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Dr. Martin O'Riordan, MD

Dr. Martin O'Riordan, MD

Age 61 Cardiology M
(49) 49 reviews

Telehealth available

Accepting New Patients


Dr. Martin O'Riordan, MD is a cardiology specialist in Darby, PA. Dr. O'Riordan completed a residency at Med College Penn. He currently practices at Mercy Cardiology and is affiliated with Mercy Fitzgerald Hospital. He accepts multiple insurance plans. Dr. O'Riordan is board certified in Cardiovascular Disease.


  • Lankenau Hospital, Fellowship Hospital — 1994
  • Med College Penn, Residency Hospital — 1991
  • Med Coll Penn, Internship Hospital — 1988
  • Med College Penn, Internship Hospital — 1988
  • Jefferson Medical College Of Thomas Jefferson University, Thomas Jefferson University, Medical School — 1987

Insurance Accepted

  • Aetna
  • Amerihealth
  • Anthem
  • Blue Cross Blue Shield
  • Capital Blue Cross
  • CareFirst Blue Cross Blue Shield
  • First Health (Coventry Health Care)

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Compare with other Cardiology Specialists

Compare Dr. O'Riordan with our nearby Cardiology Specialists at Jefferson Methodist Hospital
These providers are on the medical staff of Jefferson Methodist Hospital
These providers are on the medical staff of Jefferson Methodist Hospital.

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Mar 17, 2022
Dr. O'Reardon is the ONLY doctor who stuck with it and me to get my hypertension under control. He is very accessible and caring.
Roseanne Hunt-Harkin — Mar 17, 2022
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Frequently Asked Questions

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Dr. O'Riordan frequently treats Electrocardiogram (EKG), Hypertensive Heart Disease, and Hyperlipidemia.  

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Hospital Affiliations

  • Mercy Fitzgerald Hospital
  • Mercy Philadelphia Hospital


  1. Mercy Cardiology

    1. 1
      Mercy Cardiology At Darby
      1503 Lansdowne Ave Ste 3001, Darby, PA 19023 (610) 649-2068
    2. 2
      Mercy Cardiology at Springfield
      1001 Baltimore Pike Ste 110, Springfield, PA 19064 (484) 479-2600
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(610) 649-2068