Pryor, a trauma doc at the Hospital at the University of Pennsylvania, was killed on Christmas Day while serving as an Army reserves medic in Iraq.
The story hit a nerve all over the country. Users have expressed their thoughts about Pryor's death on NBC Philadelphia.com.
The larger venue will allow anyone who wants to pay his or her respects to Pryor to do so. The service was originally planned in Pryor's hometown of Moorestown, N.J.
The service will be held on Monday January 5 at 10 a.m., said officials with the Philadelphia Archdiocese.
A Web site has been established in memory of Pryor. Click here to share your memories and/or more information on Pryor's life.
There is also a fund that has been set up to help Pryor's wife Carmela and their three small children.
Donations can be made as follows:
UPHS- Dr. John Pryor Fund
3535 Market Street
Philadelphia, PA 19104-3309