{"npi":"1629145529","type":"NPI-1","status":"active","name":{"display":"Nelson Arnstein MD","other":[],"first":"NELSON","last":"ARNSTEIN","middle":"BARRITT","credential":"MD"},"specialty":{"primary_taxonomy":"207U00000X","primary_taxonomy_description":"Nuclear Medicine Physician","slug":"nuclear-medicine-physician","schema_org_specialty":null,"all":[{"code":"207U00000X","description":"Nuclear Medicine Physician","primary":true,"state":"CA","license":"G54909"}]},"addresses":[{"purpose":"LOCATION","street_1":"9400 ROSECRANS AVE","city":"BELLFLOWER","state":"CA","postal_code":"907062246","country_code":"US","phone":"5624613000"},{"purpose":"MAILING","street_1":"9400 ROSECRANS AVE","city":"BELLFLOWER","state":"CA","postal_code":"907062246","country_code":"US","phone":"5624613000"}],"license":{"state":"CA","number":"G54909"},"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20100623000601","type_code":"14-36","type_desc":"PRACTITIONER - NUCLEAR MEDICINE","state":"CA","pac_id":"9830220680"}]},"enumeration_date":"2006-11-29","last_updated":"2021-11-22","_meta":{"source":"NPPES","snapshot_date":"2021-11-22","doc_url":"https://findmynpi.com/api"}}