COLON AND RECTAL SURGEONS OF LONG ISLAND, P.C.
NPI 1114165909
Colon & Rectal Surgery in East Setauket, NY
About Colon And Rectal Surgeons Of Long Island, P.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
COLON AND RECTAL SURGEONS OF LONG ISLAND, P.C. (NPI 1114165909) is a healthcare organization registered as a colon & rectal surgery in East Setauket, New York and active in the NPI registry since February 2009. The organization lists Arnold R Leiboff, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 2
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Colon And Rectal Surgeons Of Long Island, P.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Colon And Rectal Surgeons Of Long Island, P.C., which bills Medicare for the services this clinician delivers.
Clinician (1)
East Setauket, NY 11733
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Colon And Rectal Surgeons Of Long Island, P.C.'s NPI number?
The NPI number for Colon And Rectal Surgeons Of Long Island, P.C. is 1114165909. It was assigned to this organization in the NPPES registry on February 2, 2009.
Where is Colon And Rectal Surgeons Of Long Island, P.C. located?
Colon And Rectal Surgeons Of Long Island, P.C. is located at 3400 Nesconset Hwy Suite 100, East Setauket, NY 11733. The listed phone number is (631) 689-2600.
What is Colon And Rectal Surgeons Of Long Island, P.C.'s specialty?
The primary specialty registered for this NPI is Colon & Rectal Surgery with taxonomy code 208C00000X.
Is Colon And Rectal Surgeons Of Long Island, P.C. enrolled in Medicare?
Yes. Colon And Rectal Surgeons Of Long Island, P.C. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Colon And Rectal Surgeons Of Long Island, P.C.?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Colorectal Surgery (Proctology)) reassigns their Medicare billing to Colon And Rectal Surgeons Of Long Island, P.C.. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Colon And Rectal Surgeons Of Long Island, P.C. was last updated on February 2, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Colon And Rectal Surgeons Of Long Island, P.c. · NPI 1114165909
Colon & Rectal Surgery organization in East Setauket, New York. Organization record, active in the CMS NPPES registry since February 2, 2009.
## Identity
- **NPI:** 1114165909 (Entity type: Organization)
- **Enumerated:** February 2, 2009
- **Primary specialty:** Colon & Rectal Surgery · taxonomy 208C00000X
- **Organization subpart:** No
- **Authorized official:** Arnold Leiboff, PRESIDENT
## Practice location
- **Address:** 3400 NESCONSET HWY, SUITE 100, East Setauket, NY 11733-3327
- **Phone:** (631) 689-2600 · **Fax:** (631) 689-2943
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Colorectal Surgery (Proctology)) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 2, 2009
- **Other identifiers:** Medicare PIN 27F472 (NY); Medicare UPIN E17722 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1114165909) · Data from the CMS NPPES public registry.