Physicians

  • Dr. Frederic A. Meyers

    Dr. Frederic A. Meyers has been practicing Gastroenterology in Chester County since 1988. He completed his internship and residency at the University of Pittsburgh Medical Center and completed his subspecialty training in Gastroenterology at Temple University Hospital. Dr. Meyers is Board Certified in Internal Medicine and Gastroenterology. He lives in Chester County with his wife and two sons.

    Dr. Frederic A. Meyers
  • Dr. Michael A. Waronker

    Dr. Michael A. Waronker has been practicing Gastroenterology in Chester County since 2000. He completed his internship at Atlantic Medical Center, and his residency at the Medical College of Pennsylvania. He completed his subspecialty training in Gastroenterology at Hahnemann School of Medicine. Dr. Waronker is Board Certified in Internal Medicine and Gastroenterology. He lives in Chester County with his wife and family.

    Dr. Michael A. Waronker
  • Dr. Ronald I. Waloff

    Dr. Ronald I. Waloff has been practicing Gastroenterology since 1982. He completed his internship and residency at Temple University Medical Center and completed his subspecialty training in Gastroenterology at Yale University. Dr. Waloff is Board Certified in Internal Medicine and Gastroenterology. Dr. Waloff brings his extensive clinical experience from a major medical center in Philadelphia to the heart of Chester County. Dr. Waloff just moved to Chester County with his wife, Ellen and their 2 black labs, Maggie and Jake. He enjoys exercising, building model trains and dancing with his dogs.

    Dr. Ronald I. Waloff
  • Dr. Eva Sum

    Dr. Eva Sum joins the practice having completed her residency and subspecialty training in Gastroenterology at Temple University Hospital. Dr. Sum is Board Certified in Internal Medicine and Gastroenterology. She enjoys playing with her dogs and spending time with her son, Max. She lives in Swarthmore with her husband and son.

    Dr. Eva Sum
  • Deborah Rodzwic Carlis

    Deborah Rodzwic Carlis is a Nurse Practitioner with over thirteen years experience in direct patient care. She was an Oncology Nurse Specialist for fifteen years before returning to school to obtain her post Master’s degree certificate as a Family Nurse Practitioner. Deborah is very interested in wellness and disease prevention and is an avid daily race walker. Deborah lives with her son and husband in Guthriesville.

    Deborah Rodzwic Carlis