Paul Sieber, M.D. is the Medical Director for Clinical Trials at Keystone Urology. He went to Purdue University and obtained his undergraduate degree in Biology before receiving his medical degree from Indiana University. He did his residency in general surgery and urology at the M.S. Hershey Medical Center, Penn State University.
Paul Sieber, M.D. is the Medical Director for Clinical Trials at Keystone Urology. He went to Purdue University and obtained his undergraduate degree in Biology before receiving his medical degree from Indiana University. He did his residency in general surgery and urology at the M.S. Hershey Medical Center, Penn State University.
Paul Sieber, M.D. is the Medical Director for Clinical Trials at Keystone Urology. He went to Purdue University and obtained his undergraduate degree in Biology before receiving his medical degree from Indiana University. He did his residency in general surgery and urology at the M.S. Hershey Medical Center, Penn State University. He has been involved with clinical trials for 20 years having worked on more than 200 studies. The bulk of these have focused on prostate cancer. Dr. Sieber is very enthusiastic about clinical trials and research as he looks at what can benefit his patients in the future. Many of today’s state-of-the-art treatments for prostate cancer have been investigated right here in Lancaster including Xgeva, Zytiga, Xtandi, Erleada, and Firmagon. Numerous diagnostic tests including OncotypeDX, Prolaris, Decipher, and 4K score have also been studied here. Furthermore, Keystone Urology has been a long-term participant in CAPSURE, an observational database with more than 150 publications. Dr. Sieber has authored numerous peer-reviewed articles and presented many posters at meetings including the AUA, ASCO, ASCO GU, SUO, and SIU.
Dr. Sieber met his wife of over 35 years while at Hershey Medical Center and has three children. Dr. Sieber enjoys spending time with his wife, gardening, exercising / cycling, and traveling.

Straight forward no nonsense answers and information with humor when called for. Super.
Dr. Sieber is down to earth and keeps it real. His knowledge, demeanor, and overall care is what makes him a true professional.
Quality time with an excellent clinician! History, exam & studies all covered with questions answered. Efficiently processed thru the appt.
Listened, evaluated, took time to research my past medical history prior to the visit. I was very impressed by his professionalism and prior experience.
It’s always 5 star meeting with Dr Sieber
Dr. Sieber is caring and helpful. He takes time to explain everything.
I trust my Doctor. Explain my condition well to me.
Always sincere and takes time to answer all of my questions. Very appreciated
Outstanding!!
Excellent doctor. Vast knowledge of his subject but also interesting to talk to about life in general