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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. Geary Ahern:

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Patient Reviews

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The overall average patient rating of Dr. Geary Ahern is Excellent. Dr. Ahern has been reviewed by 2 patients who have provided 0 comments. The rating is 4.5 out of 5 stars.

Specialties & Research

Dr. Geary Ahern, 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. Ahern graduated from State University of New York Downstate, Brooklyn.


Dr. Ahern has 1 hospital affiliations:

  • Helen Hayes Hospital 

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Additional Information
Dr. Geary Edward Ahern MD is a male Psychiatrist, has 36 years of experience and practices in Psychiatry.
Where does Dr. Geary E. Ahern practice?
Dr. Geary Ahern has 1 office location.
Dr. Geary Ahern practices Psychiatry near New York, NY.
See New York Psychiatrists.