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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. Arun Krishnan:

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Specialties & Research

Dr. Arun Krishnan, MD is board certified in Diagnostic Radiology and Neuroradiology.

  • He has special expertise in 5 areas:
  • AIDS/HIV (Acquired Immunodeficiency Syndrome)
  • Aneurysm
  • Bell's Palsy
  • Hearing Loss
  • Seizure Disorders

Education & Awards

Dr. Krishnan graduated from University of Mississippi , Jackson.


Dr. Krishnan has 13 hospital affiliations:

  • Sutter Davis Hospital 
  • Sutter Roseville Medical Center 


  • English
  • Tamil

> > > > Dr. Arun Krishnan, MD

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Additional Information
Dr. Arun R Krishnan MD is a male Diagnostic Radiologist, has 14 years of experience and practices in Diagnostic Radiology and Neuroradiology.
Where does Dr. Arun R. Krishnan practice?
Dr. Arun Krishnan has 1 office location.
Dr. Arun Krishnan practices Diagnostic Radiology and Neuroradiology near Sacramento, CA.
See Sacramento Radiologists.