Pennsylvania Team
Principle Investigators
Frontier Clinical Research Investigators bring years of experience to their passionate work in treating patients and better understanding the science of medicine. Our experts are board certified in many fields including Family Medicine, Dermatology, Gastroenterology, Gynecology, Internal Medicine, Otolaryngology, Psychology & Pediatrics. Moreover, our staff’s Phase I-IV experience spans the medical sciences including areas such as Cardiology, Dermatology, Endocrinology, Gastroenterology, Gynecology, Infectious Disease, Hematology, Neurology, Orthopedics, Otolaryngology, Pulmonology, Psychology & Urology in addition to their board specialties.
Marcy Goisse, MD
Vice President & Medical Director
Dr. Marcy Goisse, Co-Owner of Frontier Clinical Research, is board certified in Family Medicine. She completed her residency at George Washington-Holy Cross Family Practice Residency Program in Washington, DC in 2000. She has a private medical practice at Montgomery Medical Inc. and has been a physician for over 20 years. She has over 10 years of extensive clinical research experience by participating in over 90 clinical trials in a broad range of indications
Tiffany Pluto, DO
Dr. Tiffany Pluto is board certified in Family Medicine & Osteopathic Manipulative Treatment. She completed her residency at Doctors Hospital of Stark County in Massillon, OH in 1999. She has a private medical practice at Fay-West Family Practice and has been a physician for over 20 years. She has over 9 years extensive clinical research experience by participating in over 50 clinical trials in a broad range of indications.
Frederick Ruthardt, MD
Dr. Frederick Ruthardt is board certified in Gastroenterology. He completed his residency at Mercy Hospital in Pittsburgh, PA in 1986. He has a private medical practice at Southwestern GI Specialists, PC and has been a physician for over 30 years. He has over 10 years extensive clinical research experience by participating in over 20 clinical trials in a broad range of indications.
Sub-Investigators
While our principal investigators are certainly top-notch doctors in their fields, Frontier Clinical Research could not function without the experience and expertise of our Sub-Investigators. All of whom bring years of clinical research and hard work to the table, enabling us to help you improve your health and assist with learning more about health and the human body.
Rod Hojat, MD
Obstetrics & Gynecology
Charles Calabrese, DO
Gastroenterology
Kathryn Semans, PA-C
Physician Assistant
Bchara Janadri, MD
Pediatrics
Michael Rua, PA-C
Physician Assistant
Marc Happe, DO
Gastroenterology
Robert Stokes, MD
Gastroenterology
Clinical Research Coordinators
Julie Black
Research Manager with over 9 years of extensive clinical research experience by participating in over 50 clinical trials in a broad range of indications. She provides oversight of all Pennsylvania sites and coordinators.
