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21 years of experience
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. John Vallian:

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Specialties & Research

  • He has special expertise in 1 area:
  • Weight Loss

Education & Awards

Dr. Vallian graduated from University of Illinois at Chicago.


Dr. Vallian has 4 hospital affiliations:

  • Doctors Hospital of Opelousas 
  • Opelousas General Hospital 


  • French

> > > > Dr. John Vallian, MD

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Additional Information
Dr. John Vallian MD is a male Internist, has 21 years of experience and practices in Internal Medicine.
Where does Dr. John Vallian practice?
Dr. John Vallian has 2 office locations.
Dr. John Vallian practices Internal Medicine near Lawtell, LA.
Additional practice locations include: Opelousas, LA.
See Lawtell Internists.