{"npi":"1780786772","type":"NPI-1","status":"active","name":{"display":"Dr. Louise Aronson M.D.","other":[],"first":"LOUISE","last":"ARONSON","credential":"M.D."},"specialty":{"primary_taxonomy":"207RG0300X","primary_taxonomy_description":"Geriatric Medicine (Internal Medicine) Physician","slug":"geriatric-medicine-internal-medicine-physician","schema_org_specialty":null,"all":[{"code":"207R00000X","description":"Internal Medicine","primary":false,"state":"CA","license":"G78498"},{"code":"207RG0300X","description":"Geriatric Medicine (Internal Medicine) Physician","primary":true,"state":"CA","license":"G78498"}]},"addresses":[{"purpose":"LOCATION","street_1":"3333 CALIFORNIA ST STE 380 BOX 1265","city":"SAN FRANCISCO","state":"CA","postal_code":"941430001","country_code":"US","phone":"4155143577","fax":"4155140702"},{"purpose":"MAILING","street_1":"1635 DIVISADERO ST","city":"SAN FRANCISCO","state":"CA","postal_code":"941430001","country_code":"US","street_2":"SUITE 625, BOX 1821","phone":"4154764029","fax":"4154764150"}],"license":{"state":"CA","number":"G78498"},"identifiers":[{"type_code":"05","label":"Medicaid","value":"00G784980","state":"CA","issuer":null}],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20061006000342","type_code":"14-38","type_desc":"PRACTITIONER - GERIATRIC MEDICINE","state":"CA","pac_id":"7416953898"}]},"enumeration_date":"2006-09-01","last_updated":"2025-09-11","_meta":{"source":"NPPES","snapshot_date":"2025-09-11","doc_url":"https://findmynpi.com/api"}}