{"schema_version":"1","generated_at":"2026-11-01T07:34:25.759Z","data_as_of":null,"url":"https://www.findmykol.com/kol/leendert-es","json_url":"https://www.findmykol.com/kol/leendert-es/profile.json","record_kind":"basic","profile_kind":"research","person":{"slug":"leendert-es","name":"Leendert A. van Es","specialty":"Medicine","therapeutic_area":"Nephrology","therapeutic_areas":["Nephrology"],"institution":"Leiden University Medical Center","institution_url":"https://www.findmykol.com/institution/leiden-university-medical-center","register":{"country":"NL"}},"identifiers":{"openalex":"A5110017691"},"summary":"Leendert A. van Es is a Nephrology researcher affiliated with Leiden University Medical Center. OpenAlex indexes 257 publications with 15,533 citations (h-index 57).","overview":null,"focus":{"indications":[],"research_topics":["Nephrology"]},"scholarship":{"works_count":257,"cited_by_count":15533,"h_index":57,"source":"works"},"payments":{"note":"Not applicable. This profile is anchored outside the United States, where CMS Open Payments and Medicare prescribing do not report."},"similar":[{"name":"Ton N. Schumacher","slug":"ton-schumacher","institution":"Leiden University Medical Center","url":"https://www.findmykol.com/kol/ton-schumacher","json_url":"https://www.findmykol.com/kol/ton-schumacher/profile.json"},{"name":"Christian U. Blank","slug":"christian-blank","institution":"Leiden University Medical Center","url":"https://www.findmykol.com/kol/christian-blank","json_url":"https://www.findmykol.com/kol/christian-blank/profile.json"},{"name":"Jeroen J. Bax","slug":"jeroen-bax-nl","institution":"Leiden University Medical Center","url":"https://www.findmykol.com/kol/jeroen-bax-nl","json_url":"https://www.findmykol.com/kol/jeroen-bax-nl/profile.json"},{"name":"Ernst Evert van der Wall","slug":"ernst-wall","institution":"Leiden University Medical Center","url":"https://www.findmykol.com/kol/ernst-wall","json_url":"https://www.findmykol.com/kol/ernst-wall/profile.json"},{"name":"Andrew Levey","slug":"andrew-levey","institution":"Tufts Medical Center","specialty":"Nephrology","url":"https://www.findmykol.com/kol/andrew-levey","json_url":"https://www.findmykol.com/kol/andrew-levey/profile.json"},{"name":"Bertram Kasiske","slug":"bertram-kasiske","institution":"Hennepin Healthcare","specialty":"Nephrology","url":"https://www.findmykol.com/kol/bertram-kasiske","json_url":"https://www.findmykol.com/kol/bertram-kasiske/profile.json"},{"name":"Garabed Eknoyan","slug":"garabed-eknoyan","institution":"Baylor College of Medicine","specialty":"Nephrology","url":"https://www.findmykol.com/kol/garabed-eknoyan","json_url":"https://www.findmykol.com/kol/garabed-eknoyan/profile.json"},{"name":"Lawrence Hunsicker","slug":"lawrence-hunsicker","institution":"University of Iowa","specialty":"Nephrology","url":"https://www.findmykol.com/kol/lawrence-hunsicker","json_url":"https://www.findmykol.com/kol/lawrence-hunsicker/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":{}},"sources":{"works":{"name":"OpenAlex","url":"https://openalex.org","provides":"Citations, h-index, research topics, most-cited works and congress abstracts"}},"methodology_url":"https://www.findmykol.com/about#methodology"}