{"npi":"1366539934","type":"NPI-1","status":"active","name":{"display":"Cecilia Larson MD","other":[],"first":"CECILIA","last":"LARSON","credential":"MD"},"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":"MA","license":"76286"},{"code":"207RE0101X","description":"Endocrinology, Diabetes & Metabolism Physician","primary":true,"state":"MA","license":"76286"}]},"addresses":[{"purpose":"LOCATION","street_1":"148 CHESTNUT ST","city":"NEEDHAM","state":"MA","postal_code":"024922505","country_code":"US","street_2":"JOSLIN CLINIC","phone":"7814535231","fax":"7814533654"},{"purpose":"MAILING","street_1":"105 OVERBROOK DR","city":"WELLESLEY","state":"MA","postal_code":"024821044","country_code":"US"}],"license":{"state":"MA","number":"76286"},"identifiers":[{"type_code":"01","label":"Other","value":"76286","state":"MA","issuer":"MEDICAL LICENSE"}],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20061211000357","type_code":"14-46","type_desc":"PRACTITIONER - ENDOCRINOLOGY","state":"MA","pac_id":"1850390337"}]},"enumeration_date":"2006-10-06","last_updated":"2011-12-16","_meta":{"source":"NPPES","snapshot_date":"2011-12-16","doc_url":"https://findmynpi.com/api"}}