{"npi":"1104841501","type":"NPI-1","status":"active","name":{"display":"Dean Williams M.D.","other":[],"first":"DEAN","last":"WILLIAMS","middle":"J","credential":"M.D."},"specialty":{"primary_taxonomy":"207P00000X","primary_taxonomy_description":"Emergency Medicine","slug":"emergency-medicine","schema_org_specialty":"Emergency","all":[{"code":"207P00000X","description":"Emergency Medicine","primary":false,"state":"IA","license":"MD-48063"},{"code":"207P00000X","description":"Emergency Medicine","primary":false,"state":"WI","license":"61394-20"},{"code":"207P00000X","description":"Emergency Medicine","primary":false,"state":"NE","license":"26916"},{"code":"207P00000X","description":"Emergency Medicine","primary":false,"state":"PA","license":"MD418570"},{"code":"207P00000X","description":"Emergency Medicine","primary":true,"state":"CO","license":"48666"},{"code":"207P00000X","description":"Emergency Medicine","primary":false,"state":"HI","license":"MD17020"},{"code":"207P00000X","description":"Emergency Medicine","primary":false,"state":"CA","license":"C205088"},{"code":"207P00000X","description":"Emergency Medicine","primary":false,"state":"ND","license":"15305"}]},"addresses":[{"purpose":"LOCATION","street_1":"PO BOX 252","city":"ERIE","state":"CO","postal_code":"805160252","country_code":"US","phone":"7205051753"},{"purpose":"MAILING","street_1":"PO BOX 252","city":"ERIE","state":"CO","postal_code":"805160252","country_code":"US","phone":"7205051753"}],"license":{"state":"CO","number":"48666"},"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20110131000239","type_code":"14-93","type_desc":"PRACTITIONER - EMERGENCY MEDICINE","state":"CO","pac_id":"6103721758"},{"enrlmt_id":"I20121009000644","type_code":"14-93","type_desc":"PRACTITIONER - EMERGENCY MEDICINE","state":"NE","pac_id":"6103721758"},{"enrlmt_id":"I20160107002225","type_code":"14-93","type_desc":"PRACTITIONER - EMERGENCY MEDICINE","state":"PA","pac_id":"6103721758"},{"enrlmt_id":"I20190503000548","type_code":"14-93","type_desc":"PRACTITIONER - EMERGENCY MEDICINE","state":"MD","pac_id":"6103721758"},{"enrlmt_id":"I20191101000076","type_code":"14-93","type_desc":"PRACTITIONER - EMERGENCY MEDICINE","state":"TX","pac_id":"6103721758"},{"enrlmt_id":"I20200411000296","type_code":"14-93","type_desc":"PRACTITIONER - EMERGENCY MEDICINE","state":"ND","pac_id":"6103721758"},{"enrlmt_id":"I20210426000076","type_code":"14-93","type_desc":"PRACTITIONER - EMERGENCY MEDICINE","state":"IA","pac_id":"6103721758"}]},"enumeration_date":"2006-07-13","last_updated":"2026-06-02","_meta":{"source":"NPPES","snapshot_date":"2026-06-02","doc_url":"https://findmynpi.com/api"}}