Penn State Family Medicine Residency Program, University Park - Faculty and Staff

Program Director

Joseph P. Wiedemer, M.D., is the Program Director of the Penn State Hershey Family Medicine Residency Program at Mount Nittany Medical Center.  Before joining Penn State Hershey, Dr. Wiedemer served as the Director for the Family Medicine Residencies at Hackensack UMC Mountainside and Hunterdon Medical Center in New Jersey.  

Dr. Wiedemer completed his undergraduate at Juniata College in Huntingdon, PA, received his medical degree from Temple University School of Medicine in Philadelphia, and completed his family medicine residency at West Jersey Hospital, NJ.   

In addition, he is a member of the American Academy of Family Physicians, American Family Medicine Residency, Association of Family Medicine Residency Directors, and is Chair of the Mount Nittany Board of Education. 

Faculty

Jonathan D. Adams, M.D., Associate Professor of Family and Community Medicine, is a core faculty member of the Penn State Hershey Family Medicine Residency Program at Mount Nittany Medical Center.  He received his medical degree at Jefferson Medical College and completed his residency at Williamsport Regional Medical Center. 

Dr. Adams has been teaching family medicine with Penn State Hershey for 20 years and served as the State College Family Medicine Medical Director from 1998 – 2007.  In addition, Dr. Adams acted as Interim Program Director of the Penn State Hershey Family Medicine Residency Program at Mount Nittany Medical Center from 2008 – 2013.

Dr. Adams is a member of the American Academy of Family Physicians, the Pennsylvania Academy of Family Physicians, and the Christian Medical and Dental Association. He has focused interests in disaster medicine, global health, cardiology, musculoskeletal medicine, and personal, family, and institutional preparedness.

Franklin J. Berkey, D.O., Assistant Professor of Family and Community Medicine, is a core faculty member of the Penn State Hershey Family Medicine Residency Program at Mount Nittany Medical Center.  In addition to family medicine, Dr. Berkey is board certified in Hospice and Palliative Care, and serves as medical director of a local hospice agency. Before joining Penn State Hershey in 2007, Dr. Berkey worked at a rural healthcare clinic in Huntingdon County, Pennsylvania.

Dr. Berkey completed his undergraduate at Penn State University and received his medical degree from the Philadelphia College of Osteopathic Medicine. He completed his family medicine residency at Altoona Regional Health System in central Pennsylvania.

He is a fellow of the American Academy of Family Physicians and currently serves as Chair, Department of Family Medicine, Mount Nittany Medical Center.