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19 years of experience
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. Ruth Karunananthan:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (7)

The overall average patient rating of Dr. Ruth Karunananthan is Good. Dr. Karunananthan has been reviewed by 10 patients who have provided 7 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.0
Promptness 3.7
Courteous Staff 3.9
Accurate Diagnosis 4.0
Bedside Manner 4.0
Spends Time with Me 4.0
Follows Up After Visit 3.8

Specialties & Research

Dr. Ruth Karunananthan, MBBS, MD is board certified in Internal Medicine.

Education & Awards

Dr. Karunananthan graduated from University Of Zimbabwe, Harare.


Dr. Karunananthan has 10 hospital affiliations:

  • Huntington Hospital 
  • Foothill Presbyterian Hospital 


  • Tamil
  • English

> > > > Dr. Ruth Karunananthan, MBBS, MD

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Additional Information
Dr. Ruth Manjula Karunananthan MBBS and MD is a female Internist, has 19 years of experience and practices in Internal Medicine.
Where does Dr. Ruth M. Karunananthan practice?
Dr. Ruth Karunananthan has 1 office location.
Dr. Ruth Karunananthan practices Internal Medicine near West Covina, CA.
See West Covina Internists.