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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. Janaki Ramanathan:

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Specialties & Research

Dr. Janaki Ramanathan, MD is board certified in Diagnostic Radiology.

Education & Awards

Dr. Ramanathan graduated from The University of Texas at Galveston.


Dr. Ramanathan has 11 hospital affiliations:

  • California Pacific Medical Center - Davies Campus 
  • Novato Community Hospital 


  • Tamil
  • English

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Additional Information
Dr. Janaki N Ramanathan MD is a female Diagnostic Radiologist, has 13 years of experience and practices in Diagnostic Radiology.
Where does Dr. Janaki N. Ramanathan practice?
Dr. Janaki Ramanathan has 2 office locations.
Dr. Janaki Ramanathan practices Diagnostic Radiology near Novato, CA.
Additional practice locations include: San Francisco, CA.
See Novato Radiologists.