{"npi":"1245229640","type":"NPI-1","status":"active","name":{"display":"Dr. Mark Grieves CRNA, Dnap","other":[],"first":"MARK","last":"GRIEVES","credential":"CRNA, DNAP"},"specialty":{"primary_taxonomy":"367500000X","primary_taxonomy_description":"Certified Registered Nurse Anesthetist","slug":"certified-registered-nurse-anesthetist","schema_org_specialty":null,"all":[{"code":"367500000X","description":"Certified Registered Nurse Anesthetist","primary":false,"state":"NE","license":"100838"},{"code":"367500000X","description":"Certified Registered Nurse Anesthetist","primary":false,"state":"OH","license":"COA.11621-NA"},{"code":"367500000X","description":"Certified Registered Nurse Anesthetist","primary":true,"state":"IA","license":"D140600"}]},"addresses":[{"purpose":"LOCATION","street_1":"1221 S GEAR AVE","city":"WEST BURLINGTON","state":"IA","postal_code":"526551679","country_code":"US","phone":"3197683030"},{"purpose":"MAILING","street_1":"1221 S GEAR AVE","city":"WEST BURLINGTON","state":"IA","postal_code":"526551679","country_code":"US","phone":"3197683030"}],"license":{"state":"IA","number":"D140600"},"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20151023001570","type_code":"14-43","type_desc":"PRACTITIONER - CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)","state":"IA","pac_id":"3375736796"}]},"enumeration_date":"2005-10-18","last_updated":"2016-03-08","_meta":{"source":"NPPES","snapshot_date":"2016-03-08","doc_url":"https://findmynpi.com/api"}}