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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. Maryellen Davis:

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Specialties & Research

Dr. Maryellen Davis, MD is board certified in Psychiatry.

  • She has special expertise in 10 areas:
  • Adolescent Medicine
  • Adolescent Psychiatry
  • Attention Deficit Disorder (ADD) / Attention Deficit Hyperactivity Disorder (ADHD)
  • Bipolar Disorder / Manic Depressive Disorder
  • Child Psychiatry
  • Depression
  • Depressive Disorder
  • Insomnia
  • Schizophrenia
  • Sleep Disorders

Education & Awards

Dr. Davis graduated from University of Pennsylvania , Philadelphia.


Dr. Davis has 4 hospital affiliations:

  • UH Conneaut Medical Center 
  • University Hospitals Geauga Medical Center 

> > > > Dr. Maryellen Davis, MD

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Additional Information
Dr. Maryellen Davis MD is a female Psychiatrist, has 45 years of experience and practices in Psychiatry.
Where does Dr. Maryellen Davis practice?
Dr. Maryellen Davis has 1 office location.
Dr. Maryellen Davis practices Psychiatry near Cleveland, OH.
See Cleveland Psychiatrists.