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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. Marni Grant:

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Specialties & Research

Dr. Marni Grant, 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. Grant graduated from University of Miami .


Dr. Grant has 3 hospital affiliations:

  • Massachusetts General Hospital 
  • McLean Hospital 
  • Private Office 

> > > > Dr. Marni Grant, MD

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Additional Information
Dr. Marni Joy Grant MD is a female Psychiatrist, has 10 years of experience and practices in Psychiatry.
Where does Dr. Marni J. Grant practice?
Dr. Marni Grant has 1 office location.
Dr. Marni Grant practices Psychiatry near Belmont, MA.
See Belmont Psychiatrists.