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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 Diehl:

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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 Diehl is Good. Dr. Diehl has been reviewed by 7 patients who have provided 0 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.3
Promptness 5.0
Courteous Staff 5.0
Accurate Diagnosis 4.5
Bedside Manner 4.5
Spends Time with Me 4.5
Follows Up After Visit 5.0

Specialties & Research

Dr. David Diehl, MD is board certified in Geriatric Psychiatry and Psychiatry.

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

Education & Awards

Dr. Diehl graduated from University of Michigan Medical School, Ann Arbor.


Dr. Diehl has 3 hospital affiliations:

  • Saint Joseph Mercy Saline Hospital 
  • Saint Joseph Mercy Hospital 
  • St. Joseph Mercy Ann Arbor 

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Additional Information
Dr. David James Diehl MD is a male Geriatic Psychiatrist, has 23 years of experience and practices in Psychiatry and Geriatric Psychiatry.
Where does Dr. David J. Diehl practice?
Dr. David Diehl has 1 office location.
Dr. David Diehl practices Psychiatry and Geriatric Psychiatry near Saline, MI.
See Saline Psychiatrists.