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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 O'Brien:

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Patient Reviews

2.0
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(1)
Patient comments (0)

The overall average patient rating of Dr. John O'Brien is Below Average. Dr. O'Brien has been reviewed by 1 patients who have provided 0 comments. The rating is 2 out of 5 stars.

Specialties & Research

  • He has special expertise in 1 area:
  • Multiple Sclerosis (MS)

Education & Awards

Dr. O'Brien graduated from New York Medical College, Valhalla.


Affiliations

Dr. O'Brien has 3 hospital affiliations:

  • Natchez Community Hospital/Swing Bed 
  • Natchez Regional Medical Center 
  • Natchez Community Hospital 

> > > > Dr. John O'Brien, MD
Additional Information
Dr. John P O'Brien MD is a male Nephrologist, has 50 years of experience and practices in Nephrology.
Where does Dr. John P. O'Brien practice?
Dr. John O'Brien has 1 office location.
Dr. John O'Brien practices Nephrology near Natchez, MS.
See Natchez Nephrologists.