{"schema_version":"1","generated_at":"2026-11-11T19:37:05.189Z","data_as_of":null,"url":"https://www.findmykol.com/kol/leah-portnow","json_url":"https://www.findmykol.com/kol/leah-portnow/profile.json","record_kind":"basic","profile_kind":"clinical","person":{"slug":"leah-portnow","name":"Leah Portnow","credential":"MD","specialty":"Diagnostic Radiology","specialty_raw":"Diagnostic Radiology","therapeutic_area":"Radiology","therapeutic_areas":["Radiology"],"institution":"Brigham and Women's Hospital","institution_url":"https://www.findmykol.com/institution/brigham-and-women-s-hospital","city":"Boston","state":"MA","region":{"label":"Northeast","url":"https://www.findmykol.com/region/northeast"}},"identifiers":{"npi":"1184984833","orcid":"0000-0001-5146-7135","openalex":"A5014201549"},"summary":"Leah Portnow is a Radiology physician affiliated with Brigham and Women's Hospital. OpenAlex indexes 38 publications with 436 citations (h-index 12); ClinicalTrials.gov lists 1 registered study matched to this name.","overview":null,"focus":{"indications":[],"research_topics":["Radiology"]},"scholarship":{"works_count":38,"cited_by_count":436,"h_index":12,"source":"works"},"trials":{"count":1,"shown":1,"withheld":0,"matched_by":"investigator name, confirmed against institution and geography","rows":[{"nct":"NCT04947917","title":"Axillary Lymph Node Tattoo Marking Study","phase":"NA","status":"TERMINATED","role":"Overall official","sponsor":"Dana-Farber Cancer Institute","source_url":"https://clinicaltrials.gov/study/NCT04947917","trial_url":"https://www.findmykol.com/trial/NCT04947917"}],"source":"trials"},"similar":[{"name":"Paul Ridker","slug":"paul-ridker","institution":"Brigham and Women's Hospital","specialty":"Cardiovascular Disease","url":"https://www.findmykol.com/kol/paul-ridker","json_url":"https://www.findmykol.com/kol/paul-ridker/profile.json"},{"name":"Scott Solomon","slug":"scott-solomon","institution":"Brigham and Women's Hospital","specialty":"Cardiovascular Disease","url":"https://www.findmykol.com/kol/scott-solomon","json_url":"https://www.findmykol.com/kol/scott-solomon/profile.json"},{"name":"Marc Pfeffer","slug":"marc-pfeffer","institution":"Brigham and Women's Hospital","specialty":"Cardiovascular Disease","url":"https://www.findmykol.com/kol/marc-pfeffer","json_url":"https://www.findmykol.com/kol/marc-pfeffer/profile.json"},{"name":"Marc Sabatine","slug":"marc-sabatine","institution":"Brigham and Women's Hospital","specialty":"Cardiovascular Disease","url":"https://www.findmykol.com/kol/marc-sabatine","json_url":"https://www.findmykol.com/kol/marc-sabatine/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"}