{"npi":"1114999851","type":"NPI-1","status":"active","name":{"display":"Dr. Brian Decastro M.D.","other":[],"first":"BRIAN","last":"DECASTRO","middle":"JOHN","credential":"M.D."},"specialty":{"primary_taxonomy":"208800000X","primary_taxonomy_description":"Urology Physician","slug":"urology-physician","schema_org_specialty":null,"all":[{"code":"208800000X","description":"Urology Physician","primary":true,"state":"VA","license":"0101254296"}]},"addresses":[{"purpose":"LOCATION","street_1":"3650 JOSEPH SIEWICK DR STE 305","city":"FAIRFAX","state":"VA","postal_code":"220331714","country_code":"US","phone":"5714720912","fax":"5716656770"},{"purpose":"MAILING","street_1":"PO BOX 37174","city":"BALTIMORE","state":"MD","postal_code":"212973174","country_code":"US","phone":"5714235699","fax":"5714235698"}],"license":{"state":"VA","number":"0101254296"},"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20131105000014","type_code":"14-34","type_desc":"PRACTITIONER - UROLOGY","state":"VA","pac_id":"6709066392"},{"enrlmt_id":"I20221129001101","type_code":"14-34","type_desc":"PRACTITIONER - UROLOGY","state":"DC","pac_id":"6709066392"}]},"enumeration_date":"2006-02-06","last_updated":"2026-04-22","_meta":{"source":"NPPES","snapshot_date":"2026-04-22","doc_url":"https://findmynpi.com/api"}}