{"npi":"1659337350","type":"NPI-1","status":"active","name":{"display":"Dr. William Gregory MD","other":[],"first":"WILLIAM","last":"GREGORY","middle":"B","credential":"MD"},"specialty":{"primary_taxonomy":"207P00000X","primary_taxonomy_description":"Emergency Medicine","slug":"emergency-medicine","schema_org_specialty":"Emergency","all":[{"code":"207P00000X","description":"Emergency Medicine","primary":true,"state":"CA","license":"A78714"}]},"addresses":[{"purpose":"LOCATION","street_1":"100 W CALIFORNIA BLVD","city":"PASADENA","state":"CA","postal_code":"911053010","country_code":"US","phone":"6263973445","fax":"6263975643"},{"purpose":"MAILING","street_1":"PO BOX 60259","city":"LOS ANGELES","state":"CA","postal_code":"900600259","country_code":"US","phone":"6264470296","fax":"6264476057"}],"license":{"state":"CA","number":"A78714"},"identifiers":[{"type_code":"05","label":"Medicaid","value":"OOA787140","state":"CA","issuer":null}],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20140602001903","type_code":"14-93","type_desc":"PRACTITIONER - EMERGENCY MEDICINE","state":"TX","pac_id":"8022904630"},{"enrlmt_id":"I20161122001877","type_code":"14-93","type_desc":"PRACTITIONER - EMERGENCY MEDICINE","state":"MD","pac_id":"8022904630"},{"enrlmt_id":"I20190422000070","type_code":"14-93","type_desc":"PRACTITIONER - EMERGENCY MEDICINE","state":"SC","pac_id":"8022904630"},{"enrlmt_id":"I20190823002127","type_code":"14-93","type_desc":"PRACTITIONER - EMERGENCY MEDICINE","state":"NV","pac_id":"8022904630"}]},"enumeration_date":"2006-04-22","last_updated":"2008-06-13","_meta":{"source":"NPPES","snapshot_date":"2008-06-13","doc_url":"https://findmynpi.com/api"}}