Endoscopy Center of Long Island LLC
NPI 1265574768 · Ambulatory Surgical Clinic/Center · Garden City, NY
Enrolled with Medicare as Part B Supplier - Ambulatory Surgical Center · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Endoscopy Center of Long Island LLC is a Ambulatory Surgical Clinic/Center organization in Garden City, NY (NPI 1265574768).
Provider details
- NPI number
- 1265574768
- Entity type
- Organization
- Primary specialty
- Ambulatory Surgical Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Zachary Marwil, Managing Director(516) 227-3254
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,793 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 830 | $369 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 687 | $553 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 623 | $694 |
| Colorectal Cancer Screening; Colonoscopy on Individual Not Meeting Criteria for High RiskG0121 | 462 | $542 |
| Diagnostic Exam of Large Bowel Using a Flexible Endoscope45378 | 112 | $538 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-12
- Last updated
- 2025-01-29
Frequently asked questions
- What is Endoscopy Center of Long Island LLC's NPI number?
- Endoscopy Center of Long Island LLC's National Provider Identifier (NPI) is 1265574768, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Endoscopy Center of Long Island LLC?
- Endoscopy Center of Long Island LLC is classified in the NPPES registry as Ambulatory Surgical Clinic/Center (Ambulatory Health Care Facilities).
- Where is Endoscopy Center of Long Island LLC located?
- Endoscopy Center of Long Island LLC's practice location on file with NPPES is 711 Stewart Avenue, Suite 114, Garden City, NY 11530.
- What is Endoscopy Center of Long Island LLC's phone number?
- The practice phone number listed in the NPPES registry for Endoscopy Center of Long Island LLC is (516) 227-2354.
- Does Endoscopy Center of Long Island LLC accept Medicare?
- Endoscopy Center of Long Island 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 Endoscopy Center of Long Island LLC?
- The authorized official listed on Endoscopy Center of Long Island LLC's NPPES record is Zachary Marwil, Managing Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Endoscopy Center of Long Island LLC's NPI active?
- Yes — Endoscopy Center of Long Island LLC's NPI (1265574768) is active in the NPPES registry as of the last update on 2025-01-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.