Browse Health
Addiction Medicine Specialist, Psychiatrist, Adolescent Specialist
32 years of experience
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. William Sullivan:

View the full profile to get information on:

  1. Qualifications
  2. What's important to you

View full profile

Patient Reviews

Patient comments (0)

The overall average patient rating of Dr. William 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
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

  • He has special expertise in 8 areas:
  • Attention Deficit Disorder (ADD) / Attention Deficit Hyperactivity Disorder (ADHD)
  • Bipolar Disorder / Manic Depressive Disorder
  • Depression
  • Depressive Disorder
  • Insomnia
  • Neurology
  • Schizophrenia
  • Sleep Disorders

Education & Awards

Dr. Sullivan graduated from University of Massachusetts, Worcester.


Dr. Sullivan has 4 hospital affiliations:

  • Maine Medical Center 
  • Mercy Hospital 

> > > > Dr. William Sullivan, MD

Similar doctors nearby

Dr. Rachel Higginbotham

9 years experience
South Portland, ME

Dr. Peter Kang

2 years experience
South Portland, ME

Dr. Julian Sacks

South Portland, ME

Dr. Mark Gould

South Portland, ME

Dr. Joan Larkin

37 years experience
South Portland, ME

Dr. Carlyle Voss

46 years experience
Portland, ME
Search All Similar Doctors
Additional Information
Dr. William M Sullivan MD is a male Psychiatrist, has 32 years of experience and practices in Psychiatry, Addiction Medicine, and Addiction Psychiatry.
Where does Dr. William M. Sullivan practice?
Dr. William Sullivan has 4 office locations.
Dr. William Sullivan practices Psychiatry, Addiction Medicine, and Addiction Psychiatry near South Portland, ME.
Additional practice locations include: Portland, ME.
See South Portland Psychiatrists and South Portland Addiction Specialists.