Gastrointestinal Specialist of Long Island, P.C.
NPI 1538242565 · Specialist · Wantagh, NY
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gastrointestinal Specialist of Long Island, P.C. is a Specialist organization in Wantagh, NY (NPI 1538242565).
Provider details
- NPI number
- 1538242565
- Entity type
- Organization
- Primary specialty
- SpecialistOther Service Providers
- Organization subpart
- No
- Authorized official
- Arthur Boshnack, Owner/President(516) 785-8075
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-10-23
- Last updated
- 2008-02-21
Frequently asked questions
- What is Gastrointestinal Specialist of Long Island, P.C.'s NPI number?
- Gastrointestinal Specialist of Long Island, P.C.'s National Provider Identifier (NPI) is 1538242565, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Gastrointestinal Specialist of Long Island, P.C.?
- Gastrointestinal Specialist of Long Island, P.C. is classified in the NPPES registry as Specialist (Other Service Providers).
- Where is Gastrointestinal Specialist of Long Island, P.C. located?
- Gastrointestinal Specialist of Long Island, P.C.'s practice location on file with NPPES is 3019 Merrick Rd, Wantagh, NY 11793-4329.
- What is Gastrointestinal Specialist of Long Island, P.C.'s phone number?
- The practice phone number listed in the NPPES registry for Gastrointestinal Specialist of Long Island, P.C. is (516) 785-8075.
- Does Gastrointestinal Specialist of Long Island, P.C. accept Medicare?
- Gastrointestinal Specialist of Long Island, P.C. 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 Gastrointestinal Specialist of Long Island, P.C.?
- The authorized official listed on Gastrointestinal Specialist of Long Island, P.C.'s NPPES record is Arthur Boshnack, Owner/President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Gastrointestinal Specialist of Long Island, P.C.'s NPI active?
- Yes — Gastrointestinal Specialist of Long Island, P.C.'s NPI (1538242565) is active in the NPPES registry as of the last update on 2008-02-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.