{"npi":"1407851587","type":"NPI-1","status":"active","name":{"display":"Dr. Steven Rock M.D.","other":[],"first":"STEVEN","last":"ROCK","middle":"DOUGLAS","credential":"M.D."},"specialty":{"primary_taxonomy":"208800000X","primary_taxonomy_description":"Urology Physician","slug":"urology-physician","schema_org_specialty":null,"all":[{"code":"208800000X","description":"Urology Physician","primary":false,"state":"WA","license":"MD70034077"},{"code":"174400000X","description":"Specialist","primary":false,"state":"MD","license":"D0051424"},{"code":"208800000X","description":"Urology Physician","primary":true,"state":"MD","license":"D0051424"}]},"addresses":[{"purpose":"LOCATION","street_1":"1193 BUNKER AVE","city":"ARNOLD","state":"MD","postal_code":"210121847","country_code":"US","phone":"4106104659","fax":"4107013444"},{"purpose":"MAILING","street_1":"1193 BUNKER AVE","city":"ARNOLD","state":"MD","postal_code":"210121847","country_code":"US","phone":"4106104659","fax":"4107013444"}],"license":{"state":"MD","number":"D0051424"},"identifiers":[{"type_code":"05","label":"Medicaid","value":"011304200","state":"MD","issuer":null}],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20070912000641","type_code":"14-34","type_desc":"PRACTITIONER - UROLOGY","state":"DC","pac_id":"9032202692"},{"enrlmt_id":"I20111219000440","type_code":"14-34","type_desc":"PRACTITIONER - UROLOGY","state":"MD","pac_id":"9032202692"},{"enrlmt_id":"I20251029003314","type_code":"14-34","type_desc":"PRACTITIONER - UROLOGY","state":"WA","pac_id":"9032202692"}]},"enumeration_date":"2005-06-16","last_updated":"2025-10-15","_meta":{"source":"NPPES","snapshot_date":"2025-10-15","doc_url":"https://findmynpi.com/api"}}