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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 (0)

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

Patient Ratings
Ease of Appointment 2.2
Promptness 2.6
Courteous Staff 3.0
Accurate Diagnosis 3.0
Bedside Manner 2.3
Spends Time with Me 2.8
Follows Up After Visit 2.7

Specialties & Research

Dr. John Mezzullo, DO, MD is board certified in Internal Medicine and Psychiatry.

  • He has special expertise in 7 areas:
  • Attention Deficit Disorder (ADD) / Attention Deficit Hyperactivity Disorder (ADHD)
  • Bipolar Disorder / Manic Depressive Disorder
  • Depression
  • Depressive Disorder
  • Insomnia
  • Schizophrenia
  • Sleep Disorders

Education & Awards

Dr. Mezzullo graduated from A.T. Still University - Kirksville.


Dr. Mezzullo has 3 hospital affiliations:

  • Wake Med Raleigh Campus 
  • Carolina East Health System 
  • WakeMed Cary Hospital 

> > > Dr. John Mezzullo, DO, MD

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Additional Information
Dr. John Joseph Mezzullo DO and MD is a male Internist, has 19 years of experience and practices in Internal Medicine and Psychiatry.
Where does Dr. John J. Mezzullo practice?
Dr. John Mezzullo has 2 office locations.
Dr. John Mezzullo practices Internal Medicine and Psychiatry near Trent Woods, NC.
Additional practice locations include: Raleigh, NC.