Jon B. Klein, M.D., Ph.D.

Jon B. Klein, M.D., Ph.D.

Jon B. Klein, M.D., Ph.D., FASN

UofL Physicians Outpatient Center
401 East Chestnut Street, Ste. 690
Louisville, KY 40202

502-852-5757 - Academic Office
502-588-4714 - Patient Appointments


Clinical Expertise
Diabetic Nephropathy


Board Certifications

  • American Board of Internal Medicine -
    Internal Medicine / Nephrology

Education and Training

  • Medical School: University of Texas Medical Branch (Galveston)
  • Residency: University of Kansas Medical Center (Kansas City)
  • Fellowship: University of Louisville
  • Ph.D.: University of Louisville

Featured Publications

  • Cummins TD, Korte EA, Bhayana S, Merchant ML, Barati MT, Smoyer WE, Klein JB. Advances in proteomic profiling of pediatric kidney diseases. Pediatr Nephrol. 2022 Feb 26. doi: 10.1007/s00467-022-05497-2. Epub ahead of print. PMID: 35220505.
  • Schneider G, Kaliappan A, Nguyen TQ, Buscaglia R, Brock GN, Hall MB, DeSpirito C, Wilkey DW, Merchant ML, Klein JB, Wiese TA, Rivas-Perez HL, Kloecker GH, Garbett NC. The Utility of Differential Scanning Calorimetry Curves of Blood Plasma for Diagnosis, Subtype Differentiation and Predicted Survival in Lung Cancer. Cancers (Basel). 2021 Oct 23;13(21):5326. doi: 10.3390/cancers13215326. PMID: 34771491; PMCID: PMC8582427.
  • Hamorsky KT, Bushau-Sprinkle AM, Kitterman K, Corman JM, DeMarco J, Keith RJ, Bhatnagar A, Fuqua JL, Lasnik A, Joh J, Chung D, Klein J, Flynn J, Gardner M, Barve S, Ghare SS, Palmer KE. Serological assessment of SARS-CoV-2 infection during the first wave of the pandemic in Louisville Kentucky. Sci Rep. 2021 Sep 14;11(1):18285. doi: 10.1038/s41598-021-97423-z. PMID: 34521900; PMCID: PMC8440627.
  • Al-Rabadi LF, Caza T, Trivin-Avillach C, Rodan AR, Andeen N, Hayashi N, Williams B, Revelo MP, Clayton F, Abraham J, Lin E, Liou W, Zou CJ, Ramkumar N, Cummins T, Wilkey DW, Kawalit I, Herzog C, Storey A, Edmondson R, Sjoberg R, Yang T, Chien J, Merchant M, Arthur J, Klein J, Larsen C, Beck LH Jr. Serine Protease HTRA1 as a Novel Target Antigen in Primary Membranous Nephropathy. J Am Soc Nephrol. 2021 May 5;32(7):1666–81. doi: 10.1681/ASN.2020101395. Epub ahead of print. PMID: 33952630; PMCID: PMC8425645.
  • Caster DJ, Korte EA, Merchant ML, Klein JB, Barati MT, Joglekar A, Wilkey DW, Coventry S, Hata J, Rovin BH, Harley JB, Namjou-Khales B, McLeish KR, Powell DW. Patients with Proliferative Lupus Nephritis Have Autoantibodies That React to Moesin and Demonstrate Increased Glomerular Moesin Expression. J Clin Med. 2021 Feb 16;10(4):793. doi: 10.3390/jcm10040793. PMID: 33669337; PMCID: PMC7920286.
  • Brier ME, Gooding JR, Harrington JM, Burgess JP, McRitchie SL, Zhang X, Rovin BH, Klein JB, Himmelfarb J, Sumner SJ, Merchant ML. Serum trace metal association with response to erythropoiesis stimulating agents in incident and prevalent hemodialysis patients. Sci Rep. 2020 Nov 19;10(1):20202. doi: 10.1038/s41598-020-77311-8. PMID: 33214633; PMCID: PMC7677396.
  • Satoskar AA, Shapiro JP, Jones M, Bott C, Parikh SV, Brodsky SV, Yu L, Nagaraja HN, Wilkey DW, Merchant ML, Klein JB, Nadasdy T, Rovin BH. Differentiating Staphylococcus infection-associated glomerulonephritis and primary IgA nephropathy: a mass spectrometry-based exploratory study. Sci Rep. 2020 Oct 14;10(1):17179. doi: 10.1038/s41598-020-73847-x. PMID: 33057112; PMCID: PMC7560901.
  • Samuel G, Crow J, Klein JB, Merchant ML, Nissen E, Koestler DC, Laurence K, Liang X, Neville K, Staggs V, Ahmed A, Atay S, Godwin AK. Ewing sarcoma family of tumors-derived small extracellular vesicle proteomics identify potential clinical biomarkers. Oncotarget. 2020 Aug 4;11(31):2995-3012. doi: 10.18632/oncotarget.27678. PMID: 32821345; PMCID: PMC7415402.
  • Merchant ML, Barati MT, Caster DJ, Hata JL, Hobeika L, Coventry S, Brier ME, Wilkey DW, Li M, Rood IM, Deegens JK, Wetzels JF, Larsen CP, Troost JP, Hodgin JB, Mariani LH, Kretzler M, Klein JB, McLeish KR. Proteomic Analysis Identifies Distinct Glomerular Extracellular Matrix in Collapsing Focal Segmental Glomerulosclerosis. J Am Soc Nephrol. 2020 Aug;31(8):1883-1904. doi: 10.1681/ASN.2019070696. Epub 2020 Jun 19. PMID: 32561683; PMCID: PMC7460901.
  • Butterfield AD, Wang B, Wu P, Hardas SS, Unrine JM, Grulke EA, Cai J, Klein JB, Pierce WM, Yokel RA, Sultana R. Plasma and Serum Proteins Bound to Nanoceria: Insights into Pathways by which Nanoceria may Exert Its Beneficial and Deleterious Effects In Vivo. J Nanomed Nanotechnol. 2020;11(4):546. Epub 2020 Jul 17. PMID: 34589268; PMCID: PMC8478346.