{"npi":"1205074028","type":"NPI-1","status":"active","name":{"display":"Dr. Aaron Neinstein MD","other":[],"first":"AARON","last":"NEINSTEIN","middle":"BARAK","credential":"MD"},"specialty":{"primary_taxonomy":"207RE0101X","primary_taxonomy_description":"Endocrinology, Diabetes & Metabolism Physician","slug":"endocrinology-diabetes-metabolism-physician","schema_org_specialty":null,"all":[{"code":"2083C0008X","description":"Clinical Informatics Physician","primary":false,"state":"CA","license":"A106501"},{"code":"207RE0101X","description":"Endocrinology, Diabetes & Metabolism Physician","primary":true,"state":"CA","license":"A106501"}]},"addresses":[{"purpose":"LOCATION","street_1":"400 PARNASSUS AVENUE","city":"SAN FRANCISCO","state":"CA","postal_code":"94143","country_code":"US","street_2":"STE A550","phone":"4153532350","fax":"4153532337"},{"purpose":"MAILING","street_1":"400 PARNASSUS AVENUE","city":"SAN FRANCISCO","state":"CA","postal_code":"941431222","country_code":"US","street_2":"STE A550","phone":"4153532350","fax":"4153532337"}],"license":{"state":"CA","number":"A106501"},"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20100724000027","type_code":"14-46","type_desc":"PRACTITIONER - ENDOCRINOLOGY","state":"CA","pac_id":"5193857209"}]},"enumeration_date":"2009-02-02","last_updated":"2018-05-15","_meta":{"source":"NPPES","snapshot_date":"2018-05-15","doc_url":"https://findmynpi.com/api"}}