{"npi":"1184852709","type":"NPI-1","status":"active","name":{"display":"Derrick Johnston M.D.","other":[],"first":"DERRICK","last":"JOHNSTON","middle":"LYNN","credential":"M.D."},"specialty":{"primary_taxonomy":"2088P0231X","primary_taxonomy_description":"Pediatric Urology Physician","slug":"pediatric-urology-physician","schema_org_specialty":null,"all":[{"code":"2088P0231X","description":"Pediatric Urology Physician","primary":true,"state":"AZ","license":"51576"}]},"addresses":[{"purpose":"LOCATION","street_1":"5166 E GLENN ST","city":"TUCSON","state":"AZ","postal_code":"857121337","country_code":"US","phone":"5207955338","fax":"5207955382"},{"purpose":"MAILING","street_1":"5166 E GLENN ST","city":"TUCSON","state":"AZ","postal_code":"857121337","country_code":"US","phone":"5207955338","fax":"5207955382"}],"license":{"state":"AZ","number":"51576"},"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20161021001160","type_code":"14-34","type_desc":"PRACTITIONER - UROLOGY","state":"AZ","pac_id":"9133369739"}]},"enumeration_date":"2009-06-23","last_updated":"2016-06-02","_meta":{"source":"NPPES","snapshot_date":"2016-06-02","doc_url":"https://findmynpi.com/api"}}