{"npi":"1003074428","type":"NPI-1","status":"active","name":{"display":"Dr. David Leng MD","other":[],"first":"DAVID","last":"LENG","credential":"MD"},"specialty":{"primary_taxonomy":"207Q00000X","primary_taxonomy_description":"Family Medicine","slug":"family-medicine","schema_org_specialty":"PrimaryCare","all":[{"code":"207Q00000X","description":"Family Medicine","primary":true,"state":"VA","license":"0101252174"}]},"addresses":[{"purpose":"LOCATION","street_1":"43480 YUKON DR","city":"ASHBURN","state":"VA","postal_code":"201476988","country_code":"US","phone":"5712526000"},{"purpose":"MAILING","street_1":"43480 YUKON DR","city":"ASHBURN","state":"VA","postal_code":"201476988","country_code":"US","phone":"5712526000"}],"license":{"state":"VA","number":"0101252174"},"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20161108000665","type_code":"14-08","type_desc":"PRACTITIONER - FAMILY PRACTICE","state":"VA","pac_id":"6204126634"},{"enrlmt_id":"I20201016002229","type_code":"14-08","type_desc":"PRACTITIONER - FAMILY PRACTICE","state":"DC","pac_id":"6204126634"}]},"enumeration_date":"2008-06-02","last_updated":"2021-06-07","_meta":{"source":"NPPES","snapshot_date":"2021-06-07","doc_url":"https://findmynpi.com/api"}}