Placeholder Photo for Troy A. Johnston, MD

Dr. Troy Johnston is a cardiologist specializing in the diagnosis, treatment & management of heart conditions in patients near Seattle, WA.


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Seattle Children's Hospital  


4800 Sand Point Way Ne, Seattle, WA 98105-3901

Office Details

Doctor Specialties Cardiology & Pediatrics
Languages Spoken English

Insurance Accepted  

  • Medicare

About Dr. Johnston
Dr. Johnston



Dr. Troy Johnston graduated from University of Virginia School of Medicine in 1991.

Dr. Johnston has one office in Washington where he specializes in Cardiology and Pediatrics.

Dr. Johnston works with two hundred and nineteen doctors including Dr. Mark Zobel and Dr. Coral Hanevold.


Education & Training