William Spyros Vintzileos
Gynecologic Oncology Physician · Dallas, TX
William Spyros Vintzileos is a gynecologic oncology physician with a practice address in Dallas, Texas, and NPI 1841795960, issued on Mar 29, 2018. Check the license (Texas T4284, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- William Spyros Vintzileos
- Primary taxonomy
- Gynecologic Oncology Physician 207VX0201X
- License number
- T4284 TX
Self-reported in NPPES; status is on the state search - Practice location
- 5323 Harry Hines Blvd, Dallas, TX 75390
- Phone
- (214) 648-7260
- Enumerated
- Mar 29, 2018
- Record last updated
- Jun 23, 2022
- Medicare enrollment
- Enrolled (PECOS I20251009004874); may accept Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 2018
- Entity
- Type 1 · individual
8 nearest gynecologic oncology physician records → All 149 in Texas → Look up another NPI →
Also registered at 5323 Harry Hines Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mina Abbassi-Ghanavati, MDObstetrics & Gynecology Physician1154509610
- Abier Abdelnaby, M.D.Colon & Rectal Surgery Physician1831312503
- Ahmed AbdiStudent in an Organized Health Care Education/Training Program1952095184
Verify William Spyros Vintzileos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license T4284Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% fewer Medicare Part D claims than the average gynecologic oncology physician in 2024
71 Medicare Part D claims for 33 beneficiaries, against an average of 195 among the 1,475 providers of this specialty who prescribed in Part D. 42 claims were for opioids.
Most prescribed
- Oxycodone Hcl29 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $539.17
6 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 1,199 providers of this specialty with any payment received $6,387.20 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
William Spyros Vintzileos among 149 gynecologic oncology physician records in Texas
William Spyros Vintzileos is one of 149 gynecologic oncology physician records with a practice address in Texas. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 92% of them.
- NPI issued2018 · 92% of these records are older, 3% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated2018 · median 2006 among the 119 with a school on file
- Record last updated2022 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VX0201X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gynecologic Oncology Physician providers in Texas
There are 149 gynecologic oncology physician records in Texas.
All 149 in Texas → Every provider in Dallas → Gynecologic Oncology Physician nationwide →
The 8 gynecologic oncology physician records with the nearest ZIP codes
- Lesley Conrad, M.D.Dallas, TX 753901053554527
- Jayanthi Lea, MDDallas, TX 753901912963497
- David Miller, MDDallas, TX 753901568429934
- Risha SinhaDallas, TX 753901740784529
- Elizabeth Stock, M.D.Dallas, TX 753901104274695
- Christopher Walker, M.D.Dallas, TX 753901942733605
- Thomas Heffernan, MDDallas, TX 752511326148651
- Alan Munoz, M.D.Dallas, TX 752511205865524
Common questions
What is William Spyros Vintzileos's NPI number?
William Spyros Vintzileos's National Provider Identifier (NPI) is 1841795960, issued on Mar 29, 2018. An NPI identifies a provider in billing; it is not a license.
Where is William Spyros Vintzileos located?
The NPPES record lists a practice address at 5323 Harry Hines Blvd, Dallas, TX, 75390. Phone: (214) 648-7260. Providers update this record themselves, so call before visiting.
How can I verify William Spyros Vintzileos's license?
NPPES lists Texas license number T4284, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Spyros Vintzileos prescribe under Medicare Part D?
In 2024, William Spyros Vintzileos had 71 Medicare Part D claims for 33 beneficiaries; the average among gynecologic oncology physician prescribers was 195. Part D covers Medicare prescriptions only.
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.