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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).

Patient Reviews

Patient comments (2)

The overall average patient rating of Dr. Gregory Ziolo, Cardiologist is Good. Dr. Ziolo has been reviewed by 11 patients who have provided 2 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.3
Promptness 3.3
Courteous Staff 4.2
Accurate Diagnosis 4.3
Bedside Manner 3.8
Spends Time with Me 4.3
Follows Up After Visit 3.2

Specialties & Research

Dr. Gregory Ziolo, MD is board certified in Cardiovascular Disease.

  • He has special expertise in 7 areas:
  • Acute Coronary Syndrome (ACS)
  • Echocardiography
  • Heart Block
  • High Blood Pressure (Hypertension)
  • High Cholesterol (Hypercholesterolemia)
  • Nuclear Medicine
  • Unstable Angina

Education & Awards

Dr. Ziolo graduated from Akademia Medyczna, Krakow.


Dr. Ziolo has 6 hospital affiliations:

  • Morristown Memorial Hospital 
  • St. Clare's Hospital-Denville 


  • Gujarati
  • Hindi
  • Polish
  • English

> > > > Dr. Gregory Ziolo, MD

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Additional Information
Dr. Gregory M Ziolo MD is a male Internist, has 21 years of experience and practices in Cardiovascular Disease and Cardiology.
Where does Dr. Gregory M. Ziolo practice?
Dr. Gregory Ziolo has 1 office location.
Dr. Gregory Ziolo practices Cardiovascular Disease and Cardiology near Morristown, NJ.
See Morristown Cardiologists.