Nassau Suffolk Medical PLLC
NPI 1679450829 · Family Medicine Physician · West Islip, NY
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nassau Suffolk Medical PLLC is a Family Medicine Physician organization in West Islip, NY (NPI 1679450829).
Provider details
- NPI number
- 1679450829
- Entity type
- Organization
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Justin Schwartz, Owner(631) 478-4388
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
Under 1 yr in 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
- 2025-08-19
- Last updated
- 2025-08-19
- Certified
- 2025-08-19
Frequently asked questions
- What is Nassau Suffolk Medical PLLC's NPI number?
- Nassau Suffolk Medical PLLC's National Provider Identifier (NPI) is 1679450829, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Nassau Suffolk Medical PLLC?
- Nassau Suffolk Medical PLLC is classified in the NPPES registry as Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nassau Suffolk Medical PLLC located?
- Nassau Suffolk Medical PLLC's practice location on file with NPPES is 125 Sunrise Hwy, West Islip, NY 11795-2023.
- What is Nassau Suffolk Medical PLLC's phone number?
- The practice phone number listed in the NPPES registry for Nassau Suffolk Medical PLLC is (631) 983-4084.
- Does Nassau Suffolk Medical PLLC accept Medicare?
- Nassau Suffolk Medical PLLC 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 Nassau Suffolk Medical PLLC?
- The authorized official listed on Nassau Suffolk Medical PLLC's NPPES record is Justin Schwartz, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Nassau Suffolk Medical PLLC's NPI active?
- Yes — Nassau Suffolk Medical PLLC's NPI (1679450829) is active in the NPPES registry as of the last update on 2025-08-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.