Accepting New Patients


Nuclear Cardiology
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Mount Sinai Doctors ?
    • Specialties
    • Nuclear Cardiology
    • Cardiology (Heart)
    • Language
    • English
    • Hospital Affiliation
    • Mount Sinai Brooklyn
    • Phone
    • Mount Sinai Doctors-Brooklyn, Cardiology 718-758-7070
    • Mount Sinai Doctors Midwood 718-758-7070

Dr. Hewitt is a Board Certified General Cardiologist with additional board certifications in Echocardiography, Nuclear Cardiology and Cardiovascular Computed Tomography. She received her medical degree from Weill Cornell Medical College. She then completed her internal medicine internship and residency training at NYP Hospital/Weill Cornell Medical Center prior to completing her fellowship in cardiovascular medicine at Temple University School of Medicine in Philadelphia, PA.

Prior to joining the Mount Sinai Doctors, Dr. Hewitt was recognized on the peer selected PA TopDocs 2020.

Dr. Hewitt’s interests include preventative cardiology, women’s cardiovascular health, and transesophageal echocardiography. She also treats the vast spectrum of cardiovascular disorders including hypertension, lipid disorders, coronary artery disease, heart failure and arrhythmias which require medical management.

“My approach to patient care is personalized and compassionate with a focus on collaborative, data driven decision making.”


Cardiovascular Computed Tomography

Clinical Focus

  • CT Scan - Heart (Coronary CTA)
  • Chest Pain
  • ECG / EKG
  • Exercise Stress Test
  • High Blood Pressure
  • High Cholesterol
  • Hypertension (High Blood Pressure)
  • Low Blood Pressure / Hypotension
  • Shortness of Breath / Difficulty in Breathing
  • Swelling in Legs
  • Vein Thrombosis / Inflammation


MD, Weill Cornell Medical College

Residency, Internal Medicine
NY Presbyterian Hospital-Cornell

Fellowship, Cardiology
Temple University