{"npi":"1205813334","type":"NPI-1","status":"active","name":{"display":"Mrs. Corina Welch PA-C","other":[{"code":"1","type":"Formerly known as","value":"GRETCH, CORINA D."}],"first":"CORINA","last":"WELCH","middle":"G.","credential":"PA-C"},"specialty":{"primary_taxonomy":"363A00000X","primary_taxonomy_description":"Physician Assistant","slug":"physician-assistant","schema_org_specialty":null,"all":[{"code":"363A00000X","description":"Physician Assistant","primary":true,"state":"WI","license":"1397-023"}]},"addresses":[{"purpose":"LOCATION","street_1":"17000 W NORTH AVE STE 104W","city":"BROOKFIELD","state":"WI","postal_code":"530054423","country_code":"US","phone":"2623954141","fax":"2623954159"},{"purpose":"MAILING","street_1":"12555 W NATIONAL AVE STE 100","city":"NEW BERLIN","state":"WI","postal_code":"531514061","country_code":"US","phone":"2623954141","fax":"2623954189"}],"license":{"state":"WI","number":"1397-023"},"identifiers":[{"type_code":"05","label":"Medicaid","value":"41929500","state":"WI","issuer":null},{"type_code":"01","label":"Other","value":"P00941521","state":"WI","issuer":"RR MEDICARE"}],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20040819001385","type_code":"14-97","type_desc":"PRACTITIONER - PHYSICIAN ASSISTANT","state":"WI","pac_id":"6406820158"}]},"enumeration_date":"2005-12-29","last_updated":"2025-10-15","_meta":{"source":"NPPES","snapshot_date":"2025-10-15","doc_url":"https://findmynpi.com/api"}}