{"npi":"1184695488","type":"NPI-1","status":"active","name":{"display":"Gregorio Joel Castillo M.D.","other":[],"first":"GREGORIO JOEL","last":"CASTILLO","middle":"ASUNCION","credential":"M.D."},"specialty":{"primary_taxonomy":"207R00000X","primary_taxonomy_description":"Internal Medicine","slug":"internal-medicine","schema_org_specialty":"Internal","all":[{"code":"207R00000X","description":"Internal Medicine","primary":true,"state":"TX","license":"J8950"}]},"addresses":[{"purpose":"LOCATION","street_1":"10501 VISTA DEL SOL DR","city":"EL PASO","state":"TX","postal_code":"799257940","country_code":"US","street_2":"SUITE 200","phone":"9155928880","fax":"9155928883"},{"purpose":"MAILING","street_1":"10501 VISTA DEL SOL DR","city":"EL PASO","state":"TX","postal_code":"799257940","country_code":"US","street_2":"SUITE 200","phone":"9155928880","fax":"9155928883"}],"license":{"state":"TX","number":"J8950"},"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20040917000519","type_code":"14-11","type_desc":"PRACTITIONER - INTERNAL MEDICINE","state":"TX","pac_id":"0042288128"}]},"enumeration_date":"2006-01-27","last_updated":"2011-11-07","_meta":{"source":"NPPES","snapshot_date":"2011-11-07","doc_url":"https://findmynpi.com/api"}}