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Psychiatrist, Adolescent Specialist, Addiction Medicine Specialist
32 years of experience
Video profile
Accepting new patients
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. William Greenberg:

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  1. Qualifications
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Specialties & Research

Dr. William Greenberg, MD is board certified in Psychiatry.

  • He has special expertise in 1 area:
  • Obsessive-Compulsive Disorder (OCD)

Education & Awards

Dr. Greenberg graduated from Yeshiva University, Bronx.


Dr. Greenberg has 3 hospital affiliations:

  • Nyack Hospital 
  • Good Samaritan Hospital 
  • Bergen Regional Medical Center 


  • Spanish

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Additional Information
Dr. William Michael Greenberg MD is a male Psychiatrist, has 32 years of experience and practices in Psychiatry, Addiction Psychiatry, and Forensic Psychiatry.
Where does Dr. William M. Greenberg practice?
Dr. William Greenberg has 3 office locations.
Dr. William Greenberg practices Psychiatry, Addiction Psychiatry, and Forensic Psychiatry near Ridgewood, NJ.
Additional practice locations include: Pomona, NY.
See Ridgewood Psychiatrists.