{"npi":"1477545481","type":"NPI-1","status":"active","name":{"display":"Dr. Donald Greenfield M.D.","other":[],"first":"DONALD","last":"GREENFIELD","middle":"A","credential":"M.D."},"specialty":{"primary_taxonomy":"207W00000X","primary_taxonomy_description":"Ophthalmology Physician","slug":"ophthalmology-physician","schema_org_specialty":null,"all":[{"code":"207W00000X","description":"Ophthalmology Physician","primary":true,"state":"NJ","license":"MA23035"}]},"addresses":[{"purpose":"LOCATION","street_1":"288 MILLBURN AVE","city":"MILLBURN","state":"NJ","postal_code":"070411622","country_code":"US","phone":"9739129100","fax":"9739120800"},{"purpose":"MAILING","street_1":"288 MILLBURN AVE","city":"MILLBURN","state":"NJ","postal_code":"070411622","country_code":"US","phone":"9739129100","fax":"9739120800"}],"license":{"state":"NJ","number":"MA23035"},"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20060113000500","type_code":"14-18","type_desc":"PRACTITIONER - OPHTHALMOLOGY","state":"NJ","pac_id":"7315960598"}]},"enumeration_date":"2005-08-16","last_updated":"2022-01-25","_meta":{"source":"NPPES","snapshot_date":"2022-01-25","doc_url":"https://findmynpi.com/api"}}