 |
|---|---|
| Services billed | 3,438 across 162 procedure codes |
| Paid by Medicare | $82,535 |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Diagnostic Radiology |
Medical groups
- Cherokee NationTahlequah, OK · 449 clinicians
- Creek Nation Hospital and ClinicsOkmulgee, OK · 365 clinicians
- Choctaw Nation of OklahomaMcAlester, OK · 267 clinicians
- Lawton Indian HospitalLawton, OK · 128 clinicians
- Pawnee Indian Health CenterPawnee, OK · 88 clinicians
- Diagnostic Imaging Associates IncHouston, TX · 87 clinicians
- Clinton Indian Health CenterClinton, OK · 76 clinicians
- Albuquerque Indian Health CenterAlbuquerque, NM · 57 clinicians
- Anadarko Indian Health CenterAnadarko, OK · 48 clinicians
- Zuni Indian HospitalZuni, NM · 45 clinicians
- Wewoka Indian HealthWewoka, OK · 42 clinicians
- The Breast CenterLawton, OK · 12 clinicians
Hospital affiliations
- Cherokee Nation W W Hastings Indian HospitalTahlequah, OK
- Integris Health Enid HospitalEnid, OK
- Northeastern Health SystemTahlequah, OK
- Saint Francis Hospital MuskogeeMuskogee, OK
- St Mary's Regional Medical CenterEnid, OK
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 162 diagnostic radiologists in Tulsa · All diagnostic radiologists in Oklahoma