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. Rangasamy Ramanathan:

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  1. Qualifications
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Specialties & Research

Dr. Rangasamy Ramanathan, BS, MBBS, MD is board certified in Neonatal-Perinatal Medicine.

  • He has special expertise in 1 area:
  • High-Frequency Ventilation

Education & Awards

Dr. Ramanathan graduated from Madras Medical College, Chennai. He has 1 awards.

Castle Connolly's Top Doctors™ (2012 - 2013)


Dr. Ramanathan has 14 hospital affiliations:

  • Los Angeles County + University of Southern California Medical Center 
  • St. Vincent Medical Center 


  • Tagalog
  • Tamil
  • Chinese
  • Korean
  • Spanish

> > > > Dr. Rangasamy Ramanathan, BS, MBBS, MD

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Additional Information
Dr. Rangasamy Ramanathan BS, MBBS, and MD is a male Neonatologist, has 35 years of experience and practices in Neonatal-Perinatal Medicine.
Where does Dr. Rangasamy Ramanathan practice?
Dr. Rangasamy Ramanathan has 3 office locations.
Dr. Rangasamy Ramanathan practices Neonatal-Perinatal Medicine near Los Angeles, CA.
See Los Angeles Pediatricians.