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).

Learn more about Dr. Louis Mazzarelli:

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Patient Reviews

Patient comments (3)

The overall average patient rating of Dr. Louis Mazzarelli is Good. Dr. Mazzarelli has been reviewed by 6 patients who have provided 3 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 4.7
Promptness 4.7
Courteous Staff 3.7
Accurate Diagnosis 4.2
Bedside Manner 4.2
Spends Time with Me 4.2
Follows Up After Visit 4.2

Specialties & Research

Dr. Louis Mazzarelli, MD is board certified in Diagnostic Radiology.

Education & Awards

Dr. Mazzarelli graduated from Yeshiva University, Bronx.


Dr. Mazzarelli has 3 hospital affiliations:

  • Staten Island University Hospital North 
  • Lawrence & Memorial Hospital 
  • Lawrence And Memorial Hospital, New London CT 


  • English

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Additional Information
Dr. Louis Mazzarelli MD is a male Diagnostic Radiologist, has 10 years of experience and practices in Diagnostic Radiology.
Where does Dr. Louis Mazzarelli practice?
Dr. Louis Mazzarelli has 4 office locations.
Dr. Louis Mazzarelli practices Diagnostic Radiology near New London, CT.
Additional practice locations include: Waterford, CT and Staten Island, NY.
See New London Radiologists.