{"npi":"1992016844","type":"NPI-1","status":"active","name":{"display":"Dr. Matthew Lisk D.O.","other":[],"first":"MATTHEW","last":"LISK","middle":"TYLER","credential":"D.O."},"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":"VA","license":"0102204917"},{"code":"208M00000X","description":"Hospitalist","primary":false,"state":"VA","license":"0102204917"},{"code":"207R00000X","description":"Internal Medicine","primary":false,"state":"PA","license":"OS016420"}]},"addresses":[{"purpose":"LOCATION","street_1":"1840 AMHERST ST","city":"WINCHESTER","state":"VA","postal_code":"22601","country_code":"US","phone":"5405362270","fax":"5405367847"},{"purpose":"MAILING","street_1":"220 CAMPUS BLVD STE 320","city":"WINCHESTER","state":"VA","postal_code":"226012889","country_code":"US","phone":"5405365100","fax":"5405360235"}],"license":{"state":"VA","number":"0102204917"},"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20180108001900","type_code":"14-11","type_desc":"PRACTITIONER - INTERNAL MEDICINE","state":"WV","pac_id":"2961643143"},{"enrlmt_id":"I20180612001001","type_code":"14-11","type_desc":"PRACTITIONER - INTERNAL MEDICINE","state":"VA","pac_id":"2961643143"}]},"enumeration_date":"2010-06-25","last_updated":"2026-03-17","_meta":{"source":"NPPES","snapshot_date":"2026-03-17","doc_url":"https://findmynpi.com/api"}}