{"npi":"1982769733","type":"NPI-1","status":"active","name":{"display":"Stefan Frolov MD","other":[],"first":"STEFAN","last":"FROLOV","credential":"MD"},"specialty":{"primary_taxonomy":"207R00000X","primary_taxonomy_description":"Internal Medicine","slug":"internal-medicine","schema_org_specialty":"Internal","all":[{"code":"207R00000X","description":"Internal Medicine","primary":true,"state":"CA","license":"G27940"}]},"addresses":[{"purpose":"LOCATION","street_1":"24411 HEALTH CENTER DR","city":"LAGUNA HILLS","state":"CA","postal_code":"926533651","country_code":"US","street_2":"620","phone":"9494523021","fax":"9494551225"},{"purpose":"MAILING","street_1":"24411 HEALTH CENTER DR","city":"LAGUNA HILLS","state":"CA","postal_code":"926533672","country_code":"US","street_2":"620","phone":"9494523021","fax":"9494551225"}],"license":{"state":"CA","number":"G27940"},"identifiers":[{"type_code":"01","label":"Other","value":"G27940","state":"CA","issuer":"PTAN"}],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20100806000497","type_code":"14-11","type_desc":"PRACTITIONER - INTERNAL MEDICINE","state":"CA","pac_id":"4789717042"}]},"enumeration_date":"2006-12-22","last_updated":"2016-05-25","_meta":{"source":"NPPES","snapshot_date":"2016-05-25","doc_url":"https://findmynpi.com/api"}}