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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. William Petit is Excellent. Dr. Petit has been reviewed by 9 patients who have provided 2 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.2
Promptness 4.5
Courteous Staff 4.7
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

Dr. William Petit, FACE, MD is board certified in Internal Medicine.

  • He has special expertise in 8 areas:
  • Diabetes
  • Diabetes Complications
  • Endocrinology
  • High Blood Pressure (Hypertension)
  • Lipid Metabolism Disorders
  • Osteoporosis
  • Polycystic Ovary Syndrome (PCOS)
  • Thyroid Diseases

Education & Awards

Dr. Petit graduated from University of Pittsburgh . He has 2 awards.

Patients' Choice Award (2008 - 2011, 2014)
Compassionate Doctor Recognition (2011, 2014)


Dr. Petit has 11 hospital affiliations:

  • New Britain General Hospital 
  • Yale-New Haven Hospital 


  • Spanish

> > > > Dr. William Petit, FACE, MD

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Additional Information
Dr. William Arthur Petit FACE and MD is a male Internist, has 30 years of experience and practices in Internal Medicine.
Where does Dr. William A. Petit practice?
Dr. William Petit has 2 office locations.
Dr. William Petit practices Internal Medicine near New Britain, CT.
Additional practice locations include: New Haven, CT.
See New Britain Internists.