{"schema_version":"1","generated_at":"2026-11-05T18:32:10.263Z","data_as_of":null,"url":"https://www.findmykol.com/kol/daniel-lefler","json_url":"https://www.findmykol.com/kol/daniel-lefler/profile.json","record_kind":"basic","profile_kind":"clinical","person":{"slug":"daniel-lefler","name":"Daniel Lefler","credential":"MD","specialty":"Hematology / Oncology","specialty_raw":"Hematology & Oncology","therapeutic_area":"Oncology","therapeutic_areas":["Oncology"],"institution":"University of Pennsylvania","institution_url":"https://www.findmykol.com/institution/university-of-pennsylvania","city":"Philadelphia","state":"PA","region":{"label":"Northeast","url":"https://www.findmykol.com/region/northeast"}},"identifiers":{"npi":"1407219231","orcid":"0000-0001-8051-8800","openalex":"A5022695753"},"summary":"Daniel Lefler is an Oncology physician affiliated with University of Pennsylvania. 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