{"npi":"1659001972","type":"NPI-1","status":"active","name":{"display":"Dr. Ellen Marcus","other":[],"first":"ELLEN","last":"MARCUS"},"specialty":{"primary_taxonomy":"207V00000X","primary_taxonomy_description":"Obstetrics & Gynecology","slug":"ob-gyn","schema_org_specialty":"Obstetric","all":[{"code":"207V00000X","description":"Obstetrics & Gynecology","primary":true,"state":"PA","license":"MT226319"}]},"addresses":[{"purpose":"LOCATION","street_1":"300 HALKET ST","city":"PITTSBURGH","state":"PA","postal_code":"152133108","country_code":"US","phone":"4126411000"},{"purpose":"MAILING","street_1":"3600 FORBES AVE","city":"PITTSBURGH","state":"PA","postal_code":"152133410","country_code":"US"}],"license":{"state":"PA","number":"MT226319"},"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20220628000665","type_code":"33-16","type_desc":"ORDER AND REFERRING ONLY - OBSTETRICS/GYNECOLOGY","state":"PA","pac_id":"5698154219"}]},"enumeration_date":"2022-06-10","last_updated":"2025-12-30","_meta":{"source":"NPPES","snapshot_date":"2025-12-30","doc_url":"https://findmynpi.com/api"}}