{"npi":"1093781445","type":"NPI-1","status":"active","name":{"display":"Xuan Zhang MD","other":[{"code":"2","type":"Professional name","value":"ZHANG, JOHN Q."}],"first":"XUAN","last":"ZHANG","middle":"Q.","credential":"MD"},"specialty":{"primary_taxonomy":"207Q00000X","primary_taxonomy_description":"Family Medicine","slug":"family-medicine","schema_org_specialty":"PrimaryCare","all":[{"code":"207Q00000X","description":"Family Medicine","primary":true,"state":"MA","license":"152462"}]},"addresses":[{"purpose":"LOCATION","street_1":"50 UNION ST","city":"NEWTON","state":"MA","postal_code":"024592223","country_code":"US","phone":"6175275528","fax":"6175277988"},{"purpose":"MAILING","street_1":"50 UNION ST","city":"NEWTON","state":"MA","postal_code":"024592223","country_code":"US","phone":"6175275528","fax":"6175277988"}],"license":{"state":"MA","number":"152462"},"identifiers":[{"type_code":"05","label":"Medicaid","value":"3171922","state":"MA","issuer":null},{"type_code":"01","label":"Other","value":"710570","state":"MA","issuer":"HARVARD PILGRIM HEALTH"},{"type_code":"01","label":"Other","value":"B10341101","state":"MA","issuer":"CIGNA"},{"type_code":"01","label":"Other","value":"J18285","state":"MA","issuer":"BLUE CROSS BLUE SHIELDS"},{"type_code":"01","label":"Other","value":"790578","state":"MA","issuer":"TUFTS HEALTH CARE"},{"type_code":"01","label":"Other","value":"01-00784","state":"MA","issuer":"UNITED HEALTH CARE"},{"type_code":"01","label":"Other","value":"101149","state":"MA","issuer":"AETNA"}],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20100920000014","type_code":"14-08","type_desc":"PRACTITIONER - FAMILY PRACTICE","state":"MA","pac_id":"4183749708"}]},"enumeration_date":"2006-02-27","last_updated":"2010-07-26","_meta":{"source":"NPPES","snapshot_date":"2010-07-26","doc_url":"https://findmynpi.com/api"}}