{"npi":"1629487343","type":"NPI-1","status":"active","name":{"display":"Michael Riordan M.D","other":[],"first":"MICHAEL","last":"RIORDAN","middle":"EDWARD","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":"PA","license":"MD476936"},{"code":"207RC0001X","description":"Clinical Cardiac Electrophysiology Physician","primary":true,"state":"PA","license":"MD476936"}]},"addresses":[{"purpose":"LOCATION","street_1":"915 OLD FERN HILL RD STE 5","city":"WEST CHESTER","state":"PA","postal_code":"193804269","country_code":"US","phone":"6106962850","fax":"6106967159"},{"purpose":"MAILING","street_1":"915 OLD FERN HILL RD STE 5","city":"WEST CHESTER","state":"PA","postal_code":"193804269","country_code":"US","phone":"6106962850","fax":"6106967159"}],"license":{"state":"PA","number":"MD476936"},"identifiers":[{"type_code":"05","label":"Medicaid","value":"1040203810001","state":"PA","issuer":null}],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20220521000345","type_code":"14-21","type_desc":"PRACTITIONER - CARDIAC ELECTROPHYSIOLOGY","state":"PA","pac_id":"1658636832"}]},"enumeration_date":"2014-08-06","last_updated":"2023-01-23","_meta":{"source":"NPPES","snapshot_date":"2023-01-23","doc_url":"https://findmynpi.com/api"}}