{"npi":"1215073689","type":"NPI-1","status":"active","name":{"display":"Mr. Stephen Oster M.D., PH.D.","other":[],"first":"STEPHEN","last":"OSTER","middle":"FIELDING","credential":"M.D., PH.D."},"specialty":{"primary_taxonomy":"207W00000X","primary_taxonomy_description":"Ophthalmology Physician","slug":"ophthalmology-physician","schema_org_specialty":null,"all":[{"code":"207W00000X","description":"Ophthalmology Physician","primary":true,"state":"CA","license":"A103897"}]},"addresses":[{"purpose":"LOCATION","street_1":"9415 CAMPUS POINT DR","city":"LA JOLLA","state":"CA","postal_code":"92037","country_code":"US","phone":"8588223177","fax":"8588223169"},{"purpose":"MAILING","street_1":"9415 CAMPUS POINT DR","city":"LA JOLLA","state":"CA","postal_code":"92037","country_code":"US","phone":"8588223177","fax":"8588223169"}],"license":{"state":"CA","number":"A103897"},"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20081029000918","type_code":"14-18","type_desc":"PRACTITIONER - OPHTHALMOLOGY","state":"CA","pac_id":"4284793696"}]},"enumeration_date":"2007-01-30","last_updated":"2021-10-16","_meta":{"source":"NPPES","snapshot_date":"2021-10-16","doc_url":"https://findmynpi.com/api"}}