{"npi":"1316928617","type":"NPI-1","status":"active","name":{"display":"Peter Chak MD","other":[],"first":"PETER","last":"CHAK","middle":"K","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":"NY","license":"NY136699"}]},"addresses":[{"purpose":"LOCATION","street_1":"33 NORTH OCEAN AVE","city":"FREEPORT","state":"NY","postal_code":"11520","country_code":"US","phone":"5163784949","fax":"5163798026"},{"purpose":"MAILING","street_1":"33 NORTH OCEAN AVE","city":"FREEPORT","state":"NY","postal_code":"11520","country_code":"US","phone":"5163784949","fax":"5163798026"}],"license":{"state":"NY","number":"NY136699"},"identifiers":[{"type_code":"01","label":"Other","value":"401877","state":"NY","issuer":"WELLCARE"},{"type_code":"05","label":"Medicaid","value":"00393215","state":"NY","issuer":null},{"type_code":"01","label":"Other","value":"040426009162","state":"NY","issuer":"FIDELIS"}],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20100909000278","type_code":"14-11","type_desc":"PRACTITIONER - INTERNAL MEDICINE","state":"NY","pac_id":"2961527320"}]},"enumeration_date":"2005-11-14","last_updated":"2008-05-16","_meta":{"source":"NPPES","snapshot_date":"2008-05-16","doc_url":"https://findmynpi.com/api"}}