Physician Staff Biography Information:

Dr. Joseph B. Lennert -

Dr. Joseph B. Lennert is a native of the Lehigh Valley.  He is a graduate of Liberty High School
and Moravian College.  He is a graduate of Temple University School of Medicine and did his
internship and residency in Urology at Geisinger Hospital in Danville, PA.  He is affiliated with
St. Luke’s Hospital, Bethlehem and Lehigh Valley Hospital Muhlenberg. 
Dr. Lennert is Section Chief Emeritus, Department of Urology at St. Luke’s Hospital. 
He practices all areas of Urology specializing in robotic laparoscopic surgery, and urologic cancers.
He is a Fellow in the American College of Surgeons, a member of the Minimally Invasive Robotic
Association, and a member of the Society of Laparoscopic Surgeons. 

Dr. Lennert is also a member of the American Urology Association, from whom he received his board certification., a member of the Pennsylvania State Medical Society and Northampton County Medical Society, where he was past president and on the board of Directors.  He has served on the Alumni Board of both Moravian College and Temple University School of Medicine.

Dr. Lennert has presented at numerous seminars on urologic cancers.  He has presented robotic surgery to the Eastern Pennsylvania Chapter of the American College of Surgeons.  Dr. Lennert has been involved in the training program for residents of St. Luke’s Hospital.  He has also authored several papers in the urologic literature.

Gregory T. Pypiuk, PA-C

Greg is a native of the Lehigh Valley and a graduate of Hahnemann University,
Philadelphia, PA with a B.S. in Health Services.  He is a member of the American
Academy of Physician assistants and the Pennsylvania Academy of the physician
Assistants. 

His professional experience  has been varied, having worked
in pain management, pulmonary medicine, surgery and urology.  
He has worked both part-time and full-time with Dr. Lennert for
the past six years.  He is actively affiliated with St. Luke’s
Hospital, Bethlehem and Lehigh Valley, Muhlenberg.

© 2008 Northgate Urology Associates [All Rights Reserved]