{"npi":"1336188945","type":"NPI-1","status":"active","name":{"display":"Dr. David Hertzog MD","other":[],"first":"DAVID","last":"HERTZOG","middle":"R.","credential":"MD"},"specialty":{"primary_taxonomy":"2085R0204X","primary_taxonomy_description":"Vascular & Interventional Radiology Physician","slug":"vascular-interventional-radiology-physician","schema_org_specialty":null,"all":[{"code":"208600000X","description":"Surgery","primary":false,"state":"PA","license":"MD027999E"},{"code":"2085R0204X","description":"Vascular & Interventional Radiology Physician","primary":true,"state":"PA","license":"MD027999E"}]},"addresses":[{"purpose":"LOCATION","street_1":"2412 W PASSYUNK AVE","city":"PHILADELPHIA","state":"PA","postal_code":"191454114","country_code":"US","phone":"2154622100","fax":"2154623100"},{"purpose":"MAILING","street_1":"PO BOX 416210","city":"BOSTON","state":"MA","postal_code":"022411407","country_code":"US","phone":"6106448900","fax":"4849240053"}],"license":{"state":"PA","number":"MD027999E"},"identifiers":[{"type_code":"01","label":"Other","value":"0045155000","state":"NJ","issuer":"AMERIHEALTH"},{"type_code":"01","label":"Other","value":"0506464005","state":"NJ","issuer":"CIGNA"},{"type_code":"01","label":"Other","value":"36952","state":"NJ","issuer":"AETNA"},{"type_code":"01","label":"Other","value":"MES131","state":"NJ","issuer":"OXFORD"},{"type_code":"05","label":"Medicaid","value":"3435709","state":"NJ","issuer":null}],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20070918000390","type_code":"14-94","type_desc":"PRACTITIONER - INTERVENTIONAL RADIOLOGY","state":"PA","pac_id":"7810929486"},{"enrlmt_id":"I20150227000312","type_code":"14-94","type_desc":"PRACTITIONER - INTERVENTIONAL RADIOLOGY","state":"NJ","pac_id":"7810929486"},{"enrlmt_id":"I20160219001757","type_code":"14-94","type_desc":"PRACTITIONER - INTERVENTIONAL RADIOLOGY","state":"MD","pac_id":"7810929486"},{"enrlmt_id":"I20170127000455","type_code":"14-94","type_desc":"PRACTITIONER - INTERVENTIONAL RADIOLOGY","state":"VA","pac_id":"7810929486"}]},"enumeration_date":"2006-06-06","last_updated":"2025-11-26","_meta":{"source":"NPPES","snapshot_date":"2025-11-26","doc_url":"https://findmynpi.com/api"}}