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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. John Mc Greal:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. John Mc Greal is Excellent. Dr. Mc Greal has been reviewed by 2 patients who have provided 1 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 5.0
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

Dr. John Mc Greal, MD is board certified in Internal Medicine and Pediatrics.

Education & Awards

Dr. Mc Greal graduated from New York University - Mount Sinai.


Dr. Mc Greal has 3 hospital affiliations:

  • Valley Hospital 
  • The Valley Hospital, Ridgewood 
  • Mount Sinai Hospital 

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Additional Information
Dr. John Joseph Mc Greal MD is a male Internist, has 16 years of experience and practices in Internal Medicine and Pediatrics.
Where does Dr. John J. Mc Greal practice?
Dr. John Mc Greal has 1 office location.
Dr. John Mc Greal practices Internal Medicine and Pediatrics near Ridgewood, NJ.
See Ridgewood Internists and Ridgewood Pediatricians.