{"npi":"1235879461","type":"NPI-1","status":"active","name":{"display":"Dr. Sierra Armbrust DO","other":[],"first":"SIERRA","last":"ARMBRUST","credential":"DO"},"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":"TN","license":"6087"}]},"addresses":[{"purpose":"LOCATION","street_1":"7380 VOLKSWAGEN DR STE 110","city":"CHATTANOOGA","state":"TN","postal_code":"374161761","country_code":"US","phone":"4237788950","fax":"4237788951"},{"purpose":"MAILING","street_1":"7380 VOLKSWAGEN DR STE 110","city":"CHATTANOOGA","state":"TN","postal_code":"374161761","country_code":"US","phone":"4237788950","fax":"4237788951"}],"license":{"state":"TN","number":"6087"},"identifiers":[],"pecos":{"enrolled_at":"2026-07-01T15:01:53.235063+00:00","enrollments":[{"enrlmt_id":"I20250811002210","type_code":"14-08","type_desc":"PRACTITIONER - FAMILY PRACTICE","state":"TN","pac_id":"3678946944"}]},"enumeration_date":"2022-03-29","last_updated":"2025-09-03","_meta":{"source":"NPPES","snapshot_date":"2025-09-03","doc_url":"https://findmynpi.com/api"}}