{"npi":"1164528741","type":"NPI-1","status":"active","name":{"display":"Andrew Gellens MD","other":[],"first":"ANDREW","last":"GELLENS","middle":"JAY","credential":"MD"},"specialty":{"primary_taxonomy":"207VX0201X","primary_taxonomy_description":"Gynecologic Oncology","slug":"gynecologic-oncology","schema_org_specialty":"Oncologic","all":[{"code":"207VX0201X","description":"Gynecologic Oncology","primary":true,"state":"CA","license":"G71477"}]},"addresses":[{"purpose":"LOCATION","street_1":"8851 CENTER DR 210","city":"LA MESA","state":"CA","postal_code":"91942","country_code":"US","phone":"6194637775","fax":"6194634181"},{"purpose":"MAILING","street_1":"8851 CENTER DR 210","city":"LA MESA","state":"CA","postal_code":"91942","country_code":"US","phone":"6194637775","fax":"6194634181"}],"license":{"state":"CA","number":"G71477"},"identifiers":[{"type_code":"01","label":"Other","value":"GR0043610","state":null,"issuer":"MEDICAL GROUP"}],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20120223000810","type_code":"14-16","type_desc":"PRACTITIONER - OBSTETRICS/GYNECOLOGY","state":"CA","pac_id":"8123209780"}]},"enumeration_date":"2006-09-15","last_updated":"2023-02-01","_meta":{"source":"NPPES","snapshot_date":"2023-02-01","doc_url":"https://findmynpi.com/api"}}