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Gastroenterology

Michael J. Finnegan, MD

Works at hospitals in Schenectady, NY · Troy, NY · Albany, NY · New York

Summary

Dr. Michael J. Finnegan, MD is a gastroenterologist at 1101 Nott St, Schenecctady, NY 12308. Phone: (518) 243-4000. Accepts Medicare assignment. In 2024, Michael J. Finnegan had 246 Original Medicare patients and 506 services. NPI 1083695944. 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: 1101 Nott St, Schenecctady, NY 12308 · Directions (2 more locations)
  • Phone: (518) 243‑4000
  • Medicare: Accepts Medicare assignment
  • Hospitals: Ellis Hospital, Samaritan Hospital, St Peter's Hospital
  • Group practice: Ellis Hospital (+1 more)
  • Medical school: graduated 1997 (29 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Michael J. Finnegan, 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 Michael J. Finnegan accept Medicare assignment?
Yes. Medicare's clinician data says Michael J. Finnegan 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 Michael J. Finnegan see?
In 2024, CMS data shows 246 Original Medicare patients and 506 services for Michael J. Finnegan. This counts Original Medicare only and measures volume, not quality.
What is Michael J. Finnegan's NPI number?
1083695944. 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 Michael J. Finnegan, 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 patients246
Services billed to Medicare506
Different services or procedures33
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (G0500)71 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)68 services
  3. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)58 services
  4. Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)54 services
  5. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)51 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%
  • Ischemic heart disease46%
  • Arthritis42%
  • Diabetes35%
  • Anxiety34%

Hospitals where Michael J. Finnegan works

Medicare's Facility Affiliation Data lists Michael J. Finnegan 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.

  • Ellis HospitalSchenectady, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330153
  • Samaritan HospitalTroy, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330180
  • St Peter's HospitalAlbany, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330057

Practice locations

Addresses where Michael J. Finnegan is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Michael J. Finnegan as a member of these groups (CMS data updated October 2, 2026).

  • Ellis Hospital249 clinicians in the group
  • Gastrointestinal Care of Long Island PLLC183 clinicians in the group

Specialties

Find other Gastroenterology doctors in New York →

Other gastroenterologists in Schenecctady

Clinicians with the same Medicare primary specialty in Schenecctady, NY — not a recommendation.

All gastroenterologists in Schenecctady →

Other clinicians in Ellis Hospital

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year1997 (29 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1083695944
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