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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. Donald Leone:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (4)

The overall average patient rating of Dr. Donald Leone is Good. Dr. Leone has been reviewed by 12 patients who have provided 4 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.3
Promptness 2.9
Courteous Staff 4.2
Accurate Diagnosis 4.4
Bedside Manner 4.1
Spends Time with Me 4.3
Follows Up After Visit 4.2

Specialties & Research

Dr. Donald Leone, MD is board certified in Internal Medicine.

Education & Awards

Dr. Leone graduated from Universita Degli Studi Di Bologna. He has 7 awards.

Alpha Epsilon Delta (honor society)
American Medical Association Physician Recognition Award, 1998
Alpha Epsilon Delta honor society
Patients' Choice Award (2011 - 2014)
Compassionate Doctor Recognition (2011 - 2013)
Bridges to Excellence Recognition
Bridges to Excellence Medical Home Recognition (2014 - 2017)
Level III
NCQA Physician Practice Connections - Patient Centered Medical Home (2014 - 2017)


Dr. Leone has 7 hospital affiliations:

  • Griffin Hospital 
  • Norwalk Hospital Association 


  • Italian
  • Spanish

> > > > Dr. Donald Leone, MD

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Additional Information
Dr. Donald J Leone MD is a male Internist, has 26 years of experience and practices in Internal Medicine.
Where does Dr. Donald J. Leone practice?
Dr. Donald Leone has 1 office location.
Dr. Donald Leone practices Internal Medicine near Norwalk, CT.
See Norwalk Internists.