{"npi":"1336034016","type":"NPI-2","status":"active","name":{"display":"Walter S Yourchek M D INC","other":[],"organization_name":"WALTER S YOURCHEK M D INC","authorised_official":"Walter Yourchek"},"specialty":{"primary_taxonomy":"207N00000X","primary_taxonomy_description":"Dermatology","slug":"dermatology","schema_org_specialty":"Dermatologic","all":[{"code":"207N00000X","description":"Dermatology","primary":true,"state":null,"license":null}]},"addresses":[{"purpose":"LOCATION","street_1":"4637 QUAIL LAKES DR","city":"STOCKTON","state":"CA","postal_code":"952075258","country_code":"US","phone":"2094758855","fax":"2092357210"},{"purpose":"MAILING","street_1":"1606 MEADOW AVE","city":"STOCKTON","state":"CA","postal_code":"952071647","country_code":"US","phone":"2099921717"}],"license":null,"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"O20250902001575","type_code":"12-70","type_desc":"PART B SUPPLIER - CLINIC/GROUP PRACTICE","state":"CA","pac_id":"9335640242"}]},"enumeration_date":"2025-06-11","last_updated":"2025-07-29","_meta":{"source":"NPPES","snapshot_date":"2025-07-29","doc_url":"https://findmynpi.com/api"}}