{"npi":"1629073192","type":"NPI-1","status":"active","name":{"display":"Dr. Ronald Keyser M.D.","other":[],"first":"RONALD","last":"KEYSER","middle":"EDWARD","credential":"M.D."},"specialty":{"primary_taxonomy":"2080A0000X","primary_taxonomy_description":"Adolescent Medicine","slug":"adolescent-medicine","schema_org_specialty":"Pediatric","all":[{"code":"208000000X","description":"Pediatrics","primary":false,"state":"MD","license":"D-05632"},{"code":"2080A0000X","description":"Adolescent Medicine","primary":true,"state":"MD","license":"D-05632"},{"code":"2083P0901X","description":"Public Health & General Preventive Medicine Physician","primary":false,"state":"MD","license":"D-05632"}]},"addresses":[{"purpose":"LOCATION","street_1":"1302 PENNSYLVANIA AVE","city":"HAGERSTOWN","state":"MD","postal_code":"217423108","country_code":"US","phone":"2403133223","fax":"2403133396"},{"purpose":"MAILING","street_1":"1302 PENNSYLVANIA AVE","city":"HAGERSTOWN","state":"MD","postal_code":"217423108","country_code":"US","phone":"2403133223","fax":"2403133396"}],"license":{"state":"MD","number":"D-05632"},"identifiers":[{"type_code":"01","label":"Other","value":"M-04819","state":"MD","issuer":"CDS #"},{"type_code":"01","label":"Other","value":"D05632","state":"MD","issuer":"PHYSICIAN LICENSE - MD"}],"pecos":{"enrolled_at":null,"enrollments":[]},"enumeration_date":"2005-06-20","last_updated":"2025-09-11","_meta":{"source":"NPPES","snapshot_date":"2025-09-11","doc_url":"https://findmynpi.com/api"}}