{"schema_version":"1","generated_at":"2026-11-11T09:27:27.454Z","data_as_of":null,"url":"https://www.findmykol.com/kol/yi-jen-chen","json_url":"https://www.findmykol.com/kol/yi-jen-chen/profile.json","record_kind":"basic","profile_kind":"clinical","person":{"slug":"yi-jen-chen","name":"Yi-Jen Chen","credential":"MD","specialty":"Radiation Oncology","specialty_raw":"Radiation Oncology","therapeutic_area":"Oncology","therapeutic_areas":["Oncology"],"institution":"City Of Hope National Medical Center","institution_url":"https://www.findmykol.com/institution/city-of-hope","city":"Duarte","state":"CA","region":{"label":"West","url":"https://www.findmykol.com/region/west"}},"identifiers":{"npi":"1972698868","orcid":"0000-0001-8022-3316","openalex":"A5100640226"},"summary":"Yi-Jen Chen is an Oncology physician affiliated with City Of Hope National Medical Center. OpenAlex indexes 82 publications with 7,742 citations (h-index 26); ClinicalTrials.gov lists 2 registered studies matched to this name.","overview":null,"focus":{"indications":[],"research_topics":["Oncology"]},"scholarship":{"works_count":82,"cited_by_count":7742,"h_index":26,"latest_activity_year":2024,"source":"works"},"trials":{"count":2,"shown":0,"withheld":0,"rows":[],"source":"trials"},"payments":{"company_count":6,"program_years":{"first":2021,"last":null},"rows_total":9,"shown":3,"withheld":6,"rows":[{"payer":"Accuray Incorporated","program_year":2024,"amount_usd":214.25,"payment_count":2,"source_url":"https://openpaymentsdata.cms.gov/search?query=1972698868"},{"payer":"GT Medical Technologies, Inc","program_year":2024,"amount_usd":55.44,"payment_count":1,"source_url":"https://openpaymentsdata.cms.gov/search?query=1972698868"},{"payer":"Siemens Healthineers","program_year":2023,"amount_usd":35500,"payment_count":1,"source_url":"https://openpaymentsdata.cms.gov/search?query=1972698868"}],"record_url":"https://openpaymentsdata.cms.gov/search?query=1972698868","source":"payments"},"contact":{"address_1":"1500 E DUARTE RD","city":"Duarte","state":"CA","zip":"91010","phone":"626-359-8111","source_url":"https://npiregistry.cms.hhs.gov/provider-view/1972698868","source":"identity"},"similar":[{"name":"Erminia Massarelli","slug":"erminia-massarelli","institution":"City Of Hope National Medical Center","specialty":"Medical Oncology","url":"https://www.findmykol.com/kol/erminia-massarelli","json_url":"https://www.findmykol.com/kol/erminia-massarelli/profile.json"},{"name":"Swetha Thiruvengadam","slug":"swetha-thiruvengadam","institution":"City Of Hope National Medical Center","specialty":"Hematology","url":"https://www.findmykol.com/kol/swetha-thiruvengadam","json_url":"https://www.findmykol.com/kol/swetha-thiruvengadam/profile.json"},{"name":"Yuman Fong","slug":"yuman-fong","institution":"City Of Hope National Medical Center","specialty":"Surgical Oncology","url":"https://www.findmykol.com/kol/yuman-fong","json_url":"https://www.findmykol.com/kol/yuman-fong/profile.json"},{"name":"Ravi Salgia","slug":"ravi-salgia","institution":"City Of Hope National Medical Center","specialty":"Medical Oncology","url":"https://www.findmykol.com/kol/ravi-salgia","json_url":"https://www.findmykol.com/kol/ravi-salgia/profile.json"},{"name":"Carl June","slug":"carl-june","institution":"University of Pennsylvania","specialty":"Medical Oncology","url":"https://www.findmykol.com/kol/carl-june","json_url":"https://www.findmykol.com/kol/carl-june/profile.json"},{"name":"Rainer Storb","slug":"rainer-storb","institution":"University of Washington","specialty":"Hematology / Oncology","url":"https://www.findmykol.com/kol/rainer-storb","json_url":"https://www.findmykol.com/kol/rainer-storb/profile.json"},{"name":"Christina Fitzmaurice","slug":"christina-fitzmaurice","specialty":"Hematology / Oncology","url":"https://www.findmykol.com/kol/christina-fitzmaurice","json_url":"https://www.findmykol.com/kol/christina-fitzmaurice/profile.json"},{"name":"Beth Karlan","slug":"beth-karlan","institution":"University of California, Los Angeles","specialty":"Gynecologic Oncology","url":"https://www.findmykol.com/kol/beth-karlan","json_url":"https://www.findmykol.com/kol/beth-karlan/profile.json"}],"coverage":{"note":"A basic directory record. Sections absent here were not yet checked for this person, so absence means not yet looked, never none found.","not_yet_checked":["funding","congress","network","presence","recognition"]},"not_included":{"note":"This document is the public layer: neutral facts cited to their source. Judgments (influence tier, archetype, trajectory commentary) and the itemized rows past each section's public teaser are account features and are not served here or to crawlers.","withheld_rows":{"payments":6}},"sources":{"orcid":{"name":"ORCID","url":"https://orcid.org","provides":"The verified researcher identity that anchors authorship"},"identity":{"name":"NPPES (CMS)","url":"https://npiregistry.cms.hhs.gov","provides":"Identity, specialty and practice location for every U.S. clinician","coverage":"Practice location (not mailing) from the NPPES record","record_last_updated":"2020-11-23","provider_certified":"2020-11-23","collected_at":"2026-11-06T00:00:00.000Z"},"works":{"name":"OpenAlex","url":"https://openalex.org","provides":"Citations, h-index, research topics, most-cited works and congress abstracts"},"trials":{"name":"ClinicalTrials.gov","url":"https://clinicaltrials.gov","provides":"Investigator roles on registered clinical studies"},"payments":{"name":"CMS Open Payments","url":"https://openpaymentsdata.cms.gov","provides":"Industry payments reported to CMS, by company and program year","disclaimer":"Payments are publicly reported to CMS. Their existence does not imply wrongdoing; CMS does not interpret these data.","coverage":"Program years 2021 onward"}},"methodology_url":"https://www.findmykol.com/about#methodology"}