{"npi":"1104972835","type":"NPI-1","status":"active","name":{"display":"Christian Meyer M.D., Ph. D.","other":[],"first":"CHRISTIAN","last":"MEYER","middle":"FREDERICK","credential":"M.D., PH. D."},"specialty":{"primary_taxonomy":"207RX0202X","primary_taxonomy_description":"Medical Oncology Physician","slug":"medical-oncology-physician","schema_org_specialty":null,"all":[{"code":"207RX0202X","description":"Medical Oncology Physician","primary":true,"state":"MD","license":"D61769"}]},"addresses":[{"purpose":"LOCATION","street_1":"401 N. BROADWAY","city":"BALTIMORE","state":"MD","postal_code":"21231","country_code":"US","phone":"4105025940"},{"purpose":"MAILING","street_1":"PO BOX 64474","city":"BALTIMORE","state":"MD","postal_code":"212644474","country_code":"US","phone":"4109558964"}],"license":{"state":"MD","number":"D61769"},"identifiers":[{"type_code":"05","label":"Medicaid","value":"420197300","state":"MD","issuer":null}],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20101214000493","type_code":"14-90","type_desc":"PRACTITIONER - MEDICAL ONCOLOGY","state":"MD","pac_id":"1355538505"},{"enrlmt_id":"I20241203002024","type_code":"14-90","type_desc":"PRACTITIONER - MEDICAL ONCOLOGY","state":"DC","pac_id":"1355538505"}]},"enumeration_date":"2007-01-26","last_updated":"2013-02-14","_meta":{"source":"NPPES","snapshot_date":"2013-02-14","doc_url":"https://findmynpi.com/api"}}