{"npi":"1750375812","type":"NPI-1","status":"active","name":{"display":"Brian Bergfeld M.D.","other":[],"first":"BRIAN","last":"BERGFELD","credential":"M.D."},"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":"MO","license":"2004015369"}]},"addresses":[{"purpose":"LOCATION","street_1":"7419 WATSON RD","city":"SAINT LOUIS","state":"MO","postal_code":"631194415","country_code":"US","phone":"3144003360","fax":"3144003361"},{"purpose":"MAILING","street_1":"PO BOX 23340","city":"SAINT LOUIS","state":"MO","postal_code":"631563340","country_code":"US","phone":"3144003360","fax":"3144003361"}],"license":{"state":"MO","number":"2004015369"},"identifiers":[{"type_code":"05","label":"Medicaid","value":"209303502","state":"MO","issuer":null}],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20040913000445","type_code":"14-11","type_desc":"PRACTITIONER - INTERNAL MEDICINE","state":"MO","pac_id":"9234106089"}]},"enumeration_date":"2005-09-06","last_updated":"2018-06-29","_meta":{"source":"NPPES","snapshot_date":"2018-06-29","doc_url":"https://findmynpi.com/api"}}