Colon and Rectal Surgeons of Long Island, P.C.
NPI 1114165909 · Colon & Rectal Surgery Physician · East Setauket, NY
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Colon and Rectal Surgeons of Long Island, P.C. is a Colon & Rectal Surgery Physician organization in East Setauket, NY (NPI 1114165909).
Provider details
- NPI number
- 1114165909
- Entity type
- Organization
- Primary specialty
- Colon & Rectal Surgery PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Arnold Leiboff, President(631) 689-2600
- License
- 142014 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
- 2009-02-02
- Last updated
- 2009-02-02
Frequently asked questions
- What is Colon and Rectal Surgeons of Long Island, P.C.'s NPI number?
- Colon and Rectal Surgeons of Long Island, P.C.'s National Provider Identifier (NPI) is 1114165909, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Colon and Rectal Surgeons of Long Island, P.C.?
- Colon and Rectal Surgeons of Long Island, P.C. is classified in the NPPES registry as Colon & Rectal Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Colon and Rectal Surgeons of Long Island, P.C. located?
- Colon and Rectal Surgeons of Long Island, P.C.'s practice location on file with NPPES is 3400 Nesconset Hwy, East Setauket, NY 11733-3327.
- What is Colon and Rectal Surgeons of Long Island, P.C.'s phone number?
- The practice phone number listed in the NPPES registry for Colon and Rectal Surgeons of Long Island, P.C. is (631) 689-2600.
- Does Colon and Rectal Surgeons of Long Island, P.C. accept Medicare?
- Colon and Rectal Surgeons 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 Colon and Rectal Surgeons of Long Island, P.C.?
- The authorized official listed on Colon and Rectal Surgeons of Long Island, P.C.'s NPPES record is Arnold Leiboff, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Colon and Rectal Surgeons of Long Island, P.C.'s NPI active?
- Yes — Colon and Rectal Surgeons of Long Island, P.C.'s NPI (1114165909) is active in the NPPES registry as of the last update on 2009-02-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.