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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. Mary Poonen, Psychiatrist is Good. Dr. Poonen has been reviewed by 10 patients who have provided 5 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 2.9
Promptness 2.6
Courteous Staff 2.3
Accurate Diagnosis 3.4
Bedside Manner 2.9
Spends Time with Me 3.0
Follows Up After Visit 3.1

Specialties & Research

Dr. Mary Poonen, MD is board certified in Psychiatry.

  • She 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. Poonen graduated from Madras Medical College, Chennai.


Dr. Poonen has 3 hospital affiliations:

  • Fountain Valley Regional Hospital & Medical Center 
  • Hoag Memorial Hospital Presbyterian 
  • Fountain Valley Regional Hospital and Med Center 

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Additional Information
Dr. Mary Poonen MD is a female Psychiatrist, has 37 years of experience and practices in Psychiatry.
Where does Dr. Mary Poonen practice?
Dr. Mary Poonen has 2 office locations.
Dr. Mary Poonen practices Psychiatry near Lake Forest, CA.
Additional practice locations include: Huntington Beach, CA.
See Lake Forest Psychiatrists.