Vasilios Diamantopoulos, M.D.
NPI 1184718371 · Emergency Medicine Physician · Westfield, NJ
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Vasilios Diamantopoulos, M.D. is a Emergency Medicine Physician provider in Westfield, NJ (NPI 1184718371).
Provider details
- NPI number
- 1184718371
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 25MA06113100 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
290 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 89 | $9 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 89 | $183 |
| Critical Care, First 30-74 Minutes99291 | 65 | $224 |
| X-Ray of Chest, 1 View71045 | 18 | $9 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 16 | $127 |
| Electrocardiogram (ecg) 1 to 3 Leads With Review By Physician Only93042 | 13 | $7 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-03
- Last updated
- 2007-11-16
Frequently asked questions
- What is Vasilios Diamantopoulos's NPI number?
- Vasilios Diamantopoulos's National Provider Identifier (NPI) is 1184718371, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Vasilios Diamantopoulos's specialty?
- Vasilios Diamantopoulos is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Vasilios Diamantopoulos located?
- Vasilios Diamantopoulos's practice location on file with NPPES is 1018 Boynton Ave, Westfield, NJ 07090-1692.
- What is Vasilios Diamantopoulos's phone number?
- The practice phone number listed in the NPPES registry for Vasilios Diamantopoulos is (908) 518-1593.
- Does Vasilios Diamantopoulos accept Medicare?
- Vasilios Diamantopoulos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Vasilios Diamantopoulos's NPI active?
- Yes — Vasilios Diamantopoulos's NPI (1184718371) is active in the NPPES registry as of the last update on 2007-11-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.