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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 (6)

The overall average patient rating of Dr. John Sullivan, Surgeon is Excellent. Dr. Sullivan has been reviewed by 14 patients who have provided 6 comments. The rating is 5 out of 5 stars.

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

Education & Awards

Dr. Sullivan graduated from University of Michigan Medical School, Ann Arbor. He has 3 awards.

Patients' Choice Award (2011 - 2014)
Compassionate Doctor Recognition (2012 - 2014)
On-Time Doctor Award (2014)


Dr. Sullivan has 6 hospital affiliations:

  • Ennis Regional Medical Center 
  • Methodist Dallas Medical Center 


  • Portuguese
  • Spanish
  • English

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Additional Information
Dr. John M Sullivan MD is a male Vascular Surgeon, has 11 years of experience and practices in Vascular Surgery.
Where does Dr. John M. Sullivan practice?
Dr. John Sullivan has 1 office location.
Dr. John Sullivan practices Vascular Surgery near Ennis, TX.
See Ennis Surgeons.