{"schema_version":"1","generated_at":"2026-10-28T04:01:54.694Z","data_as_of":null,"url":"https://www.findmykol.com/kol/lenar-yessayan","json_url":"https://www.findmykol.com/kol/lenar-yessayan/profile.json","record_kind":"basic","profile_kind":"clinical","person":{"slug":"lenar-yessayan","name":"Lenar Yessayan","credential":"MD","specialty":"Nephrology","specialty_raw":"Nephrology","therapeutic_area":"Nephrology","therapeutic_areas":["Nephrology"],"institution":"University of Michigan","institution_url":"https://www.findmykol.com/institution/university-of-michigan","city":"Ann Arbor","state":"MI","region":{"label":"Midwest","url":"https://www.findmykol.com/region/midwest"}},"identifiers":{"npi":"1023210861","orcid":"0000-0002-8955-1292","openalex":"A5082758765"},"summary":"Lenar Yessayan is a Nephrology physician affiliated with University of Michigan. OpenAlex indexes 108 publications with 1,804 citations (h-index 21); ClinicalTrials.gov lists 2 registered studies matched to this name.","overview":null,"focus":{"indications":[],"research_topics":["Nephrology"]},"scholarship":{"works_count":108,"cited_by_count":1804,"h_index":21,"latest_activity_year":2025,"source":"works"},"trials":{"count":2,"shown":2,"withheld":0,"matched_by":"investigator name, confirmed against institution and geography","rows":[{"nct":"NCT04898010","title":"The Selective Cytopheretic Device (SCD) for Acute Kidney Injury (AKI) and Hepatorenal Syndrome (HRS) Type I","phase":"NA","status":"SUSPENDED","role":"Overall official","sponsor":"Lenar Yessayan","source_url":"https://clinicaltrials.gov/study/NCT04898010","trial_url":"https://www.findmykol.com/trial/NCT04898010"},{"nct":"NCT03539861","title":"Immunomodulatory Biomimetic Device to Treat Myocardial Stunning in End-stage Renal Disease Patients","phase":"NA","status":"TERMINATED","role":"Overall official","sponsor":"University of Michigan","source_url":"https://clinicaltrials.gov/study/NCT03539861","trial_url":"https://www.findmykol.com/trial/NCT03539861"}],"source":"trials"},"payments":{"company_count":7,"program_years":{"first":2021,"last":null},"rows_total":15,"shown":3,"withheld":12,"rows":[{"payer":"Vantive US Healthcare LLC","program_year":2025,"amount_usd":24380.32,"payment_count":30,"source_url":"https://openpaymentsdata.cms.gov/search?query=1023210861"},{"payer":"NxStage Medical, Inc.","program_year":2025,"amount_usd":245.31,"payment_count":3,"source_url":"https://openpaymentsdata.cms.gov/search?query=1023210861"},{"payer":"Mallinckrodt Hospital Products Inc.","program_year":2025,"amount_usd":114.52,"payment_count":1,"source_url":"https://openpaymentsdata.cms.gov/search?query=1023210861"}],"record_url":"https://openpaymentsdata.cms.gov/search?query=1023210861","source":"payments"},"publications":{"total":50,"shown":5,"withheld":45,"matched_by":"OpenAlex author record","recent":[{"title":"Selective Cytopheretic Device Use in Continuous Kidney Replacement Therapy in Children: A Cohort Study With a Historical Comparator","year":2024,"journal":"Kidney Medicine","source_url":"https://doi.org/10.1016/j.xkme.2024.100792","status":"verified"},{"title":"Translation of immunomodulatory therapy to treat chronic heart failure: Preclinical studies to first in human","year":2023,"journal":"PLoS ONE","source_url":"https://doi.org/10.1371/journal.pone.0273138","status":"verified"},{"title":"Anticoagulation practices for continuous renal replacement therapy: a survey of physicians from the United States","year":2023,"journal":"Renal Failure","source_url":"https://doi.org/10.1080/0886022x.2023.2290932","status":"verified"},{"title":"Proceedings of the 2022 UAB CRRT Academy: Non-Invasive Hemodynamic Monitoring to Guide Fluid Removal with CRRT and Proliferation of Extracorporeal Blood Purification Devices","year":2023,"journal":"Blood Purification","source_url":"https://doi.org/10.1159/000533573","status":"verified"},{"title":"Safety Summary of the Selective Cytopheretic Device: A Review of Safety Data Across Multiple Clinical Trials in ICU Patients With Acute Kidney Injury and Multiple Organ Failure","year":2023,"journal":"Critical Care Explorations","source_url":"https://doi.org/10.1097/cce.0000000000000995","status":"verified"}],"source":"works"},"contact":{"address_1":"2850 SOUTH INDUSTRIAL HWY","city":"Ann Arbor","state":"MI","zip":"481046796","phone":"734-677-1490","source_url":"https://npiregistry.cms.hhs.gov/provider-view/1023210861","source":"identity"},"similar":[{"name":"Max Wicha","slug":"max-wicha","institution":"University of Michigan","specialty":"Medical Oncology","url":"https://www.findmykol.com/kol/max-wicha","json_url":"https://www.findmykol.com/kol/max-wicha/profile.json"},{"name":"Dinesh Khanna","slug":"dinesh-khanna","institution":"University of Michigan","specialty":"Rheumatology","url":"https://www.findmykol.com/kol/dinesh-khanna","json_url":"https://www.findmykol.com/kol/dinesh-khanna/profile.json"},{"name":"Eva Feldman","slug":"eva-feldman","institution":"University of Michigan","specialty":"Neurology","url":"https://www.findmykol.com/kol/eva-feldman","json_url":"https://www.findmykol.com/kol/eva-feldman/profile.json"},{"name":"Matthias Kretzler","slug":"matthias-kretzler","institution":"University of Michigan","specialty":"Nephrology","url":"https://www.findmykol.com/kol/matthias-kretzler","json_url":"https://www.findmykol.com/kol/matthias-kretzler/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":{"payments":12,"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":"2026-01-14","provider_certified":"2026-01-14","collected_at":"2026-10-27T00:00:00.000Z"},"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"}