{"npi":"1154438521","type":"NPI-2","status":"active","name":{"display":"Marvin H. Greenbaum, M.D. PC","other":[],"organization_name":"MARVIN H. GREENBAUM, M.D. PC","authorised_official":"Keith Mathers"},"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":null,"license":null}]},"addresses":[{"purpose":"LOCATION","street_1":"501 BELMONT AVE","city":"BALA CYNWYD","state":"PA","postal_code":"190041302","country_code":"US","phone":"6106674066","fax":"6106677955"},{"purpose":"MAILING","street_1":"501 BELMONT AVE","city":"BALA CYNWYD","state":"PA","postal_code":"190041302","country_code":"US","phone":"6106674066","fax":"6106677955"}],"license":null,"identifiers":[{"type_code":"01","label":"Other","value":"CG3941","state":"PA","issuer":"RAILROAD MEDICARE"}],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"O20050413000443","type_code":"12-70","type_desc":"PART B SUPPLIER - CLINIC/GROUP PRACTICE","state":"PA","pac_id":"3577500354"},{"enrlmt_id":"O20100930080146","type_code":"30-18","type_desc":"DME SUPPLIER - PHYSICIAN - OPHTHALMOLOGY","state":"PA","pac_id":"3577500354"}]},"enumeration_date":"2006-08-23","last_updated":"2025-02-07","_meta":{"source":"NPPES","snapshot_date":"2025-02-07","doc_url":"https://findmynpi.com/api"}}