{"npi":"1912043258","type":"NPI-1","status":"active","name":{"display":"Dr. William Merriam M.D.","other":[],"first":"WILLIAM","last":"MERRIAM","credential":"M.D."},"specialty":{"primary_taxonomy":"208800000X","primary_taxonomy_description":"Urology Physician","slug":"urology-physician","schema_org_specialty":null,"all":[{"code":"208800000X","description":"Urology Physician","primary":true,"state":"PA","license":"MD427453"}]},"addresses":[{"purpose":"LOCATION","street_1":"915 OLD FERN HILL RD","city":"WEST CHESTER","state":"PA","postal_code":"193804269","country_code":"US","street_2":"BUILDING B STE 202","phone":"6106924270","fax":"6106922566"},{"purpose":"MAILING","street_1":"915 OLD FERN HILL RD","city":"WEST CHESTER","state":"PA","postal_code":"193804269","country_code":"US","street_2":"BUILDING B STE 202","phone":"6106924270","fax":"6106922566"}],"license":{"state":"PA","number":"MD427453"},"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20070529000462","type_code":"14-34","type_desc":"PRACTITIONER - UROLOGY","state":"PA","pac_id":"6608973532"}]},"enumeration_date":"2007-01-30","last_updated":"2011-10-21","_meta":{"source":"NPPES","snapshot_date":"2011-10-21","doc_url":"https://findmynpi.com/api"}}