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Philip A. Mantia, MD

September 29, 2019

Philip A. Mantia, M.D. passed peacefully to his reward on Sunday, September 29, 2019 in Smithtown at the age of 80.
Born in Brooklyn, Dr. Mantia earned his medical degree from SUNY Downstate Medical School, coming to Smithtown in 1968 beginning his 51 year Gastroenterology practice associated with Smithtown General and St. John’s Episcopal Hospitals. He welcomed his nephew, Augustus G. Mantia, M.D. to the practice in 1978 in which they both continued to treat  patients who became friends.  Dr. Phil, as he was affectionately known, joined the Mount Sinai Doctors in 2009 where he continued to practice until his recent hospitalization in 2018.
Dr. Phil is survived by his loving Wife, Pat, his Nephew & medical partner, Dr. Gus Mantia & his Niece, Rosemary Casey, Marie Swiderski, Joanne Mantia. In addition, he is survived by his beloved Stepchildren, Gary & Leanne & Families ,cherished Grand Nephews, Grand Nieces, Great Grand Nephews, Great Grand Nieces along with numerous devoted patients, friends & colleagues.
Dr. Phil’s Family will welcome & receive visitors to the St. James Funeral Home, 829 Middle Country Road, Route 25, Saint James on Wednesday, October 2nd, 2019 from 7-9 P.M. 
Thursday, October 3rd, 2019 from 2-4 & 7-9 P.M. 
Dr. Mantia’s Funeral Mass will be offered on Friday, October 4th, 2019 at 11 A.M. at Saints Philip & James RC Church, Clinton Avenue, Saint James with his interment following in his Family Plot at Saint James Episcopal Cemetery, North Country Road, Saint James.

The Mantia Family has requested that, in lieu of flowers, they would deeply appreciate donations in Dr. Phil’s memory be made to:


Donations may be made to:

American Heart Association
PO Box 3049, Syracuse NY 13220-3049
Tel: 1-800-242-8721
Web: http://www.heart.org

The American Diabetes Association
2451 Crystal Drive; Suite 900, Arlington NY 22202
Web: http://diabetes.org


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