{"npi":"1053421065","type":"NPI-1","status":"active","name":{"display":"Brian Grus MD","other":[],"first":"BRIAN","last":"GRUS","middle":"A","credential":"MD"},"specialty":{"primary_taxonomy":"207R00000X","primary_taxonomy_description":"Internal Medicine","slug":"internal-medicine","schema_org_specialty":"Internal","all":[{"code":"207R00000X","description":"Internal Medicine","primary":true,"state":"MO","license":"101019"}]},"addresses":[{"purpose":"LOCATION","street_1":"20 PROGRESS POINT PKWY STE 108","city":"O FALLON","state":"MO","postal_code":"633682207","country_code":"US","phone":"6363442400"},{"purpose":"MAILING","street_1":"20 PROGRESS POINT PKWY STE 108","city":"O FALLON","state":"MO","postal_code":"633682207","country_code":"US","phone":"6363442400"}],"license":{"state":"MO","number":"101019"},"identifiers":[{"type_code":"05","label":"Medicaid","value":"205144702","state":"MO","issuer":null}],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20070223000563","type_code":"14-11","type_desc":"PRACTITIONER - INTERNAL MEDICINE","state":"MO","pac_id":"4688776511"}]},"enumeration_date":"2006-08-30","last_updated":"2021-02-19","_meta":{"source":"NPPES","snapshot_date":"2021-02-19","doc_url":"https://findmynpi.com/api"}}