Expert Gastroenterologists

Our physicians specializing in gastroenterology, the branch of medicine that focuses on the digestive system, offer personalized, high-quality care in each of our facilities: Mercy FitzgeraldMercy Philadelphia and Nazareth Hospital.

Our gastroenterologists are experts in using the most advanced technology to perform thousands of diagnostic and therapeutic procedures each year that help treat a wide array of digestive disorders.

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  • Katherine Helen Alexander
    • Gastroenterology
    Mercy Gastroenterology at Mercy Philadelphia
    Philadelphia, PA
    • Mercy Physician Network
  • Rafael A. Amaral
    • Gastroenterology
    Mercy Gastroenterology at Roxborough
    Philadelphia, PA
    Mercy Gastroenterology Darby
    Darby, PA
    Mercy Gastroenterology at Springfield
    Springfield, PA
    • Mercy Physician Network
  • Ronald Concha-Parra
    • Gastroenterology
    Mercy Gastroenterology at Roxborough
    Philadelphia, PA
    Mercy Gastroenterology at Mercy Philadelphia
    Philadelphia, PA
    • Mercy Physician Network
  • Mervyn D. Danilewitz
    • Gastroenterology
    Mercy Gastroenterology at Roxborough
    Philadelphia, PA
    Mercy Gastroenterology at Mercy Philadelphia
    Philadelphia, PA
    • Mercy Physician Network
  • Austin F. Hwang
    • Gastroenterology
    Mercy Gastroenterology at Roxborough
    Philadelphia, PA
    Mercy Gastroenterology Darby
    Darby, PA
    Mercy Gastroenterology at Springfield
    Springfield, PA
    • Mercy Physician Network
  • Steven Lichtenstein
    • Gastroenterology
    Mercy Gastroenterology at Roxborough
    Philadelphia, PA
    Mercy Gastroenterology Darby
    Darby, PA
    Mercy Gastroenterology at Springfield
    Springfield, PA
    • View my video
    • Mercy Physician Network
  • Emily Ann McGehrin
    • Gastroenterology
    Mercy Gastroenterology Darby
    Darby, PA
    • Mercy Physician Network
  • Sonaly Patel
    • Gastroenterology
    Mercy Gastroenterology at Roxborough
    Philadelphia, PA
    Mercy Gastroenterology Darby
    Darby, PA
    Mercy Gastroenterology at Springfield
    Springfield, PA
    • Mercy Physician Network