Vasilios Theodoros Diamantopoulos, M.D.
Emergency Medicine Physician · Westfield, NJ
Vasilios Theodoros Diamantopoulos, M.D. is an emergency medicine physician with a practice address in Westfield, New Jersey, and NPI 1184718371, issued on Oct 3, 2006. Check the license (New Jersey 25MA06113100, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Vasilios Theodoros Diamantopoulos
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 25MA06113100 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 1018 Boynton Ave, Westfield, NJ 07090
- Phone
- (908) 518-1593
- Enumerated
- Oct 3, 2006
- Record last updated
- Nov 16, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (973) 989-3092
- Medicaid ID
- 7046502 NJ
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,754 in New Jersey → Look up another NPI →
Verify Vasilios Theodoros Diamantopoulos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license 25MA06113100Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average emergency medicine physician in 2024
52 Medicare Part D claims for 36 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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.
Vasilios Theodoros Diamantopoulos among 1,754 emergency medicine physician records in New Jersey
Vasilios Theodoros Diamantopoulos, M.D. is one of 1,754 emergency medicine physician records with a practice address in New Jersey. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 61% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 67% of these records are
- Record last updated2007 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in New Jersey
There are 1,754 emergency medicine physician records in New Jersey.
All 1,754 in New Jersey → Every provider in Westfield → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Nora Mustafa, DOWestfield, NJ 070901235753989
- Harvey Rosen, M.D.Westfield, NJ 070901003865742
- Ashley Cox, MDUnion City, NJ 070871497244271
- Anthony Forestine, M.D.Union City, NJ 070871609806645
- James Mitchell, MDUnion City, NJ 070871356387062
- Jayminkumar Patel, M.D.West New York, NJ 070931548354327
- Thomas Bates, D.O.Secaucus, NJ 070941447667423
- Santiago Enriquez, MDSecaucus, NJ 070941790722429
Common questions
What is Vasilios Theodoros Diamantopoulos, M.D.'s NPI number?
Vasilios Theodoros Diamantopoulos, M.D.'s National Provider Identifier (NPI) is 1184718371, issued on Oct 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Vasilios Theodoros Diamantopoulos, M.D. located?
The NPPES record lists a practice address at 1018 Boynton Ave, Westfield, NJ, 07090. Phone: (908) 518-1593. Providers update this record themselves, so call before visiting.
How can I verify Vasilios Theodoros Diamantopoulos, M.D.'s license?
NPPES lists New Jersey license number 25MA06113100, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Vasilios Theodoros Diamantopoulos, M.D. prescribe under Medicare Part D?
In 2024, Vasilios Theodoros Diamantopoulos, M.D. had 52 Medicare Part D claims for 36 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.