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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).

Learn more about Dr. John Sullivan:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (0)

The overall average patient rating of Dr. John Sullivan is Excellent. Dr. Sullivan has been reviewed by 3 patients who have provided 0 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.7
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

Dr. John Sullivan, MD is board certified in Internal Medicine and Pediatrics.

Education & Awards

Dr. Sullivan graduated from Tufts University, Boston. He has 1 awards.

Patients' Choice Award (2014)


Dr. Sullivan has 5 hospital affiliations:

  • Winchester Hospital 
  • Winchester Hospital, Winchester, Ma 


  • Spanish
  • English

> > > > Dr. John Sullivan, MD

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Additional Information
Dr. John Joseph Sullivan MD is a male Internist, has 43 years of experience and practices in Internal Medicine and Pediatrics.
Where does Dr. John J. Sullivan practice?
Dr. John Sullivan has 4 office locations.
Dr. John Sullivan practices Internal Medicine and Pediatrics near Worcester, MA.
Additional practice locations include: Brookline, MA and Salem, MA.
See Worcester Internists and Worcester Pediatricians.