{"npi":"1366767303","type":"NPI-1","status":"active","name":{"display":"William Masch M.D.","other":[],"first":"WILLIAM","last":"MASCH","middle":"ROGER","credential":"M.D."},"specialty":{"primary_taxonomy":"2085R0202X","primary_taxonomy_description":"Diagnostic Radiology","slug":"diagnostic-radiology","schema_org_specialty":"Radiography","all":[{"code":"2085R0202X","description":"Diagnostic Radiology","primary":true,"state":"TX","license":"V4047"},{"code":"2085R0202X","description":"Diagnostic Radiology","primary":false,"state":"MI","license":"4301096675"}]},"addresses":[{"purpose":"LOCATION","street_1":"5333 MCAULEY DR","city":"YPSILANTI","state":"MI","postal_code":"481971014","country_code":"US","street_2":"SUITE 6016","phone":"7347128350","fax":"7347128351"},{"purpose":"MAILING","street_1":"5333 MCAULEY DR RM 6016","city":"YPSILANTI","state":"MI","postal_code":"481971005","country_code":"US","phone":"7347128350","fax":"7347128351"}],"license":{"state":"TX","number":"V4047"},"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20160712000457","type_code":"14-30","type_desc":"PRACTITIONER - DIAGNOSTIC RADIOLOGY","state":"MI","pac_id":"1052623030"},{"enrlmt_id":"I20251002004552","type_code":"14-30","type_desc":"PRACTITIONER - DIAGNOSTIC RADIOLOGY","state":"TX","pac_id":"1052623030"}]},"enumeration_date":"2010-04-01","last_updated":"2025-09-18","_meta":{"source":"NPPES","snapshot_date":"2025-09-18","doc_url":"https://findmynpi.com/api"}}