Find a Radiation Oncologist in Johnstown, Pennsylvania 15905https://www.wellness.com/Radiation Oncologist in Johnstown, Pennsylvania serving residents in and around zip code 15905. Wellness.com has Radiation Oncologist reviews, phone numbers, addresses and maps available. en-usCopyright 2026, Wellness.com, Inc. All rights reserved.support@wellness.comWellness Cities Wellness.com Gazelle Rss Generatorhttps://www.wellness.com/dir/1937605/radiation-oncologist/pa/johnstown/richard-w-antemann-mdRichard W Antemann, MDhttps://www.wellness.com/dir/1937606/radiation-oncologist/pa/johnstown/kristina-gerszten-mdKristina Gerszten, MDhttps://www.wellness.com/dir/1937607/radiation-oncologist/pa/johnstown/harry-r-katz-mdHarry R Katz, MDhttps://www.wellness.com/dir/1937608/radiation-oncologist/pa/johnstown/robert-j-piroli-mdRobert J Piroli, MDhttps://www.wellness.com/dir/1937609/radiation-oncologist/pa/johnstown/david-stefanik-mdDavid Stefanik, MD