{"npi":"1174518906","type":"NPI-1","status":"active","name":{"display":"Douglas Kliewer M. D.","other":[],"first":"DOUGLAS","last":"KLIEWER","middle":"B","credential":"M. D."},"specialty":{"primary_taxonomy":"207RG0100X","primary_taxonomy_description":"Gastroenterology","slug":"gastroenterology","schema_org_specialty":"Gastroenterologic","all":[{"code":"207RG0100X","description":"Gastroenterology","primary":true,"state":"OK","license":"20114"}]},"addresses":[{"purpose":"LOCATION","street_1":"6465 S YALE AVE","city":"TULSA","state":"OK","postal_code":"741367812","country_code":"US","street_2":"SUITE 1002","phone":"9184814706","fax":"9184814765"},{"purpose":"MAILING","street_1":"PO BOX 305","city":"LOWELL","state":"AR","postal_code":"727450305","country_code":"US","phone":"9184814706","fax":"9184814765"}],"license":{"state":"OK","number":"20114"},"identifiers":[{"type_code":"05","label":"Medicaid","value":"100130180A","state":"OK","issuer":null}],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20100927000055","type_code":"14-11","type_desc":"PRACTITIONER - INTERNAL MEDICINE","state":"OK","pac_id":"9335127257"},{"enrlmt_id":"I20230308000063","type_code":"14-11","type_desc":"PRACTITIONER - INTERNAL MEDICINE","state":"TX","pac_id":"9335127257"}]},"enumeration_date":"2005-09-19","last_updated":"2016-03-29","_meta":{"source":"NPPES","snapshot_date":"2016-03-29","doc_url":"https://findmynpi.com/api"}}