Doctor profile · Federal record

Dr. Michael Finnegan, MD

Gastroenterology Physician (CMS: Gastroenterology) · Gastroenterology Physician · Amsterdam, NY

  • NPI 1083695944
  • Accepts Medicare
  • 29 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
425 Guy Park Ave, Suite 102
Amsterdam, NY 120101043
(518) 843-1240
Mailing address
380 Guy Park Ave, Attn: Christine Russo
Amsterdam, NY 120101055

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
October 24, 2014
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
New York #243548 · Connecticut #038782
Medicaid (2)
CT #001387829 · NY #02940605

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1083695944. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
242
Distinct HCPCS
8
Medicare allowed
$32,655
HCPCS Description Services Patients Avg allowed
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 51 50 $224
99214 Established patient office or other outpatient visit, 30-39 minutes 42 41 $94
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 37 36 $89
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 27 27 $167
45380 Biopsy of large bowel using a flexible endoscope 24 24 $95
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 23 23 $125
99213 Established patient office or other outpatient visit, 20-29 minutes 20 18 $63
45378 Diagnostic exam of large bowel using a flexible endoscope 18 18 $169

In context: peer comparison

Among 2 peers in Amsterdam Gastroenterology Physician, average services per provider: 27. This provider delivers 9.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$71
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 2 $49.21
Janssen Biotech, INC. 1 $22.03

By nature of payment

Food and Beverage
$51
Compensation for Services Other Than Consulting, Including Serving As Faculty or As A Speaker at A Venue Other Than A Continuing Education Program
$20

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,426
Patients
272
Total drug cost
$79,230
Drug Type Claims Patients Total cost
Omeprazole Generic 549 154 $6,824
Famotidine Generic 140 40 $2,628
Nortriptyline Hcl Generic 131 37 $1,709
Pantoprazole Sodium Generic 90 25 $1,197
Furosemide Generic 68 0 $412
Linzess (Linaclotide) Brand 64 16 $57,160
Simvastatin Generic 56 0 $500
Lisinopril Generic 53 0 $548
Tamsulosin Hcl Generic 49 0 $1,634
Atorvastatin Calcium Generic 42 0 $672

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Finnegan's medical specialty?
Dr. Michael Finnegan practices Gastroenterology Physician in Amsterdam, NY.
Where does Dr. Michael Finnegan practice?
Dr. Michael Finnegan practices at 425 Guy Park Ave, Amsterdam, NY 120101043. Office phone: 5188431240.
What is Dr. Michael Finnegan's NPI?
Dr. Michael Finnegan's National Provider Identifier (NPI) is 1083695944, issued by NPPES.
Does Dr. Michael Finnegan accept Medicare assignment?
Yes. Dr. Michael Finnegan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Finnegan commonly perform?
Top Medicare-reported procedures in 2023: Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Established patient office or other outpatient visit (HCPCS 99214); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.