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James J Hefferan,  MD

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James J Hefferan, MD

Cardiology, Interventional Cardiology

5.0
(450)

Male

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About me

Dr. James Hefferan is a fellowship-trained interventional cardiologist at Atlantic Medical Group. Board-certified in cardiovascular disease, interventional cardiology and internal medicine by the American Board of Internal Medicine, he has more than 30 years of clinical expertise providing comprehensive cardiac care, diagnosing and treating patients with cardiovascular disease as well as congenital and structural heart conditions. He has special training and experience in using catheter-based procedures, such as angioplasty and stenting. Dr. Hefferan believes in providing compassionate, personalized care to his patients providing education on preventative care and using minimally invasive treatments such as catheterization to open blocked arteries and avoid open-heart procedures.

After earning his medical degree at the University of Medicine and Dentistry of NJ, Newark, NJ, Dr. Hefferan performed his residency at University Hospital, Newark, NJ, where he remained to complete a fellowship in cardiology. He went on to complete a second fellowship in interventional cardiology at Newark Beth Israel Medical Center, also in Newark.

Dr. Hefferan is a Fellow of the American College of Cardiology and the Society of Cardiac Angiography and Interventions. He is a participating provider of the Atlantic Accountable Care Organization.

SPECIALTIES

  • Cardiology

AFFILIATIONS

  • Atlantic Medical Group

  • Morristown Medical Center

  • Overlook Medical Center

Where to see me

Insurance

Please contact the practice to confirm your health plan is accepted.

Education & Experience

TRAINING

University of Medicine and Dentistry of NJMedical School
University Hospital NewarkInternship
University Hospital - NewarkResidency
Newark Beth Israel Medical Center, University Hospital - NewarkFellowship

BOARD CERTIFICATIONS

Cardiovascular DiseaseAmerican Board of Internal Medicine
Internal MedicineAmerican Board of Internal Medicine
Interventional CardiologyAmerican Board of Internal Medicine

Patient Reviews

OVERALL RATING

5.0

(450 ratings)
20 reviews
  • 5.0
    Aug 15, 2025
    Very good service.
  • 5.0
    Aug 15, 2025
    I like going to Dr. Heffernan.
  • 5.0
    Aug 14, 2025
    Doc Hefferan is the "BEST."
  • 5.0
    Aug 14, 2025
    Oh ya. You bet. All the way. 100% I did. Every visit. The staff is a 100 good. The doc is 1000 good.
  • 5.0
    Aug 13, 2025
    Short waiting time and staff very pleasant and knowledgeable.