{"npi":"1912955873","type":"NPI-1","status":"active","name":{"display":"Dr. Ellen Yang M.D.","other":[],"first":"ELLEN","last":"YANG","middle":"Y","credential":"M.D."},"specialty":{"primary_taxonomy":"174400000X","primary_taxonomy_description":"Specialist","slug":"specialist","schema_org_specialty":null,"all":[{"code":"174400000X","description":"Specialist","primary":true,"state":"MD","license":"D52170"}]},"addresses":[{"purpose":"LOCATION","street_1":"49 OLD SOLOMONS ISLAND RD","city":"ANNAPOLIS","state":"MD","postal_code":"214013854","country_code":"US","street_2":"SUITE 104","phone":"4105739511","fax":"4105734816"},{"purpose":"MAILING","street_1":"PO BOX 1927","city":"EDGEWATER","state":"MD","postal_code":"210377927","country_code":"US","phone":"4105739511","fax":"4105734816"}],"license":{"state":"MD","number":"D52170"},"identifiers":[{"type_code":"05","label":"Medicaid","value":"611500400","state":"MD","issuer":null},{"type_code":"01","label":"Other","value":"54608103","state":"MD","issuer":"CAREFIRST BCBS"},{"type_code":"01","label":"Other","value":"R9960002","state":"DC","issuer":"CAREFIRST BCBS/DC"}],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20101109001482","type_code":"14-44","type_desc":"PRACTITIONER - INFECTIOUS DISEASE","state":"MD","pac_id":"8921192352"}]},"enumeration_date":"2006-05-04","last_updated":"2011-07-08","_meta":{"source":"NPPES","snapshot_date":"2011-07-08","doc_url":"https://findmynpi.com/api"}}