Brennan, Peter T. Return to Directory Provider Name: Brennan, Peter T. Primary Specialty: Gastroenterology Group: CMA Gastroenterology County: Tompkins Street: 20 Arrowood Dr., Ste B City: Ithaca State: NY Zip: 14850 Phone: (607) 339-0788 Fax: (607) 319-5529 Board Certified: 1 Gender: Male Medical School: State University of NY Health Sci Ctr, Syracuse Coll of Med Degree Date: 1980