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Adjunct Faculty

Adjunct faculty typically have an academic or research appointment at another institution and contribute or collaborate with one or more School of Medicine faculty members or programs.

Adjunct rank details

Leora Horwitz, MD, MHS

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About

Biography

Leora Horwitz, MD is a general internist who studied social science as an undergraduate and is now a clinician researcher focused on quality and safety in healthcare. In particular, she focuses on systems and practices intended to bridge gaps or discontinuities in care. She has studied shift-to-shift transfers among physicians and among nurses, transfers from the emergency department to inpatient units, and the transition from the hospital to home. She is currently adjunct faculty at Yale; her primary work is at NYU Langone Health, where she directs the Center for Healthcare Innovation and Delivery Science and the division of healthcare delivery science in the Department of Population Health. Her current work is focused primarily on developing a learning health system through innovations in clinical delivery and in data capture and analysis.

Last Updated on May 20, 2025.

Departments & Organizations

Education & Training

Fellow
Yale University School of Medicine (2007)
MHS
Yale School of Medicine (2006)
Chief Resident
Mount Sinai Hospital (2004)
Resident
Mount Sinai Hospital (2003)
MD
Harvard Medical School (2000)
BA
Harvard University (1996)

Research

Overview

Medical Research Interests

Delivery of Health Care; Internship and Residency; Medical Errors; Operations Research; Quality of Health Care

Research at a Glance

Yale Co-Authors

Frequent collaborators of Leora Horwitz's published research.

Publications

2026

  • Extreme Urban Heat and Emergency Department Visits in Older Adults
    Siau E, Silva G, Lu J, Thiel C, Jones S, Horwitz L, Lichter K, Azan A. Extreme Urban Heat and Emergency Department Visits in Older Adults. JAMA Network Open 2026, 9: e262645. PMID: 41860548, PMCID: PMC13005158, DOI: 10.1001/jamanetworkopen.2026.2645.
    Peer-Reviewed Original Research
  • Social Determinants of Health and Pediatric Long COVID in the US
    Rhee K, Thaweethai T, Pant D, Stein C, Salisbury A, Kinser P, Kleinman L, Gallagher R, Warburton D, Mohandas S, Snowden J, Stockwell M, Tantisira K, Flaherman V, Teufel R, Castro L, Chung A, Espinoza Esparza J, Hockett C, Isidoro-Chino M, Krishnan A, McCormack L, Nabower A, Nahin E, Rosas J, Siddiqui S, Szmuszkovicz J, Vangeepuram N, Zimmerman E, Brown H, Carmilani M, Coombs K, Fisher L, Witvliet M, Wood J, Milner J, Rosenzweig E, Irby K, Karlson E, Qian Z, Lamendola-Essel M, Hasson D, Katz S, Yin H, Foulkes A, Gross R, Irby K, Zani K, Arthur L, Brown A, Evans D, Hill T, Hobart-Porter L, Howard L, Hummel K, Krehbiel H, Yount P, Elliott A, Adam G, Angal J, Barber M, Clark K, Dos Reis C, Freesemann M, Friedrich C, Hockett C, Johannsen R, Johnson-Vonk E, Kaiser C, Kruse A, Lang J, Lim P, McCoy M, Miller L, Petereit (Cerkovnik) S, RiChard (Werpy) J, Seiler J, Sundleaf B, Svendsen J, Trosper B, Vermeulen O, Young S, Palumbo P, Dabney S, Fahrner M, Gallagher T, Martini K, McNally M, Vivensi Stiverson S, Kosut J, Balaraman V, Cheung J, Hong T, Kalua S, Minami E, Siu A, Tong M, Teufel II R, Atz A, Dantas M, Kasmarcak T, Milks K, Ross J, Ikomi C, Meyer M, Pellicciotti G, Phan T, Ravin K, Reynolds V, Strang A, Thacker D, Diamond H, DiGuglielmo M, Frizzola M, Goetter A, Heinle R, Katz C, Kowal K, Pressley S, Slavin L, Tran L, Witkin G, Zimmerman E, Agosto Roman G, Alshawabkeh A, Ayala Ortiz I, Casey V, Cordero J, De Jesus J, Galan Rivera C, Huerta-Montanez G, Otero N, Rivera Robles M, Roman P, Roman G, Rosario-Pabon Z, Santiago X, Velez-Vega C, Vergara C, Gordon S, Albarado B, Allen T, Attuso A, Ayers T, Bebler E, Bella G, Bennett A, Brown J, Carville A, Darby S, Devall K, Dragg A, Elderedge A, Fontenot E, Fry G, Gildersleeve B, Goff S, Harrington L, Hsia D, Jones L, Kaiser V, Lee Y, Lee S, LeJeune E, Leonhard R, Levatino J, Lewis D, Lloyd A, Monce R, Munro S, Phillips M, Pucheu B, Rachal E, Rood J, Roussel S, Rumsey R, Sanford C, Santos M, Stafford A, Thomassie A, Waguespack C, Walgamotte K, Welch M, Windham A, Stevenson M, Bell T, Boyd J, Dasgupta S, Deans S, Harris K, Hemmerle M, King S, McGuire C, Merten B, Morris S, Ray M, Reinhardt B, Shemwell S, Simeon T, Walker K, Watson S, Weakley K, McCulloh R, Figliomeni J, Fischer L, Hoover D, Morse M, Nabower A, Roberts E, Sato A, Von Bon J, Raissy H, Archuleta D, Brito R, Campbell R, Cavanagh K, Chavez J, Dehority W, Garcia-Soberanez N, Gronert E, Kadish M, Larrabee J, Lovato D, Luo K, Martinez N, Merlino A, Reese E, Ward S, Wilson K, Bogie A, Brown R, Butchee R, Fergeson G, McKee R, Mohler B, Moore T, Owens V, Stubbs S, VanWagoner T, Cowan K, Bethel M, Chassereau L, Lahiri T, Cottrell L, Lake L, Moffett K, Polak E, Stutler S, Workman C, Warburton D, Mohandas S, Wood J, Carpenter E, Dhindsa I, Mejia S, Moghadam N, Mulder C, O'Neil S, Osornio A, Rios A, Rosen S, Smith A, Tabibi D, Tang S, Teame A, Milner J, Stockwell M, Anderson B, Aquino T, Berg E, Caddle S, Catallozzi M, Chung W, Connors T, De A, Diaz Perez A, DiLorenzo M, Dumitriu D, Farooqi K, Fremed M, Goldman S, Kaplan K, Krishnan U, Layton A, Lignelli-Dipple A, McClaren S, Overdevest J, Rodriguez M, Rosenzweig E, Selman J, Silver W, Silverio R, Valdez de Romero A, Vargas C, Werzberger A, Caputo D, Leggieri C, Pretsch P, Kleinman L, Gaur S, Ayala J, Batra A, Cerracchio L, Folnagy A, Gennaro M, Gzemski S, Hao Y, Li S, Masoudpour Y, Moroso S, Ness-Cochinwala M, Patel A, Patel K, Pinsa A, Richlin B, Sharma H, Soto D, Suarez C, Vargas Forero B, Zaidi Z, Olson L, Davis K, Fiks A, Griffith M, Harris D, Macario E, Steffes J, Torres A, Selvarangan R, Banerjee D, Day C, Howell K, Mains M, Salazar J, Zempsky W, Bean E, DeFelice C, El Chebib H, Herbst K, Lesmes S, Michelow I, Santos M, Schulman N, Pace W, Brooks-Greien A, Colin K, Hester C, Juarez-Colunga A, Manning B, Shields J, Westfall J, York D, Aschner J, Clouser K, Griswold J, Lee D, Nowakowski A, Riordan M, Bukulmez H, Kaelber D, Aamir R, Abuzahrieh M, Bangalore N, Brown A, Dalton W, Fortuna S, Minium J, Rosolowski B, Nolan S, Ahmed A, Braniecki S, Contreras M, Dozor A, Jain S, Kaseta S, Krishnan S, Messer Z, Ramirez A, Singh A, WIlliams R, Rhee K, Tantisira K, Akerlundh A, Akshoomoff N, Arroyo M, Barrientos W, Bhattacharjee R, Chao B, Diaz M, Garcia S, Garcia S, Gomez G, Herrera T, Holguin M, Khare M, Kiernan E, Landeo Gutierrez J, Matta I, Reyes S, Ryu J, Sanchez C, Schreck A, Warner M, Hasan U, Ricciardi E, Trespalacios V, Faustino V, DeClement A, Oliveira C, Rhee K, Tantisira K, Acosta Valle D, Chao B, Choudhary A, Glenn-Arroyo M, Kiernan E, Landeo-Gutierrez J, Madan A, McConnaughey K, Ramos Vallejo L, Sanchez C, Suarez M, Kinser P, Salisbury A, Espinoza J, Moyer S, Rider A, Russell S, Schecter M, Stevenson L, Stein C, Caldas S, Castro Ovalle T, Chung A, Devinsky O, Farkas J, Isidoro-Chino M, Kesebir D, Kim E, Quarless A, Schlechter A, Srinivasan R, Tan R, D'Sa V, Barry F, Burton P, Cano Lorente R, Cummins C, Wehbe S, Brown S, Dale A, Jernigan T, Tapert S, Aguilar J, Benjamin D, Buchbinder N, Castro N, Emerson B, Garavan H, Graves J, Guerrero A, Linkersdoerfer J, Schooley R, Thompson W, Trinh T, Yang R, Herting M, Sowell E, Cisneros C, Goedde L, Manlhiot C, Gonzalez R, Laird A, Limia J, Aupperle R, Paulus M, El-Sabbagh N, Gray K, Squeglia L, Agbeh S, Herring C, Mckenzie B, Nagel B, Espinoza A, Hill A, Morales A, Baker F, Muller-Oehring E, Durley I, Dapretto M, Uddin L, Bookheimer S, Caldera C, Dzul J, Zarate C, Banich M, Badilla P, Keith J, Kumar G, Prazak K, Nixon S, Cardoso M, Sullivan M, Villard S, Chang L, Ernst T, Cloak C, Liang H, Ryan M, Heitzerg M, Conley J, Luciana M, Schroeder A, Clark D, Kim D, Retucci M, Freedman E, Foxe J, Ni Mhurchu S, Spallina S, McGlade E, Yurgelun-Todd D, Bell L, Cline K, Heinrich L, Renshaw P, Potter A, Barrett C, Lozon S, Spear S, Larson C, Lisdahl K, Nelson C, Paltzer Z, Peteet B, Bjork J, Neale M, Calonge O, Slattery N, Straub L, Barch D, Heath A, Madden P, Powell T, Schmitz D, Gee D, Xiang Z, Miller J, Newburger J, Trachtenberg F, Amarnath A, Ambrosoli J, Artis D, Bandari S, Birmingham E, Eyob L, Hayes K, Hu C, Joyce M, Kazlova V, Liu I, Marshall A, Mbizdenyuy D, Mu P, Rowe R, Sayles B, Zhang M, Jone P, Carr M, Goodell L, Kar W, Van't Hof K, Sexson K, Moussi E, Olukayode D, Pena S, Pignatelli R, Serrano F, Sexson Tejtel S, Shekerdemian L, Dionne A, Baker A, DeFerrantini S, Giorgio T, Khan N, Mahanta S, Son M, Oster M, Burnett M, Sanders-Lewis K, Szmuszkovicz J, Behzadian F, Canas C, Cheng A, Gawad M, Johnson P, Kazarians A, Sarkissian A, Scott B, Secules C, Su J, Vargas C, Votava-Smith J, Wagner-Lees S, Wang S, Wong P, Rao S, Chavez S, Reis G, Sanil Y, Aggarwal S, Almasnaah A, Kannikeswaran N, Meert K, Singh G, Spencer P, Sullivan N, Sundaralingam S, Undyala V, Ward E, Weber A, Williams Farr C, Bradford T, Johnston M, Elias M, Fiks A, Forrest C, Albizem D, Coffin S, Giglia T, Lupton K, Marks G, Morrison T, O'Connor S, Forsha D, Sachdeva R, Watkins D, Harahsheh A, Britton J, Fetch A, Krishnan A, Tariq O, Lang S, Almaguer M, Cnota J, Dugan L, Pickering E, Rathge K, Mitchell E, Capone C, Misra N, Shamailova O, Russell M, Doman T, Harris L, Hasbani K, Jani S, McCrindle B, Bainton J, Chrisant M, Alaby D, Barton N, Katz D, Smith P, Handler S, Block J, Cole R, Maldonado J, McHugh K, Atz A, Bickford M, Buckley J, Costello J, Dennis D, Emrath-Zwick E, Freeman M, Jackson L, Johnson M, Mack E, Pletzer S, Ruth N, Taylor C, Zyblewski S, Golub K, Rojas C, Rosalind K, Sanchez C, Srivastava S, Prospero C, Williams E, Zadokar V, Sabati A, Domian K, Herzberg A, Khanna S, Nowlen T, Park S, Porche J, Stack S, Truong D, Dunn A, Fagatele L, Joyce E, Lambert L, Dummer K, Bandy S, Burns J, Crane K, Hedge S, Pancheri J, Tremoulet A, Payne R, Stumpf M, Portman M, Kajimoto H, Hebson C, Hock K, Osakwe O, Morato J, Kadish M, Sharma K, Anguiano W, Ikemba C, Lozano A, Martinez M, Rojas W, Morgan L, Macias I, Owada C, Rangel M, Sykes M, Newman L, Abella J, Barnette Q, Bevc C, Beverly J, Ceger P, Croxford J, Cunningham E, Enger M, Fain K, Farris T, Hanlon S, Hines D, Johnson-Lawrence V, Jordan K, Lefebvre C, Linas B, Luukinen B, Mandal M, McKoy N, Nance S, Oakland A, Pasquarelli D, Quiner C, Sembajwe R, Shaw G, Thornburg V, Tosco K, Wright H, Gross R, Hochman J, Horwitz L, Katz S, Troxel A, Adler L, Akinbo P, Almenana R, Bello O, Bhuiyan S, Blachman N, Branski R, Briscoe J, Brosnahan S, Bueler E, Burgos Y, Caplin N, Chaplin D, Chen Y, Cheng S, Choe P, Choi J, Chung A, Church R, Cobos S, Croft N, Cruz Irving A, Del Boccio P, Díaz I, Doshi V, Ebel S, Faustin A, Febres E, Fine J, Fink S, Frontera J, Gallagher R, Gonzalez-Duarte A, Hasson D, Hill S, Islam S, Johnson S, Kansal N, Kenney R, Kewlani D, Lamendola-Essel M, Laynor G, Leon T, Lewczak Z, Linton J, Logan M, Malik N, Mamistvalova L, Mandel H, Maranga G, Mathews P, Mattoo A, Mei T, Mendelsohn A, Mercier E, Millar Vernetti P, Miller M, Mitchell M, Moreira A, Mudumbi P, Nahin E, Nair N, Nekulak J, Owens K, Parent B, Patibandla N, Petrov P, Postelnicu R, Randall I, Rao P, Rapkiewicz A, Rizzo J, Rosas J, Rose C, Saint-Jean C, Santacatterina M, Shah B, Shaukat A, Simon N, Simsir A, Stinson M, Tang W, Tatapudi V, Thawani S, Thomas M, Thorpe L, Tom M, Treiha E, Truong J, Udosen M, Velazquez-Perez J, Vernetti P, Vidal C, Viswanathan A, Wong C, Wood M, Wuller S, Yin S, Young C, Zaretsky J, Zavlunova S, Foulkes A, Karlson E, Murphy S, Ahirwar S, Ahmed S, Ainsworth L, Atchley-Challenner R, Avilach P, Balan T, Benik N, Benoit B, Bind M, Bonaventura W, Boutin N, Brion B, Cagan A, Cai T, Cao T, Castro V, Cerretani X, Chan J, Cheng D, Chibnik L, Ciriello M, Costenbader K, Dimitrov D, Estiri H, Fayad M, Feldman C, Gainer V, Ghosh B, Gollub R, Guan Z, Harris A, Helmer K, Hendrix A, Holzbach A, Huang W, Kaufman D, Keogh D, Kerr J, Klann J, Krishnamoorthy A, Lasky-Su J, Liao K, MacFadden D, Maram A, Martel M, Mendis M, Metta R, Monteiro J, Morales E, Morse R, Nazaire M, Neils G, Nguyen A, Norman J, Paik H, Pant D, Park H, Rabideau D, Reeder H, Rossi-Roh K, Santacroce L, Schlepphorst K, Schulte C, Selvaggi C, Shinnick D, Simons W, Simpson L, Sitak J, St. Jean Flanders M, Strasser Z, Thakrar M, Thaweethai T, Thorn M, Trewett P, Van Fleet D, Wagholikar K, Wang T, Wattanasin N, Weber G, Williams M, Zhang R, Cerda M, Clash V, Davis Blakley F, Taylor B, Zissis M, Akintonwa T, Blancero F, Brown H, Carmilani M, Copeland D, Hall Y, kondo K, Lerma L, Lindsay J, Marti H, Maughan C, Minor T, Vincent H, Burns J, Spudich S, Bailey C, Cicek M, Cortez M, Foulkes A, Goff D, Lasky-Su J, Metz T, Ofotokun I, Seshadri S, Stone J, Taylor B, Utz P, Williams N, Blomkalns A, Bassett I, Clifton R, Davis H, Erdmann N, Flaherman V, Gage Witvliet M, Goldberg M, Jain M, Klein J, Martinez T, McGrath R, Parthasarathy S, Pemu P, Rutter J, Anderson K, Aragon L, Azor-Sterlin M, Bander B, Basu L, Bishof K, Bolecek J, Burke C, Carignan E, Castro Baucom L, Chen H, Clash V, Cohen A, Cole S, Coombs K, Copeland V, Covington L, Cox W, Crawford S, Debrosse A, DeRosa R, Diggs M, Doster J, Douglas J, Dunn M, Edwards B, Evans L, Fisher L, Fisher K, Fitzgerald M, Fleming D, Gage Witliet M, Garbutt C, Ghormley T, Godwin T, Gressley A, Gustafson T, Hanlon W, Hassey T, Holmes V, Hornig M, Hornig M, Huff-Davis A, Jackson Love J, Jain N, Jones J, Kaleponi G, Karwowsky J, Kim C, Kindred E, La Londe-Pinkston J, Lam J, Letts R, Lewis J, Lima J, Lindsay D, Martinez A, McCorkell L, McCray N, McNulty M, Nguyen K, Nichols L, Noriega E, Nunes P, O'Brien L, Ortiz G, Owen S, Page J, Peddie A, Perlowski A, Phillips-Lorenzo E, Prentiss L, Raytselis N, Regino L, Rockwell M, Saldino R, Sapunar L, Savage S, Seibert E, Sekar A, Souder A, Spier E, Stanislawczyk M, Stein-Seroussi D, Sullivan C, Taylor E, Taylor K, Terry D, Wallace A, Warner J, White B, Wilensky R, Williams M, Williams N, Williams-Dawson K, Wylam A, Aschner J, Atz A, Banerjee D, Bogie A, Bukulmez H, Clouser K, Cottrell L, Cowan K, D’Sa V, Dozor A, Elliott A, Faustino E, Fiks A, Gaur S, Gennaro M, Gordon S, Hasan U, Hester C, Hogan A, Hsia D, Kaelber D, Kosut J, Krishnan S, McCulloh R, Michelow I, Nolan S, Oliveira C, Pace W, Palumbo P, Raissy H, Reyes A, Ross J, Salazar J, Selvarangan R, Stevenson M, Werzberger A, Westfall J, Zani K, Zempsky W, Chan J, Metz T, Newburger J, Truong D, Feldman C, Aupperle R, Baker F, Banich M, Barch D, Baskin-Sommers A, Bjork J, Dapretto M, Brown S, Casey B, Chang L, Clark D, Dale A, Ernst T, Fair D, Feldstein Ewing S, Foxe J, Freedman E, Friedman N, Garavan H, Gee D, Gonzalez R, Gray K, Heitzeg M, Herting M, Jacobus J, Laird A, Larson C, Lisdahl K, Luciana M, Luna B, Madden P, McGlade E, Müller-Oehring E, Nagel B, Neale M, Paulus M, Potter A, Renshaw P, Sowell E, Squeglia L, Uddin L, Wilson S, Yurgelun-Todd D. Social Determinants of Health and Pediatric Long COVID in the US. JAMA Pediatrics 2026, 180: 275-287. PMID: 41490011, PMCID: PMC12771387, DOI: 10.1001/jamapediatrics.2025.5485.
    Peer-Reviewed Original Research
  • Evaluating AI-Generated Clinical Summaries for Kidney Transplant Candidate Assessments Using Agent-Based Evaluation Framework
    Long J, Nawar J, Lonze B, Orandi B, Ali N, Donnelly C, Liyanage L, Boyarsky B, Horwitz L, Segev D, Mankowski M. Evaluating AI-Generated Clinical Summaries for Kidney Transplant Candidate Assessments Using Agent-Based Evaluation Framework. American Journal Of Transplantation 2026, 26: s89-s90. DOI: 10.1016/j.ajt.2025.12.194.
    Peer-Reviewed Original Research

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