{"npi":"1386900397","type":"NPI-1","status":"active","name":{"display":"Vivak Master M.D.","other":[],"first":"VIVAK","last":"MASTER","middle":"MAHENDRA","credential":"M.D."},"specialty":{"primary_taxonomy":"207RC0001X","primary_taxonomy_description":"Clinical Cardiac Electrophysiology Physician","slug":"clinical-cardiac-electrophysiology-physician","schema_org_specialty":null,"all":[{"code":"207RC0000X","description":"Cardiovascular Disease","primary":false,"state":"VA","license":"0101259987"},{"code":"207RC0001X","description":"Clinical Cardiac Electrophysiology Physician","primary":true,"state":"VA","license":"0101259987"}]},"addresses":[{"purpose":"LOCATION","street_1":"4700 PUDDLEDOCK RD STE 400","city":"PRINCE GEORGE","state":"VA","postal_code":"238751268","country_code":"US","phone":"8044581740","fax":"8045411846"},{"purpose":"MAILING","street_1":"8001 FRANKLIN FARMS DR RM 130","city":"RICHMOND","state":"VA","postal_code":"232295100","country_code":"US","phone":"8045215800","fax":"8045454340"}],"license":{"state":"VA","number":"0101259987"},"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20170103000339","type_code":"14-21","type_desc":"PRACTITIONER - CARDIAC ELECTROPHYSIOLOGY","state":"VA","pac_id":"7810203635"}]},"enumeration_date":"2012-04-03","last_updated":"2020-07-30","_meta":{"source":"NPPES","snapshot_date":"2020-07-30","doc_url":"https://findmynpi.com/api"}}