{"npi":"1346557139","type":"NPI-1","status":"active","name":{"display":"Michael Deftos M.D., PH.D.","other":[],"first":"MICHAEL","last":"DEFTOS","credential":"M.D.,PH.D."},"specialty":{"primary_taxonomy":"207ZP0102X","primary_taxonomy_description":"Anatomic & Clinical Pathology","slug":"pathology","schema_org_specialty":"Pathology","all":[{"code":"207ZP0102X","description":"Anatomic & Clinical Pathology","primary":true,"state":"CA","license":"A98387"}]},"addresses":[{"purpose":"LOCATION","street_1":"2455 39TH AVE","city":"SAN FRANCISCO","state":"CA","postal_code":"941162154","country_code":"US","phone":"4155047422"},{"purpose":"MAILING","street_1":"2455 39TH AVE","city":"SAN FRANCISCO","state":"CA","postal_code":"941162154","country_code":"US","phone":"4155047422"}],"license":{"state":"CA","number":"A98387"},"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20110726000688","type_code":"14-22","type_desc":"PRACTITIONER - PATHOLOGY","state":"CA","pac_id":"3375711955"}]},"enumeration_date":"2010-09-01","last_updated":"2010-09-01","_meta":{"source":"NPPES","snapshot_date":"2010-09-01","doc_url":"https://findmynpi.com/api"}}