Svc of Mastic LLC
NPI 1831708353 · Optometrist · Mastic, NY
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Svc of Mastic LLC is a Optometrist organization in Mastic, NY (NPI 1831708353).
Provider details
- NPI number
- 1831708353
- Entity type
- Organization
- Primary specialty
- OptometristEye and Vision Services Providers
- Organization subpart
- No
- Authorized official
- Jeffrey Williams, Authorized Official/Owner(631) 442-2442
Specialties & taxonomies
Eye and Vision Services Providers
- Eyewear Supplier332H00000X
Suppliers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 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
- 2020-07-30
- Last updated
- 2020-12-03
- Certified
- 2020-12-01
Frequently asked questions
- What is Svc of Mastic LLC's NPI number?
- Svc of Mastic LLC's National Provider Identifier (NPI) is 1831708353, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Svc of Mastic LLC?
- Svc of Mastic LLC is classified in the NPPES registry as Optometrist (Eye and Vision Services Providers).
- Where is Svc of Mastic LLC located?
- Svc of Mastic LLC's practice location on file with NPPES is 1360 Montauk Hwy, Mastic, NY 11950-2929.
- What is Svc of Mastic LLC's phone number?
- The practice phone number listed in the NPPES registry for Svc of Mastic LLC is (631) 727-2858.
- Does Svc of Mastic LLC accept Medicare?
- Svc of Mastic LLC 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 Svc of Mastic LLC?
- The authorized official listed on Svc of Mastic LLC's NPPES record is Jeffrey Williams, Authorized Official/Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Svc of Mastic LLC's NPI active?
- Yes — Svc of Mastic LLC's NPI (1831708353) is active in the NPPES registry as of the last update on 2020-12-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.