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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 (5)

The overall average patient rating of Dr. Charles Mayo is Good. Dr. Mayo has been reviewed by 20 patients who have provided 5 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 4.6
Promptness 4.5
Courteous Staff 4.5
Accurate Diagnosis 4.4
Bedside Manner 4.6
Spends Time with Me 4.5
Follows Up After Visit 4.8

Specialties & Research

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

Education & Awards

Dr. Mayo graduated from MD: University of Minnesota, Minneapolis.


Dr. Mayo has 2 hospital affiliations:

  • Cumberland Memorial Hospital 
  • St Croix Regional Medical Center Inc 


  • Spanish

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Additional Information
Dr. Charles W Mayo MD is a male Psychiatrist, has 23 years of experience and practices in Psychiatry.
Where does Dr. Charles W. Mayo practice?
Dr. Charles Mayo has 2 office locations.
Dr. Charles Mayo practices Psychiatry near Saint Croix Falls, WI.
See Saint Croix Falls Psychiatrists.