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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. David Thomas:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (0)

The overall average patient rating of Dr. David Thomas is Excellent. Dr. Thomas has been reviewed by 1 patients who have provided 0 comments. The rating is 5 out of 5 stars.

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

Specialties & Research

Dr. David Thomas, MD is board certified in 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. Thomas graduated from University of Guadalajara, Mexico, San Antonio.


Dr. Thomas has 1 hospital affiliations:

  • Napa State Hospital 

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Additional Information
Dr. David Earl Thomas MD is a male Psychiatrist, has 34 years of experience and practices in Psychiatry.
Where does Dr. David E. Thomas practice?
Dr. David Thomas has 2 office locations.
Dr. David Thomas practices Psychiatry near Napa, CA.
Additional practice locations include: Conneaut Lake, PA.
See Napa Psychiatrists.