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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. John O'Donnell:

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Specialties & Research

Dr. John O'Donnell, MD is board certified in Emergency Medicine and Internal Medicine.

Education & Awards

Dr. O'Donnell graduated from Drexel University , Philadelphia.


Dr. O'Donnell has 5 hospital affiliations:

  • Albert Einstein Medical Center 
  • Delaware County Memorial Hospital 


  • French
  • Spanish
  • German

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Additional Information
Dr. John Joseph O'Donnell MD is a male Emergency Medicine Specialist, has 37 years of experience and practices in Internal Medicine and Emergency Medicine.
Where does Dr. John J. O'Donnell practice?
Dr. John O'Donnell has 2 office locations.
Dr. John O'Donnell practices Internal Medicine and Emergency Medicine near Drexel Hill, PA.
Additional practice locations include: Elkins Park, PA.
See Drexel Hill Internists and Drexel Hill Emergency Physicians.