{"npi":"1003985367","type":"NPI-1","status":"active","name":{"display":"Robert Siegel M.D.","other":[],"first":"ROBERT","last":"SIEGEL","middle":"STEVEN","credential":"M.D."},"specialty":{"primary_taxonomy":"207RH0003X","primary_taxonomy_description":"Hematology & Oncology","slug":"hematology-oncology","schema_org_specialty":"Oncologic","all":[{"code":"207RH0003X","description":"Hematology & Oncology","primary":true,"state":"DC","license":"MD13567"},{"code":"207RH0003X","description":"Hematology & Oncology","primary":false,"state":"MD","license":"D43361"}]},"addresses":[{"purpose":"LOCATION","street_1":"2150 PENNSYLVANIA AVE NW","city":"WASHINGTON","state":"DC","postal_code":"200373201","country_code":"US","phone":"2027413333","fax":"2027413396"},{"purpose":"MAILING","street_1":"2150 PENNSYLVANIA AVE NW","city":"WASHINGTON","state":"DC","postal_code":"200373201","country_code":"US","phone":"2027413333","fax":"2027413396"}],"license":{"state":"DC","number":"MD13567"},"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20101105000628","type_code":"14-83","type_desc":"PRACTITIONER - HEMATOLOGY/ONCOLOGY","state":"DC","pac_id":"6901090794"}]},"enumeration_date":"2006-11-08","last_updated":"2007-07-08","_meta":{"source":"NPPES","snapshot_date":"2007-07-08","doc_url":"https://findmynpi.com/api"}}