HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / AL

KARTHIKEYAN VISWANATHAN, DO

INTERNAL MEDICINE

Graduated: 2014

NPI: 1396128336

Practice Locations (5)

6600 WALL ST

MOBILE, AL 366954512

1600 WEEOT WAY

ARCATA, CA 955214734

577 KELLY WAY

PALO ALTO, CA 943064326

PO BOX, SUITE 769

Redway, CA 955600769

PO BOX, SUITE 769

REDWAY, CA 95560

Source: CMS National Downloadable File, September 2026.

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