gppconline.com New patients welcome Call for an appointment. 716.874.4060 Monday 7:00 am - 4:00 pm Tuesday 7:00 am - 4:00 pm Wednesday 7:00 am - 4:00 pm Thursday 7:00 am - 4:00 pm Friday 7:00 am - 4:00 pm Our on-call doctors are available after hours by contacting our main office number. Your Care Team Anthony Perna, MD Calogero Ippolito, MD.