{"npi":"1265477558","type":"NPI-1","status":"active","name":{"display":"Gregg Harvison M.D.","other":[],"first":"GREGG","last":"HARVISON","credential":"M.D."},"specialty":{"primary_taxonomy":"207Q00000X","primary_taxonomy_description":"Family Medicine","slug":"family-medicine","schema_org_specialty":"PrimaryCare","all":[{"code":"207Q00000X","description":"Family Medicine","primary":true,"state":"SD","license":"4241"}]},"addresses":[{"purpose":"LOCATION","street_1":"1200 S 7TH AVE","city":"SIOUX FALLS","state":"SD","postal_code":"571050998","country_code":"US","street_2":"STE 2","phone":"6053362140"},{"purpose":"MAILING","street_1":"PO BOX 86430","city":"SIOUX FALLS","state":"SD","postal_code":"571176430","country_code":"US","phone":"6053224900","fax":"6053224910"}],"license":{"state":"SD","number":"4241"},"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20051214000707","type_code":"14-08","type_desc":"PRACTITIONER - FAMILY PRACTICE","state":"SD","pac_id":"0244127116"}]},"enumeration_date":"2006-06-19","last_updated":"2009-09-18","_meta":{"source":"NPPES","snapshot_date":"2009-09-18","doc_url":"https://findmynpi.com/api"}}