South Island Gastroenterology Associates PC
NPI 1043628282 · Gastroenterology Physician · Lawrence, NY
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
South Island Gastroenterology Associates PC is a Gastroenterology Physician organization in Lawrence, NY (NPI 1043628282).
Provider details
- NPI number
- 1043628282
- Entity type
- Organization
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Steven Kadish, Physician / Owner - Incorporator(516) 984-6472
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
11 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
- 2014-07-31
- Last updated
- 2014-07-31
Frequently asked questions
- What is South Island Gastroenterology Associates PC's NPI number?
- South Island Gastroenterology Associates PC's National Provider Identifier (NPI) is 1043628282, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is South Island Gastroenterology Associates PC?
- South Island Gastroenterology Associates PC is classified in the NPPES registry as Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is South Island Gastroenterology Associates PC located?
- South Island Gastroenterology Associates PC's practice location on file with NPPES is 141 Washington Ave, Lawrence, NY 11559-1669.
- What is South Island Gastroenterology Associates PC's phone number?
- The practice phone number listed in the NPPES registry for South Island Gastroenterology Associates PC is (516) 650-4604.
- Does South Island Gastroenterology Associates PC accept Medicare?
- South Island Gastroenterology Associates 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 South Island Gastroenterology Associates PC?
- The authorized official listed on South Island Gastroenterology Associates PC's NPPES record is Steven Kadish, Physician / Owner - Incorporator. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is South Island Gastroenterology Associates PC's NPI active?
- Yes — South Island Gastroenterology Associates PC's NPI (1043628282) is active in the NPPES registry as of the last update on 2014-07-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.