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Gastroenterology

Louis S. Competiello, MD

Works at hospitals in Stafford Springs, CT · Connecticut

Summary

Dr. Louis S. Competiello, MD is a gastroenterologist at 139 Hazard Ave, Building 1 Suite 3, Enfield, CT 06082. Phone: (860) 763-3434. Accepts Medicare assignment. In 2024, Louis S. Competiello had 33 Original Medicare patients and 86 services. NPI 1306949995. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Gastroenterologist (Medicare lists Gastroenterology)
  • Address: 139 Hazard Ave, Building 1 Suite 3, Enfield, CT 06082 · Directions
  • Phone: (860) 763‑3434
  • Medicare: Accepts Medicare assignment
  • Hospital: Johnson Memorial Hospital
  • Medical school: Icahn School Of Medicine At Mount Sinai · graduated 1983 (43 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Louis S. Competiello, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Louis S. Competiello accept Medicare assignment?
Yes. Medicare's clinician data says Louis S. Competiello accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Louis S. Competiello see?
In 2024, CMS data shows 33 Original Medicare patients and 86 services for Louis S. Competiello. This counts Original Medicare only and measures volume, not quality.
What is Louis S. Competiello's NPI number?
1306949995. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Louis S. Competiello, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients33
Services billed to Medicare86
Different services or procedures8
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)18 services
  2. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)18 services
  3. Biopsy of large bowel using a flexible endoscope (45380)16 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)16 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis52%
  • Anxiety33%

Hospitals where Louis S. Competiello works

Medicare's Facility Affiliation Data lists Louis S. Competiello at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Johnson Memorial HospitalStafford Springs, CT · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 070008

Practice locations

Addresses where Louis S. Competiello is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Gastroenterology doctors in Connecticut →

Other gastroenterologists in Enfield

Clinicians with the same Medicare primary specialty in Enfield, CT — not a recommendation.

All gastroenterologists in Enfield →

Clinician information

CredentialMD
Medical schoolIcahn School Of Medicine At Mount Sinai
Graduation year1983 (43 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1306949995
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians