{"npi":"1922329663","type":"NPI-1","status":"active","name":{"display":"Katherine Callaghan M.D.","other":[],"first":"KATHERINE","last":"CALLAGHAN","middle":"M","credential":"M.D."},"specialty":{"primary_taxonomy":"207V00000X","primary_taxonomy_description":"Obstetrics & Gynecology","slug":"ob-gyn","schema_org_specialty":"Obstetric","all":[{"code":"207V00000X","description":"Obstetrics & Gynecology","primary":true,"state":"MA","license":"259143"}]},"addresses":[{"purpose":"LOCATION","street_1":"328 SHREWSBURY ST","city":"WORCESTER","state":"MA","postal_code":"016045465","country_code":"US","phone":"5087554861","fax":"5087521392"},{"purpose":"MAILING","street_1":"328 SHREWSBURY ST","city":"WORCESTER","state":"MA","postal_code":"016045465","country_code":"US"}],"license":{"state":"MA","number":"259143"},"identifiers":[{"type_code":"05","label":"Medicaid","value":"110099641A","state":"MA","issuer":null}],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20140827001355","type_code":"14-16","type_desc":"PRACTITIONER - OBSTETRICS/GYNECOLOGY","state":"MA","pac_id":"7315178571"}]},"enumeration_date":"2010-06-17","last_updated":"2024-11-26","_meta":{"source":"NPPES","snapshot_date":"2024-11-26","doc_url":"https://findmynpi.com/api"}}