Matthew Diament, M.D.
NPI 1679527311 · Diagnostic Radiology Physician · Hewlett, NY
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Diament, M.D. is a Diagnostic Radiology Physician provider in Hewlett, NY (NPI 1679527311).
Provider details
- NPI number
- 1679527311
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 239328 (NY)
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
20 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
2,348 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) |
|---|---|---|
| Ct Scan Head Or Brain Without Contrast70450 | 811 | $42 |
| Ct Scan of Blood Vessels of Head With Contrast70496 | 257 | $90 |
| Ct Scan of Blood Vessels of Neck With Contrast70498 | 255 | $85 |
| Ct Scan of Upper Spine Without Contrast72125 | 211 | $51 |
| Mri Scan of Brain Without Contrast70551 | 142 | $76 |
| Mri Scan of Brain Before and After Contrast70553 | 81 | $181 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-19
- Last updated
- 2015-10-20
Frequently asked questions
- What is Matthew Diament's NPI number?
- Matthew Diament's National Provider Identifier (NPI) is 1679527311, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Diament's specialty?
- Matthew Diament is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Diament located?
- Matthew Diament's practice location on file with NPPES is 227 Franklin Ave, Hewlett, NY 11557-1902.
- What is Matthew Diament's phone number?
- The practice phone number listed in the NPPES registry for Matthew Diament is (516) 295-5500.
- Does Matthew Diament accept Medicare?
- Matthew Diament is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Diament's NPI active?
- Yes — Matthew Diament's NPI (1679527311) is active in the NPPES registry as of the last update on 2015-10-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.