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. Janaka Periyapperuma:

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Specialties & Research

Dr. Janaka Periyapperuma, MD is board certified in Internal Medicine.

Education & Awards

Dr. Periyapperuma graduated from University of Colombo, Sri Lanka.


Dr. Periyapperuma has 3 hospital affiliations:

  • Danbury Hospital 
  • New Milford Hospital 
  • Danbury Hospital, The, Danbury CT 


  • Spanish

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Additional Information
Dr. Janaka Manoj Kumar Periyapperuma MD is a male Internist, has 14 years of experience and practices in Internal Medicine.
Where does Dr. Janaka M. Periyapperuma practice?
Dr. Janaka Periyapperuma has 1 office location.
Dr. Janaka Periyapperuma practices Internal Medicine near Danbury, CT.
See Danbury Internists.