Christos Eugene Vassiliou, DO
Diagnostic Radiology Physician · Tulsa, OK
Christos Eugene Vassiliou, DO is a diagnostic radiology physician with a practice address in Tulsa, Oklahoma, and NPI 1053567784, issued on Aug 13, 2008. Check the license (Oklahoma 4441, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Christos Eugene Vassiliou
- Credential
- DO
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- 4441 OK
Self-reported in NPPES; status is on the state search - Practice location
- 4500 S Garnett RD, Tulsa, OK 74146
- Phone
- (918) 728-6194
- Enumerated
- Aug 13, 2008
- Record last updated
- Aug 16, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (918) 664-2521
- Medicaid ID
- 200225690A OK
- Medicare enrollment
- Enrolled (PECOS I20100719000117); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 404 in Oklahoma → Look up another NPI →
Also registered at 4500 S Garnett RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Joel Blackwood, RPARadiology Practitioner Assistant1821233420
- Marcus Brown, M.D.Diagnostic Radiology Physician1275776965
- David Carlston, PHDPsychologist1588824759
Verify Christos Eugene Vassiliou in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
Search for license 4441Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12 hospitals and group practices
- Albuquerque Indian Health CenterAlbuquerque, NM
- Anadarko Indian Health CenterAnadarko, OK
- Cherokee NationTahlequah, OK
- Choctaw Nation OF OklahomaTalihina, OK
- Clinton Indian Health CenterClinton, OK
- Creek Nation Hospital And ClinicsTulsa, OK
- Diagnostic Imaging Associates IncJenks, OK
- Lawton Indian HospitalLawton, OK · Acute Care Hospitals
- Pawnee Indian Health CenterPawnee, OK
- The Breast CenterLawton, OK
- Wewoka Indian HealthWewoka, OK
- Zuni Indian HospitalZuni, NM
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).
Christos Eugene Vassiliou among 404 diagnostic radiology physician records in Oklahoma
Christos Eugene Vassiliou, DO is one of 404 diagnostic radiology physician records with a practice address in Oklahoma. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 63% of them.
- NPI issued2008 · 63% of these records are older, 33% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2005 · median 2004 among the 254 with a school on file
- Record last updated2010 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Diagnostic Radiology Physician providers in Oklahoma
There are 404 diagnostic radiology physician records in Oklahoma.
All 404 in Oklahoma → Every provider in Tulsa → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Carole Dentino, MDTulsa, OK 741461689652869
- Eugenio Erquiaga, M.D.Tulsa, OK 741461528005048
- Michael Golden, MDTulsa, OK 741461952527012
- Carolyn Handel, M.D.Tulsa, OK 741461922162957
- Nina Jones, MDTulsa, OK 741461003877754
- Vaughn Marshall, MDTulsa, OK 741461497711436
- Ralph Noah, M.D.Tulsa, OK 741461669458741
- Michelle Ponder, M.D.Tulsa, OK 741461447399415
Common questions
What is Christos Eugene Vassiliou, DO's NPI number?
Christos Eugene Vassiliou, DO's National Provider Identifier (NPI) is 1053567784, issued on Aug 13, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Christos Eugene Vassiliou, DO located?
The NPPES record lists a practice address at 4500 S Garnett RD, Tulsa, OK, 74146. Phone: (918) 728-6194. Providers update this record themselves, so call before visiting.
How can I verify Christos Eugene Vassiliou, DO's license?
NPPES lists Oklahoma license number 4441, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.