Glastonbury Endoscopy Center, LLC
NPI 1659525020 · Ambulatory Surgical Clinic/Center · Glastonbury, CT
Enrolled with Medicare as Part B Supplier - Ambulatory Surgical Center · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Glastonbury Endoscopy Center, LLC is a Ambulatory Surgical Clinic/Center organization in Glastonbury, CT (NPI 1659525020).
Provider details
- NPI number
- 1659525020
- Entity type
- Organization
- Primary specialty
- Ambulatory Surgical Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Jeffrey Nestler, Medical Director(860) 657-1950
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
17 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
940 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) |
|---|---|---|
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 265 | $627 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 255 | $344 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 186 | $522 |
| Colorectal Cancer Screening; Colonoscopy on Individual at High RiskG0105 | 96 | $489 |
| Colorectal Cancer Screening; Colonoscopy on Individual Not Meeting Criteria for High RiskG0121 | 64 | $489 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-11-11
- Last updated
- 2013-05-09
Frequently asked questions
- What is Glastonbury Endoscopy Center, LLC's NPI number?
- Glastonbury Endoscopy Center, LLC's National Provider Identifier (NPI) is 1659525020, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Glastonbury Endoscopy Center, LLC?
- Glastonbury Endoscopy Center, LLC is classified in the NPPES registry as Ambulatory Surgical Clinic/Center (Ambulatory Health Care Facilities).
- Where is Glastonbury Endoscopy Center, LLC located?
- Glastonbury Endoscopy Center, LLC's practice location on file with NPPES is 300 Western Blvd, Glastonbury, CT 06033-1236.
- What is Glastonbury Endoscopy Center, LLC's phone number?
- The practice phone number listed in the NPPES registry for Glastonbury Endoscopy Center, LLC is (714) 843-5997.
- Does Glastonbury Endoscopy Center, LLC accept Medicare?
- Glastonbury Endoscopy Center, 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 Glastonbury Endoscopy Center, LLC?
- The authorized official listed on Glastonbury Endoscopy Center, LLC's NPPES record is Jeffrey Nestler, Medical Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Glastonbury Endoscopy Center, LLC's NPI active?
- Yes — Glastonbury Endoscopy Center, LLC's NPI (1659525020) is active in the NPPES registry as of the last update on 2013-05-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.