{"npi":"1043255441","type":"NPI-1","status":"active","name":{"display":"Dr. Duane Teerink D.O.","other":[],"first":"DUANE","last":"TEERINK","middle":"EUGENE","credential":"D.O."},"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":"MT","license":"110806"}]},"addresses":[{"purpose":"LOCATION","street_1":"602 HENRY CHAPPLE ST","city":"BILLINGS","state":"MT","postal_code":"591061874","country_code":"US","phone":"4069012300","fax":"4062066162"},{"purpose":"MAILING","street_1":"602 HENRY CHAPPLE ST","city":"BILLINGS","state":"MT","postal_code":"591061874","country_code":"US","phone":"4069012300","fax":"4062066162"}],"license":{"state":"MT","number":"110806"},"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20220609002002","type_code":"14-08","type_desc":"PRACTITIONER - FAMILY PRACTICE","state":"MT","pac_id":"6002829348"}]},"enumeration_date":"2006-06-19","last_updated":"2025-05-05","_meta":{"source":"NPPES","snapshot_date":"2025-05-05","doc_url":"https://findmynpi.com/api"}}