{"schema_version":"1","generated_at":"2026-11-13T00:03:02.609Z","data_as_of":null,"url":"https://www.findmykol.com/kol/helen-nadel","json_url":"https://www.findmykol.com/kol/helen-nadel/profile.json","record_kind":"basic","profile_kind":"clinical","person":{"slug":"helen-nadel","name":"Helen Nadel","credential":"MD","specialty":"Nuclear Radiology","specialty_raw":"Nuclear Radiology","therapeutic_area":"Radiology","therapeutic_areas":["Radiology"],"institution":"Lucile Packard Children's Hospital","institution_url":"https://www.findmykol.com/institution/lucile-packard-children-s-hospital","city":"Palo Alto","state":"CA","region":{"label":"West","url":"https://www.findmykol.com/region/west"}},"identifiers":{"npi":"1750877262","orcid":"0000-0003-0236-7298","openalex":"A5011667534"},"summary":"Helen Nadel is a Radiology physician affiliated with Lucile Packard Children's Hospital. OpenAlex indexes 154 publications with 5,679 citations (h-index 34); ClinicalTrials.gov lists 1 registered study matched to this name.","overview":null,"focus":{"indications":[],"research_topics":["Radiology"]},"scholarship":{"works_count":154,"cited_by_count":5679,"h_index":34,"emerging":true,"source":"works"},"trials":{"count":1,"shown":1,"withheld":0,"matched_by":"investigator name, confirmed against institution and geography","rows":[{"nct":"NCT04435821","title":"PET/MRI in the Diagnosis of Pediatric Chronic Pain","phase":"PHASE1","status":"COMPLETED","role":"Overall official","sponsor":"Stanford University","source_url":"https://clinicaltrials.gov/study/NCT04435821","trial_url":"https://www.findmykol.com/trial/NCT04435821"}],"source":"trials"},"similar":[{"name":"Michelle Monje","slug":"michelle-monje","institution":"Lucile Packard Children's Hospital","specialty":"Neurology with Special Qualifications in Child Neurology","url":"https://www.findmykol.com/kol/michelle-monje","json_url":"https://www.findmykol.com/kol/michelle-monje/profile.json"},{"name":"Marlene Rabinovitch","slug":"marlene-rabinovitch","institution":"Lucile Packard Children's Hospital","specialty":"Pediatric Cardiology","url":"https://www.findmykol.com/kol/marlene-rabinovitch","json_url":"https://www.findmykol.com/kol/marlene-rabinovitch/profile.json"},{"name":"Doff McElhinney","slug":"doff-mcelhinney","institution":"Lucile Packard Children's Hospital","specialty":"Pediatric Cardiology","url":"https://www.findmykol.com/kol/doff-mcelhinney","json_url":"https://www.findmykol.com/kol/doff-mcelhinney/profile.json"},{"name":"Hermann Lorenz","slug":"hermann-lorenz","institution":"Lucile Packard Children's Hospital","specialty":"Plastic Surgery","url":"https://www.findmykol.com/kol/hermann-lorenz","json_url":"https://www.findmykol.com/kol/hermann-lorenz/profile.json"},{"name":"Akash Sharma","slug":"akash-sharma","institution":"Mayo Clinic in Florida","specialty":"Diagnostic Radiology","url":"https://www.findmykol.com/kol/akash-sharma","json_url":"https://www.findmykol.com/kol/akash-sharma/profile.json"},{"name":"Alexander Kim","slug":"alexander-kim","specialty":"Vascular & Interventional Radiology","url":"https://www.findmykol.com/kol/alexander-kim","json_url":"https://www.findmykol.com/kol/alexander-kim/profile.json"},{"name":"Edward Lee","slug":"edward-lee-ca","specialty":"Vascular & Interventional Radiology","url":"https://www.findmykol.com/kol/edward-lee-ca","json_url":"https://www.findmykol.com/kol/edward-lee-ca/profile.json"},{"name":"Clifford Jack","slug":"clifford-jack","institution":"Mayo Clinic","specialty":"Diagnostic Radiology","url":"https://www.findmykol.com/kol/clifford-jack","json_url":"https://www.findmykol.com/kol/clifford-jack/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":{}},"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"},"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"}},"methodology_url":"https://www.findmykol.com/about#methodology"}