{"npi":"1790779908","type":"NPI-1","status":"active","name":{"display":"Martin Lesser D.O.","other":[],"first":"MARTIN","last":"LESSER","credential":"D.O."},"specialty":{"primary_taxonomy":"207QA0505X","primary_taxonomy_description":"Adult Medicine Physician","slug":"adult-medicine-physician","schema_org_specialty":null,"all":[{"code":"207QA0505X","description":"Adult Medicine Physician","primary":true,"state":"MA","license":"75865"}]},"addresses":[{"purpose":"LOCATION","street_1":"1236 MAIN ST","city":"HOLYOKE","state":"MA","postal_code":"010405370","country_code":"US","street_2":"SUITE 201","phone":"4135367040","fax":"4135367254"},{"purpose":"MAILING","street_1":"1236 MAIN ST","city":"HOLYOKE","state":"MA","postal_code":"010405370","country_code":"US","street_2":"SUITE 201","phone":"4135367040","fax":"4135367254"}],"license":{"state":"MA","number":"75865"},"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20050504000082","type_code":"14-08","type_desc":"PRACTITIONER - FAMILY PRACTICE","state":"MA","pac_id":"2163462730"}]},"enumeration_date":"2005-09-01","last_updated":"2016-07-15","_meta":{"source":"NPPES","snapshot_date":"2016-07-15","doc_url":"https://findmynpi.com/api"}}