Southwest Nassau Radiology, PC
NPI 1285924514 · Diagnostic Radiology Physician · Valley Stream, NY
Southwest Nassau Radiology, PC is a Diagnostic Radiology Physician organization in Valley Stream, NY (NPI 1285924514).
Provider details
- NPI number
- 1285924514
- Entity type
- Organization
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- John Himelfarb, Radiologist(516) 825-6500
- License
- 168462 (NY)
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
15 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
- 2011-04-07
- Last updated
- 2011-04-13
Frequently asked questions
- What is Southwest Nassau Radiology, PC's NPI number?
- Southwest Nassau Radiology, PC's National Provider Identifier (NPI) is 1285924514, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Southwest Nassau Radiology, PC?
- Southwest Nassau Radiology, PC is classified in the NPPES registry as Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Southwest Nassau Radiology, PC located?
- Southwest Nassau Radiology, PC's practice location on file with NPPES is 147 E Merrick Rd, Valley Stream, NY 11580-5981.
- What is Southwest Nassau Radiology, PC's phone number?
- The practice phone number listed in the NPPES registry for Southwest Nassau Radiology, PC is (516) 825-6500.
- Who is the authorized official for Southwest Nassau Radiology, PC?
- The authorized official listed on Southwest Nassau Radiology, PC's NPPES record is John Himelfarb, Radiologist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Southwest Nassau Radiology, PC's NPI active?
- Yes — Southwest Nassau Radiology, PC's NPI (1285924514) is active in the NPPES registry as of the last update on 2011-04-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.