{"npi":"1285616359","type":"NPI-1","status":"active","name":{"display":"Dr. Nathan Shumway D.O., Facp","other":[],"first":"NATHAN","last":"SHUMWAY","credential":"D.O., FACP"},"specialty":{"primary_taxonomy":"207RH0003X","primary_taxonomy_description":"Hematology & Oncology","slug":"hematology-oncology","schema_org_specialty":"Oncologic","all":[{"code":"207RX0202X","description":"Medical Oncology Physician","primary":false,"state":"HI","license":"DOS-1014"},{"code":"207RH0003X","description":"Hematology & Oncology","primary":true,"state":"TX","license":"P2528"}]},"addresses":[{"purpose":"LOCATION","street_1":"18707 HARDY OAK BLVD","city":"SAN ANTONIO","state":"TX","postal_code":"782584791","country_code":"US","street_2":"SUITE 320","phone":"2105456972","fax":"2105451016"},{"purpose":"MAILING","street_1":"PO BOX 911230","city":"DALLAS","state":"TX","postal_code":"753911230","country_code":"US","phone":"9729978000","fax":"9722342987"}],"license":{"state":"TX","number":"P2528"},"identifiers":[{"type_code":"01","label":"Other","value":"P01547652","state":"TX","issuer":"RAILROAD MEDICARE"},{"type_code":"05","label":"Medicaid","value":"349764601","state":"TX","issuer":null}],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20150916000624","type_code":"14-83","type_desc":"PRACTITIONER - HEMATOLOGY/ONCOLOGY","state":"TX","pac_id":"1759556004"}]},"enumeration_date":"2005-11-15","last_updated":"2016-01-28","_meta":{"source":"NPPES","snapshot_date":"2016-01-28","doc_url":"https://findmynpi.com/api"}}