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

Dr. Peter T Brennan, MD

Individual provider Gastroenterology Physician · NPI 1780655118

Dr. Peter T Brennan, MD is a Gastroenterology in Ithaca, New York. Qualified in 1980, 46 years ago. Practices with Cayuga Medical Associates PC, a 277-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in New York.

Years since qualifying
46
Licensed in
NY
In the registry since
2006
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

2 Ascot Pl
Ithaca, NY 14850
Phone: (607) 339-0788
Fax: (607) 319-5529
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 2435 N Triphammer Rd, Ithaca, NY 14850-1047 — (607) 272-5011

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 161989 (NY)

Record details

NPI number1780655118
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 1, 2006
Last updated in NPPESAugust 2, 2018

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1980 (46 years in practice)
Group practice Cayuga Medical Associates Pc — 277 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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