{"npi":"1295962603","type":"NPI-1","status":"active","name":{"display":"Dr. Marcus Walton M.D.","other":[],"first":"MARCUS","last":"WALTON","middle":"ANTONIO","credential":"M.D."},"specialty":{"primary_taxonomy":"207RC0200X","primary_taxonomy_description":"Critical Care Medicine (Internal Medicine) Physician","slug":"critical-care-medicine-internal-medicine-physician","schema_org_specialty":null,"all":[{"code":"171000000X","description":"Military Health Care Provider","primary":false,"state":null,"license":null},{"code":"207RC0200X","description":"Critical Care Medicine (Internal Medicine) Physician","primary":true,"state":"FL","license":"ME141572"}]},"addresses":[{"purpose":"LOCATION","street_1":"620 JHN PAUL JNS CIR","city":"PORTSMOUTH","state":"VA","postal_code":"237082111","country_code":"US","phone":"7579533149"},{"purpose":"MAILING","street_1":"100 PARKVIEW AVE","city":"PORTSMOUTH","state":"VA","postal_code":"237041932","country_code":"US","phone":"4043745867"}],"license":{"state":"FL","number":"ME141572"},"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20191105000526","type_code":"14-05","type_desc":"PRACTITIONER - ANESTHESIOLOGY","state":"FL","pac_id":"2668704040"},{"enrlmt_id":"I20200427002002","type_code":"14-05","type_desc":"PRACTITIONER - ANESTHESIOLOGY","state":"GA","pac_id":"2668704040"}]},"enumeration_date":"2009-06-12","last_updated":"2022-01-04","_meta":{"source":"NPPES","snapshot_date":"2022-01-04","doc_url":"https://findmynpi.com/api"}}