{"npi":"1194715623","type":"NPI-1","status":"active","name":{"display":"Dr. Barbara Holbert MD","other":[],"first":"BARBARA","last":"HOLBERT","middle":"C","credential":"MD"},"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":"MA","license":"59511"}]},"addresses":[{"purpose":"LOCATION","street_1":"294 WASHINGTON ST","city":"BOSTON","state":"MA","postal_code":"021084634","country_code":"US","street_2":"MGH DOWNTOWN NUMBER 210 DTN 210","phone":"6177286000","fax":"6177286040"},{"purpose":"MAILING","street_1":"PO BOX 9142","city":"CHARLESTOWN","state":"MA","postal_code":"021299142","country_code":"US","street_2":"MASS GENERAL PHYSICIAN ORGANIZATION","phone":"6177240287","fax":"6177262894"}],"license":{"state":"MA","number":"59511"},"identifiers":[{"type_code":"01","label":"Other","value":"059511","state":"MA","issuer":"TUFTS HEALTH PLAN"},{"type_code":"05","label":"Medicaid","value":"3081877","state":"MA","issuer":null},{"type_code":"01","label":"Other","value":"J10697","state":"MA","issuer":"BCBS MA"}],"pecos":{"enrolled_at":"2026-07-01T15:01:53.235063+00:00","enrollments":[{"enrlmt_id":"I20040706000143","type_code":"14-11","type_desc":"PRACTITIONER - INTERNAL MEDICINE","state":"MA","pac_id":"2668459942"}]},"enumeration_date":"2005-10-26","last_updated":"2010-09-02","_meta":{"source":"NPPES","snapshot_date":"2010-09-02","doc_url":"https://findmynpi.com/api"}}