{"npi":"1669965059","type":"NPI-1","status":"active","name":{"display":"John Heintz MD, PHD","other":[],"first":"JOHN","last":"HEINTZ","middle":"ISAAC BLANCO","credential":"MD, PHD"},"specialty":{"primary_taxonomy":"207R00000X","primary_taxonomy_description":"Internal Medicine","slug":"internal-medicine","schema_org_specialty":"Internal","all":[{"code":"208M00000X","description":"Hospitalist","primary":false,"state":"OH","license":"35.142497"},{"code":"390200000X","description":"Student in an Organized Health Care Education/Training Program","primary":false,"state":null,"license":null},{"code":"207R00000X","description":"Internal Medicine","primary":true,"state":"PA","license":"MD478200"}]},"addresses":[{"purpose":"LOCATION","street_1":"1207 CHESTNUT ST","city":"PHILADELPHIA","state":"PA","postal_code":"191074131","country_code":"US","phone":"2677250252","fax":"2153091129"},{"purpose":"MAILING","street_1":"1233 LOCUST ST FL 3","city":"PHILADELPHIA","state":"PA","postal_code":"191075400","country_code":"US","phone":"2159854448","fax":"8556349302"}],"license":{"state":"PA","number":"MD478200"},"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20220928002195","type_code":"14-11","type_desc":"PRACTITIONER - INTERNAL MEDICINE","state":"PA","pac_id":"4284034810"}]},"enumeration_date":"2018-06-11","last_updated":"2022-09-16","_meta":{"source":"NPPES","snapshot_date":"2022-09-16","doc_url":"https://findmynpi.com/api"}}