{"npi":"1699713610","type":"NPI-1","status":"active","name":{"display":"Dr. Esther Krug M.D.","other":[],"first":"ESTHER","last":"KRUG","middle":"I","credential":"M.D."},"specialty":{"primary_taxonomy":"207RE0101X","primary_taxonomy_description":"Endocrinology, Diabetes & Metabolism Physician","slug":"endocrinology-diabetes-metabolism-physician","schema_org_specialty":null,"all":[{"code":"207R00000X","description":"Internal Medicine","primary":false,"state":"MD","license":"D0059273"},{"code":"207RE0101X","description":"Endocrinology, Diabetes & Metabolism Physician","primary":true,"state":"MD","license":"D0059273"}]},"addresses":[{"purpose":"LOCATION","street_1":"2435 W BELVEDERE AVE","city":"BALTIMORE","state":"MD","postal_code":"212155224","country_code":"US","street_2":"SUITE 56","phone":"4106015961","fax":"4106019390"},{"purpose":"MAILING","street_1":"PO BOX 64264","city":"BALTIMORE","state":"MD","postal_code":"212644264","country_code":"US","phone":"4105585238"}],"license":{"state":"MD","number":"D0059273"},"identifiers":[{"type_code":"01","label":"Other","value":"110245394","state":"MD","issuer":"R/R MEDICARE PROVIDER #"},{"type_code":"05","label":"Medicaid","value":"510109300","state":"MD","issuer":null},{"type_code":"05","label":"Medicaid","value":"07708152/01","state":"MD","issuer":null},{"type_code":"01","label":"Other","value":"CC3778","state":"MD","issuer":"R/R MEDICARE GROUP #"}],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20100311000361","type_code":"14-46","type_desc":"PRACTITIONER - ENDOCRINOLOGY","state":"MD","pac_id":"1254476526"},{"enrlmt_id":"I20220713003402","type_code":"14-46","type_desc":"PRACTITIONER - ENDOCRINOLOGY","state":"NJ","pac_id":"1254476526"},{"enrlmt_id":"I20220714003432","type_code":"14-46","type_desc":"PRACTITIONER - ENDOCRINOLOGY","state":"NY","pac_id":"1254476526"}]},"enumeration_date":"2006-06-03","last_updated":"2025-03-17","_meta":{"source":"NPPES","snapshot_date":"2025-03-17","doc_url":"https://findmynpi.com/api"}}