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Dr. John Gregg, DO
Primary Care Doctor, Family Practitioner, General Practitioner, Internist
9 years of experience

Video profile
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).

Patient Reviews

Patient comments (5)

The overall average patient rating of Dr. John Gregg is Excellent. Dr. Gregg has been reviewed by 19 patients who have provided 5 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

  • He has special expertise in 3 areas:
  • Diabetes
  • Flu (Human Influenza)
  • High Blood Pressure (Hypertension)

Education & Awards

Dr. Gregg graduated from Nova Southeastern University , Davie. He has 2 awards.

Patients' Choice Award (2014)
Compassionate Doctor Recognition (2014)


Dr. Gregg has 2 hospital affiliations:

  • St. Joseph'S Regional Medical Center 
  • St. Joseph's Wayne Hospital 


  • Spanish

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Additional Information
Dr. John Anthony Gregg DO is a male Family Practitioner, has 9 years of experience and practices in Family Medicine, General Practice, and Internal Medicine.
Where does Dr. John A. Gregg practice?
Dr. John Gregg has 1 office location.
Dr. John Gregg practices Family Medicine, General Practice, and Internal Medicine near Hawthorne, NJ.
See Hawthorne Primary Care Doctors, Hawthorne General Practitioners, and Hawthorne Internists.