{"npi":"1932582178","type":"NPI-1","status":"active","name":{"display":"Nathan Frenk MD","other":[],"first":"NATHAN","last":"FRENK","middle":"ELIE","credential":"MD"},"specialty":{"primary_taxonomy":"2085R0204X","primary_taxonomy_description":"Vascular & Interventional Radiology Physician","slug":"vascular-interventional-radiology-physician","schema_org_specialty":null,"all":[{"code":"2085R0204X","description":"Vascular & Interventional Radiology Physician","primary":true,"state":"MA","license":"277166"}]},"addresses":[{"purpose":"LOCATION","street_1":"800 WASHINGTON ST","city":"BOSTON","state":"MA","postal_code":"021111552","country_code":"US","phone":"6176365000"},{"purpose":"MAILING","street_1":"455 HARVARD ST APT 305","city":"BROOKLINE","state":"MA","postal_code":"024462481","country_code":"US","phone":"6174163866"}],"license":{"state":"MA","number":"277166"},"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20200818000066","type_code":"14-30","type_desc":"PRACTITIONER - DIAGNOSTIC RADIOLOGY","state":"DC","pac_id":"4082929492"},{"enrlmt_id":"I20230915003056","type_code":"14-30","type_desc":"PRACTITIONER - DIAGNOSTIC RADIOLOGY","state":"MA","pac_id":"4082929492"}]},"enumeration_date":"2015-07-07","last_updated":"2023-10-12","_meta":{"source":"NPPES","snapshot_date":"2023-10-12","doc_url":"https://findmynpi.com/api"}}