{"npi":"1487115010","type":"NPI-1","status":"active","name":{"display":"Marielle Mahan MD","other":[],"first":"MARIELLE","last":"MAHAN","credential":"MD"},"specialty":{"primary_taxonomy":"207W00000X","primary_taxonomy_description":"Ophthalmology Physician","slug":"ophthalmology-physician","schema_org_specialty":null,"all":[{"code":"207WX0200X","description":"Ophthalmic Plastic and Reconstructive Surgery Physician","primary":false,"state":"MD","license":"D0103387"},{"code":"207WX0200X","description":"Ophthalmic Plastic and Reconstructive Surgery Physician","primary":false,"state":"DC","license":"MD600004334"},{"code":"207W00000X","description":"Ophthalmology Physician","primary":false,"state":"DC","license":"MD600004334"},{"code":"207W00000X","description":"Ophthalmology Physician","primary":true,"state":"MD","license":"D0103387"}]},"addresses":[{"purpose":"LOCATION","street_1":"5612 SHIELDS DR","city":"BETHESDA","state":"MD","postal_code":"208173532","country_code":"US","phone":"3015714334"},{"purpose":"MAILING","street_1":"11300 ROCKVILLE PIKE STE 1202","city":"ROCKVILLE","state":"MD","postal_code":"208523040","country_code":"US","phone":"3018960890","fax":"3018960968"}],"license":{"state":"MD","number":"D0103387"},"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20250926003205","type_code":"14-18","type_desc":"PRACTITIONER - OPHTHALMOLOGY","state":"DC","pac_id":"5294192365"}]},"enumeration_date":"2019-03-27","last_updated":"2025-10-02","_meta":{"source":"NPPES","snapshot_date":"2025-10-02","doc_url":"https://findmynpi.com/api"}}