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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. Johnathan Greenfield:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (35)

The overall average patient rating of Dr. Johnathan Greenfield, Psychiatrist is Below Average. Dr. Greenfield has been reviewed by 56 patients who have provided 35 comments. The rating is 2 out of 5 stars.

Patient Ratings
Ease of Appointment 1.9
Promptness 1.4
Courteous Staff 1.8
Accurate Diagnosis 1.8
Bedside Manner 1.7
Spends Time with Me 1.5
Follows Up After Visit 1.4

Specialties & Research

  • He has special expertise in 3 areas:
  • Alzheimer Disease
  • Child Psychiatry
  • Drug Abuse (Substance-Related Addiction Disorders)

Education & Awards

Dr. Greenfield graduated from University of Miami . He has 2 awards.

Outstanding resident 2001 u of m/ jackson mem hosp/dept of psych & behavorial scienc
Outstanding med record documentation award 1999,2000,2002 u of m/ jackson mem hosp/dept of psych & behavorial scienc


Dr. Greenfield has 3 hospital affiliations:

  • Columbia Hospital 
  • Saint Mary's Medical Center 
  • St. Mary's Hospital 


  • Spanish

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Additional Information
Dr. Johnathan C Greenfield MD is a male Geriatic Psychiatrist, has 14 years of experience and practices in Geriatric Psychiatry.
Where does Dr. Johnathan C. Greenfield practice?
Dr. Johnathan Greenfield has 1 office location.
Dr. Johnathan Greenfield practices Geriatric Psychiatry near West Palm Beach, FL.
See West Palm Beach Psychiatrists.