Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Michael Finnegan, MD

Individual provider Gastroenterology Physician · NPI 1083695944

Dr. Michael Finnegan, MD is a Gastroenterology in Amsterdam, New York. Qualified in 1997, 29 years ago. Practices with Ellis Hospital, a 252-clinician group and accepts Medicare assignment. Licensed in Connecticut and New York.

Years since qualifying
29
Licensed in
CT, NY
In the registry since
2005
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

425 Guy Park Ave Ste 102
Amsterdam, NY 12010-1043
Phone: (518) 843-1240
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 243548 (NY)
Gastroenterology Physician Taxonomy 207RG0100X · Licence 038782 (CT)

Record details

NPI number1083695944
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 8, 2005
Last updated in NPPESOctober 24, 2014
Mailing address380 Guy Park Ave, Attn: Christine Russo, Amsterdam, NY 12010-1055

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1997 (29 years in practice)
Group practice Ellis Hospital — 252 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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