{"npi":"1811239825","type":"NPI-1","status":"active","name":{"display":"Mrs. Karen Hilger R.D.","other":[{"code":"1","type":"Formerly known as","value":"JOHNSTON, KAREN S"}],"first":"KAREN","last":"HILGER","middle":"S","credential":"R.D."},"specialty":{"primary_taxonomy":"133V00000X","primary_taxonomy_description":"Registered Dietitian","slug":"registered-dietitian","schema_org_specialty":null,"all":[{"code":"133V00000X","description":"Registered Dietitian","primary":true,"state":null,"license":null}]},"addresses":[{"purpose":"LOCATION","street_1":"1890 METRO CENTER DR","city":"RESTON","state":"VA","postal_code":"201905286","country_code":"US","street_2":"KAISER PERMANENTE RESTON MEDICAL CENTER","phone":"7037091500"},{"purpose":"MAILING","street_1":"2101 E JEFFERSON ST","city":"ROCKVILLE","state":"MD","postal_code":"208524908","country_code":"US","street_2":"KAISER PERMANENTE MEDICARE ENROLLMENT","phone":"3018162424"}],"license":null,"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20130625000302","type_code":"14-71","type_desc":"PRACTITIONER - REGISTERED DIETITIAN OR NUTRITION PROFESSIONAL","state":"DC","pac_id":"8123267044"},{"enrlmt_id":"I20150310001116","type_code":"14-71","type_desc":"PRACTITIONER - REGISTERED DIETITIAN OR NUTRITION PROFESSIONAL","state":"VA","pac_id":"8123267044"},{"enrlmt_id":"I20251017004176","type_code":"14-71","type_desc":"PRACTITIONER - REGISTERED DIETITIAN OR NUTRITION PROFESSIONAL","state":"MD","pac_id":"8123267044"}]},"enumeration_date":"2013-03-18","last_updated":"2021-06-02","_meta":{"source":"NPPES","snapshot_date":"2021-06-02","doc_url":"https://findmynpi.com/api"}}