Demeterio & Nejatheim MD PC
NPI 1376810424 · Diagnostic Radiology Physician · Valley Stream, NY
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Demeterio & Nejatheim MD PC is a Diagnostic Radiology Physician organization in Valley Stream, NY (NPI 1376810424).
Provider details
- NPI number
- 1376810424
- Entity type
- Organization
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Irene Nejatheim, Office Manager(516) 825-1667
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-11-17
- Last updated
- 2011-11-17
Frequently asked questions
- What is Demeterio & Nejatheim MD PC's NPI number?
- Demeterio & Nejatheim MD PC's National Provider Identifier (NPI) is 1376810424, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Demeterio & Nejatheim MD PC?
- Demeterio & Nejatheim MD PC is classified in the NPPES registry as Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Demeterio & Nejatheim MD PC located?
- Demeterio & Nejatheim MD PC's practice location on file with NPPES is 265 E Merrick Rd, Valley Stream, NY 11580-6004.
- What is Demeterio & Nejatheim MD PC's phone number?
- The practice phone number listed in the NPPES registry for Demeterio & Nejatheim MD PC is (516) 825-1667.
- Does Demeterio & Nejatheim MD PC accept Medicare?
- Demeterio & Nejatheim MD PC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Demeterio & Nejatheim MD PC?
- The authorized official listed on Demeterio & Nejatheim MD PC's NPPES record is Irene Nejatheim, Office Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Demeterio & Nejatheim MD PC's NPI active?
- Yes — Demeterio & Nejatheim MD PC's NPI (1376810424) is active in the NPPES registry as of the last update on 2011-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.