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Psychiatrist, Adolescent Specialist, Addiction Medicine Specialist
15 years of experience
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. Grace Hennessy:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

  • Currently 3 of 4 stars
Patient comments (0)

The overall average patient rating of Dr. Grace Hennessy is Good. Dr. Hennessy has been reviewed by 1 patients who have provided 0 comments. The rating is 3 out of 4 stars.

Specialties & Research

Dr. Grace Hennessy, MD is board certified in Addiction Psychiatry and Psychiatry.

  • She has special expertise in 1 area:
  • Drug Abuse (Substance-Related Addiction Disorders)

Education & Awards

Dr. Hennessy graduated from Tufts University, Boston.


Dr. Hennessy has 3 hospital affiliations:

  • Brooklyn Campus of the VA 
  • New York Harbor Healthcare System 
  • New York Psychiatric Institute 


  • Spanish

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Additional Information
Dr. Grace Hennessy MD is a female Psychiatrist, has 15 years of experience and practices in Psychiatry and Addiction Psychiatry.
Where does Dr. Grace Hennessy practice?
Dr. Grace Hennessy has 1 office location.
Dr. Grace Hennessy practices Psychiatry and Addiction Psychiatry near New York, NY.
See New York Psychiatrists.