{"npi":"1043672835","type":"NPI-1","status":"active","name":{"display":"Michael O'halleran MD","other":[],"first":"MICHAEL","last":"O'HALLERAN","credential":"MD"},"specialty":{"primary_taxonomy":"208000000X","primary_taxonomy_description":"Pediatrics","slug":"pediatrics","schema_org_specialty":"Pediatric","all":[{"code":"208000000X","description":"Pediatrics","primary":true,"state":"NY","license":"323856"}]},"addresses":[{"purpose":"LOCATION","street_1":"121 DEKALB AVE","city":"BROOKLYN","state":"NY","postal_code":"112015425","country_code":"US","phone":"7182506917"},{"purpose":"MAILING","street_1":"121 DEKALB AVE","city":"BROOKLYN","state":"NY","postal_code":"112015425","country_code":"US"}],"license":{"state":"NY","number":"323856"},"identifiers":[{"type_code":"05","label":"Medicaid","value":"110435200","state":"FL","issuer":null}],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20250509001411","type_code":"14-37","type_desc":"PRACTITIONER - PEDIATRIC MEDICINE","state":"NY","pac_id":"2062845720"}]},"enumeration_date":"2016-03-22","last_updated":"2025-04-30","_meta":{"source":"NPPES","snapshot_date":"2025-04-30","doc_url":"https://findmynpi.com/api"}}