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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. Martin O'Riordan:

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Patient Reviews

Patient comments (0)

The overall average patient rating of Dr. Martin O'Riordan is Excellent. Dr. O'Riordan has been reviewed by 2 patients who have provided 0 comments. The rating is 4.5 out of 5 stars.

Specialties & Research

Dr. Martin O'Riordan, MD is board certified in Cardiovascular Disease.

  • He has special expertise in 5 areas:
  • Acute Coronary Syndrome (ACS)
  • Heart Block
  • High Blood Pressure (Hypertension)
  • High Cholesterol (Hypercholesterolemia)
  • Unstable Angina

Education & Awards

Dr. O'Riordan graduated from Thomas Jefferson University, Philadelphia. He has 1 awards.

Castle Connolly's Top Doctors™ (2013)


Dr. O'Riordan has 13 hospital affiliations:

  • Nazareth Hospital 
  • Bryn Mawr Rehabilitation Hospital 

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Additional Information
Dr. Martin Joseph O'Riordan MD is a male Internist, has 24 years of experience and practices in Cardiovascular Disease.
Where does Dr. Martin J. O'Riordan practice?
Dr. Martin O'Riordan has 5 office locations.
Dr. Martin O'Riordan practices Cardiovascular Disease near Darby, PA.
Additional practice locations include: Wynnewood, PA and Springfield, PA.
See Darby Cardiologists.