{"schema_version":"1","generated_at":"2026-11-01T11:41:21.680Z","data_as_of":null,"url":"https://www.findmykol.com/kol/matthew-ladra","json_url":"https://www.findmykol.com/kol/matthew-ladra/profile.json","record_kind":"basic","profile_kind":"clinical","person":{"slug":"matthew-ladra","name":"Matthew Ladra","specialty":"Radiation Oncology","specialty_raw":"Radiation Oncology","therapeutic_area":"Oncology","therapeutic_areas":["Oncology"],"institution":"Johns Hopkins University","institution_url":"https://www.findmykol.com/institution/johns-hopkins-university-school-of-medicine","city":"Baltimore","state":"MD","region":{"label":"Northeast","url":"https://www.findmykol.com/region/northeast"}},"identifiers":{"npi":"1164674214","orcid":"0000-0001-7628-2495","openalex":"A5043731440"},"summary":"Matthew Ladra is an Oncology physician affiliated with Johns Hopkins University. OpenAlex indexes 71 publications with 937 citations (h-index 17); ClinicalTrials.gov lists 1 registered study matched to this name.","overview":null,"focus":{"indications":[],"research_topics":["Oncology"]},"scholarship":{"works_count":71,"cited_by_count":937,"h_index":17,"latest_activity_year":2025,"source":"works"},"trials":{"count":1,"shown":1,"withheld":0,"matched_by":"investigator name, confirmed against institution and geography","rows":[{"nct":"NCT01763970","title":"Stereotactic Radiation Therapy for Pediatric Sarcomas","phase":"NA","status":"COMPLETED","role":"Overall official","sponsor":"Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins","source_url":"https://clinicaltrials.gov/study/NCT01763970","trial_url":"https://www.findmykol.com/trial/NCT01763970"}],"source":"trials"},"publications":{"total":50,"shown":5,"withheld":45,"matched_by":"OpenAlex author record","recent":[{"title":"Generative evidential synthesis with integrated segmentation framework for MR‐only radiation therapy treatment planning","year":2025,"journal":"Medical Physics","source_url":"https://doi.org/10.1002/mp.17828","status":"verified"},{"title":"Metastatic-Site Radiation Therapy for Ewing Sarcoma and Rhabdomyosarcoma: Consensus Guidelines From the National Pediatric Cancer Foundation","year":2024,"journal":"Practical Radiation Oncology","source_url":"https://doi.org/10.1016/j.prro.2024.10.004","status":"verified"},{"title":"The Association of Linear Energy Transfer and Dose With Radiation Necrosis After Pencil Beam Scanning Proton Therapy in Pediatric Posterior Fossa Tumors","year":2024,"journal":"International Journal of Radiation Oncology*Biology*Physics","source_url":"https://doi.org/10.1016/j.ijrobp.2024.11.086","status":"verified"},{"title":"Brain Metastasis in Pediatric Patients with Osteosarcoma","year":2024,"journal":"Current Oncology","source_url":"https://doi.org/10.3390/curroncol31110516","status":"verified"},{"title":"Deep learning segmentation of organs‐at‐risk with integration into clinical workflow for pediatric brain radiotherapy","year":2024,"journal":"Journal of Applied Clinical Medical Physics","source_url":"https://doi.org/10.1002/acm2.14310","status":"verified"}],"source":"works"},"contact":{"address_1":"401 N BROADWAY ST","address_2":"WEINBERG 1440","city":"Baltimore","state":"MD","zip":"212870019","phone":"410-614-1642","source_url":"https://npiregistry.cms.hhs.gov/provider-view/1164674214","source":"identity"},"similar":[{"name":"Daniel Laheru","slug":"daniel-laheru","institution":"Johns Hopkins University","specialty":"Medical Oncology","url":"https://www.findmykol.com/kol/daniel-laheru","json_url":"https://www.findmykol.com/kol/daniel-laheru/profile.json"},{"name":"Demosthenes G. Katritsis","slug":"demosthenes-katritsis","institution":"Johns Hopkins University","url":"https://www.findmykol.com/kol/demosthenes-katritsis","json_url":"https://www.findmykol.com/kol/demosthenes-katritsis/profile.json"},{"name":"Tanguy Seiwert","slug":"tanguy-seiwert","institution":"Johns Hopkins University","specialty":"Medical Oncology","url":"https://www.findmykol.com/kol/tanguy-seiwert","json_url":"https://www.findmykol.com/kol/tanguy-seiwert/profile.json"},{"name":"Evan Lipson","slug":"evan-lipson","institution":"Johns Hopkins University","specialty":"Medical Oncology","url":"https://www.findmykol.com/kol/evan-lipson","json_url":"https://www.findmykol.com/kol/evan-lipson/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":"Larry Norton","slug":"larry-norton","institution":"Memorial Sloan Kettering Cancer Center","specialty":"Medical Oncology","url":"https://www.findmykol.com/kol/larry-norton","json_url":"https://www.findmykol.com/kol/larry-norton/profile.json"}],"coverage":{"note":"A basic record from the physician directory. 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":{"publications":45}},"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":"2016-05-06","collected_at":"2026-10-31T00:00:00.000Z"},"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"}},"methodology_url":"https://www.findmykol.com/about#methodology"}