Emergency Medicine Institute Leadership
Marianne Kostenbader,
EMT-P, RN, BSN
Manager GEM-Emergency Medicine
Institute
Marianne joined the Emergency Medicine
Institute as a program coordinator for the
simulator lab in 1999. She now serves as the
Manager for EMI with dual responsibilities
in administrative functions as well as
providing education for the institute.
Marianne brings with her a background in
Emergency, Trauma and Flight Nursing as well
as remaining active in EMS as a PHRN.
John F. McCarthy , D.O., FACEP Chief,
Prehospital EMS
Medical Director GEM-Emergency Medicine
Institute and Lehigh Valley MedEvac
Dr. McCarthy has served as the
medical director at the GEM-Emergency
Medicine Institute since 1995. He has been
involved in the fire and EMS services for 22
years. During that time he graduated from
the Philadelphia College of Osteopathic
Medicine and completed an Emergency Medical
Services Fellowship at the Albert Einstein
Medical Center in Philadelphia, leading to
his positions of chief of Pre-Hospital EMS,
medical director of
Lehigh Valley MedEvac, and
medical director for the City of Allentown
EMS. Currently, he is also an attending
emergency medicine physician for Lehigh
Valley Hospital and Health Network. Dr.
McCarthy has also been actively involved in
clinical research.
Emergency Medicine Institute Program Coordinators
| Doug Gernerd | (610) 969-0288 |
| Alan Heckman | (610) 969-0287 |
| Guy Peifer | (610) 969-0271 |

