{"npi":"1124464789","type":"NPI-1","status":"active","name":{"display":"Dr. Karen Ma MD, PHARMD","other":[],"first":"KAREN","last":"MA","middle":"HSIA","credential":"MD, PHARMD"},"specialty":{"primary_taxonomy":"207RG0100X","primary_taxonomy_description":"Gastroenterology","slug":"gastroenterology","schema_org_specialty":"Gastroenterologic","all":[{"code":"207RG0100X","description":"Gastroenterology","primary":true,"state":"IL","license":"036-139551"}]},"addresses":[{"purpose":"LOCATION","street_1":"155 E BRUSH HILL RD","city":"ELMHURST","state":"IL","postal_code":"601265658","country_code":"US","phone":"3312219003","fax":"3312212743"},{"purpose":"MAILING","street_1":"4201 WINFIELD RD","city":"WARRENVILLE","state":"IL","postal_code":"605554025","country_code":"US","phone":"3312216377","fax":"3312212357"}],"license":{"state":"IL","number":"036-139551"},"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20190819003860","type_code":"14-10","type_desc":"PRACTITIONER - GASTROENTEROLOGY","state":"IL","pac_id":"0244522597"}]},"enumeration_date":"2013-05-21","last_updated":"2022-01-13","_meta":{"source":"NPPES","snapshot_date":"2022-01-13","doc_url":"https://findmynpi.com/api"}}