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James J Hefferan,  MD

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James J Hefferan, MD

Cardiology, Interventional Cardiology

5.0
(452)

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 NJ

Medical School

University Hospital Newark

Internship

University Hospital - Newark

Residency

Newark Beth Israel Medical Center, University Hospital - Newark

Fellowship

BOARD CERTIFICATIONS

Cardiovascular Disease

American Board of Internal Medicine

Internal Medicine

American Board of Internal Medicine

Interventional Cardiology

American Board of Internal Medicine

Patient Reviews

OVERALL RATING

5.0

(452 ratings)
162 reviews
  • 5.0
    Nov 15, 2025
    Everyone in the office was very professional and friendly especially the nurse/assistant. Dr Hefferan was wonderful.
  • 5.0
    Nov 15, 2025
    Excellent care with Dr.HEFFERAN & all of the staff as usual !!!
  • 5.0
    Nov 14, 2025
    Excellent doctor and staff
  • 5.0
    Nov 11, 2025
    As always, an excellent experience. All relevant issues were discussed and completely answered. Dr. Heffernan is a knowledgeable, experienced and professional and I am completely confident in his care
  • 5.0
    Nov 7, 2025
    Excellent care. Great doctor and staff