★★★★★5.0(1)Dr. James Kolker, MDRadiation OncologistPhiladelphia, PAAccepting patientsAffiliated with a Castle Connolly Top HospitalAccepting patientsAffiliated with a Castle Connolly Top HospitalRatings & ReviewsMost RecentHighest Rated08/17/2010Answered all my questionsDr. Kolker is very intelligent and experienced in the world of cancer. Most docs run when they see me because they know I will ask a ton of questions. Dr. Kolker answered them all in detail and to where I could understand them. Texas misses him! :)1