Skip to main content
Norman Callahan, DO, Gastroenterology, Malvern, PA

NormanM.CallahanDO

Gastroenterology Malvern, PA

Advanced Endoscopic Interventional

Physician

Dr. Callahan is on Doximity

As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.

  • Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
  • Connect with colleagues in the same hospital or clinic.
  • Read the latest clinical news, personalized to your specialty.

See Dr. Callahan's full profile

Already have an account?

  • Office

    325 Central Ave
    2nd Floor
    Malvern, PA 19355
    Phone+1 610-644-6755
    Fax+1 610-647-2063

Education & Training

  • Main Line Health System/Lankenau Medical Center
    Main Line Health System/Lankenau Medical CenterFellowship, Gastroenterology, 1995 - 1997
  • Main Line Health System/Lankenau Medical Center
    Main Line Health System/Lankenau Medical CenterResidency, Internal Medicine, 1992 - 1995
  • Philadelphia College of Osteopathic Medicine
    Philadelphia College of Osteopathic MedicineClass of 1991

Certifications & Licensure

  • PA State Medical License
    PA State License 1994 - 2026
  • American Board of Internal Medicine Gastroenterology

Awards, Honors, & Recognition

  • CMS Meaningful Use Stage 1 Certification eClinicalWorks EHR, eClinicalWorks LLC, 2012-2013

Professional Memberships