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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. William Callahan:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. William Callahan is Poor. Dr. Callahan has been reviewed by 1 patients who have provided 1 comments. The rating is 1 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 5.0
Courteous Staff 5.0
Accurate Diagnosis 1.0
Bedside Manner 5.0
Spends Time with Me 1.0
Follows Up After Visit 1.0

Specialties & Research

  • 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. Callahan graduated from University of Minnesota, Twin Cities, Minneapolis.


Dr. Callahan has 1 hospital affiliations:

  • University of Minnesota Medical Center, Fairview 

> > > > Dr. William Callahan, MD

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Additional Information
Dr. William Anthony Callahan MD is a male Psychiatrist and practices in Psychiatry.
Where does Dr. William A. Callahan practice?
Dr. William Callahan has 1 office location.
Dr. William Callahan practices Psychiatry near Minneapolis, MN.
See Minneapolis Psychiatrists.