Juan Lessing, MD

Associate Professor, Medicine-Hospital Medicine

FacultyPhoto
Medical School
  • MD, University of California, San Francisco, School of Medicine (2011)
Undergraduate School
  • BA, Princeton University (NJ) (2005)
Internship
  • University of Washington Program (2012)
Residency
  • University of Washington Program, Chief Resident, Internal Medicine (2015)
Department
Medicine-Hospital Medicine

Publications

  • Lessing JN, Chopra V. What Drives Clinicians to Teach While Caring for Patients?. Acad Med. 2025 Mar 1;100(3):261-263. PubMed PMID: 39626117
  • Rodman A, Mark NM, Artino AR Jr, Lessing JN. Using Generative Artificial Intelligence in Medical Education. Acad Med. 2025 Feb 1;100(2):250. PubMed PMID: 39622003
  • Jagannath AD, Lessing JN, Shekarchian S. Expanding Horizons: The New Direction of the Exercises in Clinical Reasoning Series. J Gen Intern Med. 2024 Dec;39(16):3099-3100. PubMed PMID: 39249648
  • Lessing JN, Chopra V. Leadership & professional development: Enhance clinical excellence through proactive feedback. J Hosp Med. 2024 May;19(5):403-404. PubMed PMID: 38411038
  • Lessing JN, Manning KD. Leadership & professional development: Finding and making the most of your "professional home". J Hosp Med. 2024 Jan;19(1):51-52. PubMed PMID: 37726953
  • Marshall TL, Limes J, Lessing JN. Clinical progress note: Diagnostic error in hospital medicine. J Hosp Med. 2024 Jan;19(1):53-56. PubMed PMID: 37721312
  • Lessing JN, Rosenthal LD, Cumbler E. Evaluation of Peripheral Edema. BMJ Best Practice. Dec 31, 2024. Available at: https://bestpractice.bmj.com/topics/en-us/609.
  • 12. Lessing JN. “Brick by Brick: The Advocacy Journey of Dr. Lilia Cervantes.” Alpha Omega Alpha (AOA) Robert H. Moser Essay Award. The Pharos, Spring 2024. Available at : https://www.alphaomegaalpha.org/wp-content/uploads/2024/05/pp14-20_Lessing_Brick_SPR24.pdf
  • Fischer C, Lessing JN. Commentary on: Diagnostic Errors in Hospitalized Adults Who Died or Were Transferred to Intensive Care. In Practice Update Respiratory Medicine. Available at: https://www.practiceupdate.com/content/diagnostic-errors-in-hospitalized-adults-who-died-or-were-transferred-to-intensive-care/161348/65/20/1. Accessed February 02, 2024
  • David Klimpl, Stacey Staudinger, Marina Mutter, Juan N. Lessing. “Improving Clinical Reasoning for APPs: A Longitudinal Curriculum Based on SIDM Competencies.” Diagnostic Error in Medicine 16th International Conference, Society to Improve Diagnosis in Medicine, Cleveland, OH, October 8-11, 2023.
  • Elizabeth Konon, Anna Hagan, Juan N. Lessing. “The Art of Mastering Oral Case Presentations: A Third Year Medical Student’s Perspective.” University of Colorado Department of Medicine Research Day, Aurora, CO, April 18, 2023.
  • Elizabeth Konon, Anna Hagan, Juan N. Lessing. “The Art of Mastering Oral Case Presentations: A Third Year Medical Student’s Perspective.” University of Colorado Academy of Medical Educators, Education Symposium, Aurora, CO, April 24-26, 2023.
  • David Klimpl, Stacey Staudinger, Marina Mutter, Juan N. Lessing. “Improving Clinical Reasoning for PAs and NPs: A Longitudinal Curriculum Based on SIDM Competencies.” European Conference Diagnostic Error in Medicine, Society to Improve Diagnosis in Medicine, Utrecht, Netherlands, Jul 2-4, 2023.
  • Lessing JN, Manning KD. Leadership & Professional Development: Finding and Making the Most of Your "Professional Home". J Hosp Med. 2024 Jan;19(1):51-52. Epub ahead of print 2023 Sep 19. PMID: 37726953.
  • Marshall TL, Limes J, Lessing JN. Clinical Progress Note: Diagnostic Error in Hospital Medicine. J Hosp Med. 2024 Jan; 19(1):53-56. Epub ahead of print 2023 Sep 18. PMID: 37721312.
  • Bryant AD, Pitman SK, Lessing JN. Trust but verify: A case report of unintended medication omission. Clin Case Rep. 2023 Jan;11(1):e6800. PubMed PMID: 36619493
  • Konon EN, Hagan AF, Lessing JN. “The Art of Mastering Oral Case Presentations: A Third Year Medical Student’s Perspective.” in-Training, the online peer-reviewed publication for medical students. Published February 27, 2023. https://in-training.org/the-art-of-mastering-oral-case-presentations-a-third-year-medical-students-perspective-26800 Infographic: http://in-training.org/wp-content/uploads/2023/02/The-Art-of-Mastering-Oral-Case-Presentations.pdf
  • Stella SA, Lessing JN, Saunders M, Fluker SA. Meeting the Promise of Tomorrow at the Intersection of Housing and Health.” SGIM Forum Mar 2023. https://connect.sgim.org/sgimforum/viewdocument/meeting-the-promise-of-tomorrow-at
  • Lessing JN, Wrenn K, Saunders S, Dalie J, Lee-Noonan T, Luciano G. “Lessons Learned from a Virtual and Combined Regional SGIM Meeting: Some Renewed, Some Anew.” SGIM Forum Mar 2023. https://connect.sgim.org/sgimforum/viewdocument/lessons-learned-from-a-virtual-and
  • Bianchina N, Sargsyan Z, Zipse M, Lessing JN. “Key Clinical Question: What are Common Pitfalls in Measuring the QTc interval in Hospitalized Adult Patients?” The Hospitalist August 1, 2023. p16-17. https://www.the-hospitalist.org/wp-content/uploads/2023/07/Hospitalist0823.pdf
  • Lessing JN. In The Literature: “Cellulitis is Frequently Misdiagnosed.” The Hospitalist. December 2023, p6. https://www.the-hospitalist.org/wp-content/uploads/2023/11/Hospitalist1223.pdf
  • Lessing JN, Pierce RG, Dhaliwal G. The Reply. Am J Med. 2022 Oct;135(10):e405. PubMed PMID: 36180182
  • Lessing JN, Pierce RG, Dhaliwal G. Teaching More About Less: Preparing Clinicians for Practice. Am J Med. 2022 Jun;135(6):673-675. PubMed PMID: 35263635
  • Lessing JN, Mark NM, Pierce RG. How to Get More Juice From Each Squeeze: Maximizing Outputs From Academic Efforts. Acad Med. 2022 Jul 1;97(7):1089. PubMed PMID: 34647924
  • Lessing JN, McGarry K, Schiffman F, Austin M, Hepokoski M, Keniston A, Tammaro D, Finn KM. The State of Morning Report in the Current Healthcare Landscape: a National Survey of Internal Medicine Program Directors. J Gen Intern Med. 2022 May;37(7):1665-1672. PubMed PMID: 34585310
  • Levandowski C, Buehler A, Lessing JN, Hanna H. “Diabetes, Drinking, and Dirt: A Cautionary Tale of Disseminated Nocardiosis. The Diagnostic Error in Medicine 14th Annual International Conference. Diagnosis, vol. 9, no. 2, 2022, pp. 294-386, online eA19. https://doi.org/10.1515/dx-2022-0024.
  • Stein S, Anstett T, Foster L, Lessing JN. “How We Frame Diagnostic Error In Comfort-Focused Settings: A Case of Missed Coccidioides.” The Diagnostic Error in Medicine 14th Annual International Conference. Diagnosis, vol. 9, no. 2, 2022, pp. 294-386, online eA21-2. https://doi.org/10.1515/dx-2022-0024
  • Lessing A & Lessing JN. “Unexpected Worry with Increasing Survivorship: A Patient's Story of MPNST Pseudoprogression Mistaken as Recurrence.” The Diagnostic Error in Medicine 14th Annual International Conference. Diagnosis, vol. 9, no. 2, 2022, pp. 294-386, online eA60. https://doi.org/10.1515/dx-2022-0024
  • Mistry M & Lessing JN. "Intention to Treat": Judicious Antibiotic Use In Asymptomatic Bacteriuria.” The Diagnostic Error in Medicine 14th Annual International Conference. Diagnosis, vol. 9, no. 2, 2022, pp. 294-386, online eA60-1. https://doi.org/10.1515/dx-2022-0024
  • Scudder D, Weinberg M, Freifeld A, Lessing JN. “A Snapshot in Time: The Challenge to Meet Diagnostic Criteria in a Patient with Hemophagocytic Lymphohistiocytosis.” The Diagnostic Error in Medicine 14th Annual International Conference. Diagnosis, vol. 9, no. 2, 2022, pp. 294-386, online eA62-3. https://doi.org/10.1515/dx-2022-0024
  • Ackil A, Lessing J, Pearce B, and Smith T. (2022-05-02). A 29-year-old male presenting with cough and hematemesis. The Human Diagnosis Project, Global Morning Report. Available online at: https://www.humandx.org/o/134yqvduci5d89bflahn9imk1
  • Brickson C, Lessing J, Ururahy R and Kumfer A. (2022-05-03). 47-year-old man with headaches, fever, and dark urine. The Human Diagnosis Project, Global Morning Report. Available online at: https://www.humandx.org/o/4r0xnol4fwvhnokzaczjhm527
  • Adams B, Lorenzi F, Lessing J, Rezigh A, and Smith T. (2022-05-04). An 82 year-old woman presenting with worsening confusion. The Human Diagnosis Project, Global Morning Report. Available online at: https://www.humandx.org/o/3w2tym64q2q5k6csnppntojtx
  • Mistry N, Lessing J, Rezigh A, and Kumfer A. (2022-05-05). 35-year old man presenting with shortness of breath. The Human Diagnosis Project, Global Morning Report. Available online at: https://www.humandx.org/o/1k1bo02ipcw9zr9mthns6l787
  • Curchin A, Lessing J, Ururahy R, and Kumfer A. (2022-05-06). A 57-year-old woman with nausea, abdominal and back pain. The Human Diagnosis Project, Global Morning Report. Available online at: https://www.humandx.org/o/2qx5av818mez7rhyht6dhz9gy
  • Moudgal A, Lessing J, Pearce B, and Smith T. (2022-05-11). A 71-year-man presenting with generalized weakness and dyspnea. The Human Diagnosis Project, Global Morning Report. Available online at:[goog_1451391219] https://www.humandx.org/o/bvj1fwtmkwbij0vq7kjls2igl
  • Jenks C, Misky G, Lessing J. 37-year-old man presenting with diffuse, erythematous rash. The Human Diagnosis Project, Global Morning Report. Available online.
  • Horton S, Lessing J. 56-year-old immunosuppressed woman presenting with exertional dyspnea. The Human Diagnosis Project, Global Morning Report. Available online.
  • Metz J, Briggs H, Lessing J. 54-year-old woman who presenting with acute encephalopathy for the last 3 weeks. The Human Diagnosis Project, Global Morning Report. Available online.
  • Lessing JN, Wallace MA. “The Seed for the ‘Forest for the Trees’ Humanism in Medicine Story Contest.” American College of Physicians Council of Early Career Physicians series How’d They Do That? September 2021. https://www.acponline.org/about-acp/who-we-are/leadership/boards-committees-councils/council-of-early-career-physicians/cecp-newsletter/archive/september-2021/howd-they-do-that
  • Holec K, Lessing J, Kumfer A, Jackson C. (2021-04-19). 53-year-old woman presenting with confusion and weakness. The Human Diagnosis Project, Global Morning Report. Available online at: https://www.humandx.org/o/5gm4hj5gcp7flolluaqki7vvi
  • Sullivan K, Lessing J, Ford B, Smith T. (2021-05-03). 81-year-old female presenting with spontaneous bruising. The Human Diagnosis Project, Global Morning Report. Available online at: https://www.humandx.org/o/ckzm41jl45z4h91evpkrlrvzm
  • Klimenko M, Lessing J, Smith T, Kumfer A. (2021-05-04). A 62-year-old man presenting with rash. The Human Diagnosis Project, Global Morning Report. Available online at: https://www.humandx.org/o/02kz2k0wrwb08czh5d9hgftgs
  • Mistry N, Lessing J, Al Danaf J, Jackson C. (2021-05-06). 42-year-old woman presenting to the ED with worsening leg swelling. The Human Diagnosis Project, Global Morning Report. Available online at: https://www.humandx.org/o/7hp9wrohq4xlj9ldpcgipi71i
  • *Benjamin Staum, Juan N. Lessing, *Deepa Ramadurai. Overuse Phlebotomy and Impact on Organ Transplant. Colorado Chapter American College of Physicians, virtual conference, February 4-6, 2021.
  • Andres Lessing & Juan N. Lessing. “Unexpected Worry with Increasing Survivorship: A Patient's Story of MPNST Pseudoprogression Mistaken as Recurrence.” Diagnostic Error in Medicine 14th Annual International Conference, Society to Improve Diagnosis in Medicine, virtual conference, October 25-27, 2021.
  • *David Scudder, *Molly Weinberg, *Alana Freifeld, Juan N. Lessing. “A Snapshot in Time: The Challenge to Meet Diagnostic Criteria in a Patient with Hemophagocytic Lymphohistiocytosis.” Diagnostic Error in Medicine 14th Annual International Conference, Society to Improve Diagnosis in Medicine, virtual conference, October 25-27, 2021.
  • *Cecilia Levandowski, *Anna Buehler, Juan N. Lessing, Reem Hanna. “Diabetes, Drinking, and Dirt: A Cautionary Tale of Disseminated Nocardiosis.” Diagnostic Error in Medicine 14th Annual International Conference, Society to Improve Diagnosis in Medicine, virtual conference, October 25-27, 2021.
  • *Eva Stein, Tyler Anstett, Laura Foster, Juan N. Lessing. “How We Frame Diagnostic Error In Comfort-Focused Settings: A Case of Missed Coccidioides.” Diagnostic Error in Medicine 14th Annual International Conference, Society to Improve Diagnosis in Medicine, virtual conference, October 25-27, 2021.
  • Neelam Mistry & Juan N. Lessing. "Intention to Treat": Judicious Antibiotic Use In Asymptomatic Bacteriuria.” Diagnostic Error in Medicine 14th Annual International Conference, Society to Improve Diagnosis in Medicine, virtual conference, October 25-27, 2021.
  • Lessing AJ, Cote GM, DeLaney TF, Plotkin SR, Raskin KA, Lessing JN. Pseudoprogression of Malignant Peripheral Nerve Sheath Tumor in Patient with Neurofibromatosis Type 1, a Case Report. Case Rep Oncol. 2021 Sep-Dec;14(3):1342-1346. PubMed PMID: 34720939
  • Lessing JN, Mark NM, Pierce RG. How to Get More Juice From Each Squeeze: Maximizing Outputs From Academic Efforts. Acad Med. 2021 Oct 12. [Epub ahead of print] PubMed PMID: 34647924
  • Lessing JN, McGarry K, Schiffman F, Austin M, Hepokoski M, Keniston A, Tammaro D, Finn KM. The State of Morning Report in the Current Healthcare Landscape: a National Survey of Internal Medicine Program Directors. J Gen Intern Med. 2021 Sep 28. [Epub ahead of print] PubMed PMID: 34585310
  • Crowe B, Eckstrom E, Lessing JN. Missed Opportunity for Fall Prevention: A Teachable Moment. JAMA Intern Med. 2021 May 1;181(5):689-690. PubMed PMID: 33749713
  • Lessing JN, Yazdani Farsad Y, Cumbler E. Letter to the Editor: Eradicating Jargon-Oblivion-A Proposed Classification System of Medical Jargon. J Gen Intern Med. 2021 Apr;36(4):1111. PubMed PMID: 33506389
  • Crowe B, Tahhan SG, Lacy C, Grzankowski J, Lessing JN. Things We Do for No Reason™: Routine Correction of Elevated INR and Thrombocytopenia Prior to Paracentesis in Patients with Cirrhosis. J Hosp Med. 2021 Feb;16(2):102-104. PubMed PMID: 32966201
  • Lessing JN, Rendon P, Durning S, Roesch JJ. Approaches to Clinical Reasoning Assessment [published online ahead of print January 14, 2020]. Acad Med. doi:10.1097/ACM.0000000000003154
  • Crowe B, Tahhan SG, Lacy C, Grzankowski J, Lessing JN. Things We Do for No Reason™: Routine Correction of Elevated INR and Thrombocytopenia Prior to Paracentesis in Patients with Cirrhosis. J Hosp Med. 2020 Sep 23. [Epub ahead of print] PubMed PMID: 32966201
  • Lessing JN, Anderson LR, Mark NM, Maggio LA, Durning SJ. Academics in Absentia: An Opportunity to Rethink Conferences in the Age of Coronavirus Cancellations. Acad Med. 2020 Dec;95(12):1834-1837. PubMed PMID: 32852317
  • Lessing JN, Rendón P, Durning SJ, Roesch JJ. Approaches to Clinical Reasoning Assessment. Acad Med. 2020 Aug;95(8):1285. PubMed PMID: 31972679
  • Lessing JN, Wheeler DJ, Beaman J, Diaz MJ, Dhaliwal G. How to facilitate an unscripted morning report case conference. Clin Teach. 2020 Aug;17(4):360-365. PubMed PMID: 31749299
  • Greenblatt HK, Lessing JN, Cumbler C. “A Head-Scratcher Without An Itch: Presumptive Primary Biliary Cholangitis In An Elderly Man.” J Gen Intern Med. 2020.
  • Waymel W, Hudler A, Lessing JN. “Searching for the Antigen: A Case of Recurring Hypoxia.” J Gen Intern Med. 2020.
  • McGee C, Lessing JN. “Speed Up a Slow Down: Recognizing GLP-1 Gastroparesis and SGLT-2 Euglycemic DKA.” J Gen Intern Med. 2020.
  • Lewien P, Lessing JN, Dietsche C. “A Common Drug Causing An Unusual Eruption: Furosemide Triggering Bullous Pemphigoid.” J Gen Intern Med. 2020.
  • Cumbler E, Lessing J, Simpson J, Anstett T. “I Think I Have Been Poisoned: Distinguishing KGB Assassination from Shoshin BeriBeri.”. Abstract published at Hospital Medicine 2019, March 24-27, National Harbor, Md. Abstract 617. https://www.shmabstracts.com/abstract/i-think-i-have-been-poisoned-distinguishing-kgb-assasination-from-shoshin-beriberi/.
  • Ow GM, Berger GN, Connor DM, Geha R, Lessing J, Manesh R, Kohlwes J, Stetson GV. “ClinicalReasoning.org: Improving access and engagement with clinical reasoning materials through website redesign.” Abstract published at Hospital Medicine 2019, March 24-27, National Harbor, Md. Abstract 86. https://www.shmabstracts.com/abstract/clinicalreasoning-org-improving-usage-of-teaching-materials-via-website-redesign/.
  • Murray E, Lessing JN, Levy A, Miranda ME. Rapid-Onset Quadriparesis and Respiratory Failure in a Patient That Walked to the Hospital.” J Gen Intern Med. 2019;34(Suppl 2):S617.
  • Allen SJ, Lessing JN, Anderson M. Thyrotoxic Periodic Paralysis: A Reflexive Diagnosis. J Gen Intern Med. 2019;34(Suppl 2):S665-6.
  • Ow GM, Berger G, Lessing JN, Connor DM, Geha R, Manesh R, Kohlwes J, Stetson GV. ClinicalReasoning.org: Improving access and engagement with clinical reasoning teaching materials through website redesign. J Gen Intern Med. 2019;34(Suppl 2):S793-4.
  • Rezigh AB and Lessing JN. “When the Script Doesn’t Fit: Not All That Coughs is Pneumonia.” The Diagnostic Error in Medicine 12th Annual International Conference. Diagnosis. Epub 2019 Nov 2;6(4):eA82.
  • Duarte C, Zoucha J, Lessing JN. “A ‘Rheumination’ on Failure To Thrive.” The Diagnostic Error in Medicine 12th Annual International Conference. Diagnosis. Epub 2019 Nov 2;6(4):eA73.
  • Caviglia C, Lessing JN, Klimpl D. “Diagnostic Challenges in Vulnerable Patient Populations.” The Diagnostic Error in Medicine 12th Annual International Conference. Diagnosis. Epub 2019 Nov 2;6(4):eA37.
  • Varela D, Officer L, Lessing JN. “A Frame of Mind: Misdiagnosis of Stroke Symptoms Resulting in Unnecessary Thrombolytic Administration.” The Diagnostic Error in Medicine 12th Annual International Conference. Diagnosis. Epub 2019 Nov 2;6(4):eA48.
  • Cantu DM and Lessing JN. “Blinded by the Pathway: Not All Troponins Are Myocardial Infarctions.” The Diagnostic Error in Medicine 12th Annual International Conference. Diagnosis. Epub 2019 Nov 2;6(4):eA36.
  • Cherry EM and Lessing JN. “Missed Connection: Imperfect Role of Imaging in Diagnosis of Esophagopleural Fistula.” The Diagnostic Error in Medicine 12th Annual International Conference. Diagnosis. Epub 2019 Nov 2;6(4):eA72-3.
  • Mistry N and Lessing JN. “Hands-on Handoffs: patient care transfers as opportunity to revisit a diagnosis in a patient with Anti-MDA5 Rapidly-Progressive Interstitial Lung Disease.” The Diagnostic Error in Medicine 12th Annual International Conference. Diagnosis. Epub 2019 Nov 2;6(4):eA79.
  • Jain S, Hansen S, Lessing JN. “Beyond the Big Three: Central retinal artery occlusion and digital ischemia due to underlying Eosinophilic Granulomatosis with Polyangiitis.” The Diagnostic Error in Medicine 12th Annual International Conference. Diagnosis. Epub 2019 Nov 2;6(4):eA39.
  • (McLernon) Ward T and Lessing JN. “The Importance of Direct Communication in Diagnosis: A Case of Non-Improving Sinus Symptoms.” The Diagnostic Error in Medicine 12th Annual International Conference. Diagnosis. Epub 2019 Nov 2;6(4):eA48.
  • Staudinger S and Lessing JN. “Bad Boyz Will Be Bad? Social Biases May Manifest as Cognitive Biases.” The Diagnostic Error in Medicine 12th Annual International Conference. Diagnosis. Epub 2019 Nov 2;6(4):eA46-7.
  • Meyer S and Lessing JN. “When We Listen To Each Other, Everyone Wins: a nurse’s experience saving a patient from an unnecessary procedure.” The Diagnostic Error in Medicine 12th Annual International Conference. Diagnosis. Epub 2019 Nov 2;6(4):eA41-2.
  • Juan Lessing, List of Clinical Reasoning and Teaching Resources for Chief Medical Residents, distributed to 2019-2020 Chief Medical Residents at all sites, University of Colorado IMRP.
  • Juan Lessing, Daniel Wheeler, Manuel Diaz, Jessica Beaman. A Facilitator’s Guide for Leading Unscripted Morning Report, distributed online and to workshop participants, Alliance for Academic Internal Medicine/Association of Program Directors in Internal Medicine, Academic Internal Medicine Week, March 14-17, 2019.
  • Lessing JN, Slingsby TJ, Betz M. Hyperacute Gonococcal Keratoconjunctivitis. J Gen Intern Med. 2019 Jan 16. [Epub ahead of print] PubMed PMID: 30652276
  • Lessing JN, Wheeler DJ, Beaman J, Diaz MJ, Dhaliwal G. How to facilitate an unscripted morning report case conference. Clin Teach. 2019 Nov 20. [Epub ahead of print] PubMed PMID: 31749299
  • Lessing JN, Bryan S, Johnson C, Keating J, Guerrasio J. Junior doctor remediation: an international reflection. Med J Aust. 2019 Dec;211(11):507-508.e1. PubMed PMID: 31742697
  • Lessing JN, Manesh R. Orbital Cellulitis with Subperiosteal Abscess (with Video). J Gen Intern Med. 2019 Nov;34(11):2684-2686. PubMed PMID: 31485972
  • Lane KP, Chia C, Lessing JN, Limes J, Mathews B, Schaefer J, Seltz LB, Turner G, Wheeler B, Wooldridge D, Olson AP. Improving Resident Feedback on Diagnostic Reasoning after Handovers: The LOOP Project. J Hosp Med. 2019 Oct 1;14(10):622-625. PubMed PMID: 31433779
  • Lessing JN, Lacy ME. A Student Reflection on Doctoring With Confidence. Ann Intern Med. 2019 May 21;170(10):739. PubMed PMID: 31108532
  • Lessing JN, Slingsby TJ, Betz M. Hyperacute Gonococcal Keratoconjunctivitis. J Gen Intern Med. 2019 Mar;34(3):477-478. PubMed PMID: 30652276
  • Subramanian A, Connor DM, Berger G, Lessing JN, Mehta N, Manesh R, Kohlwes J. A Curriculum for Diagnostic Reasoning: JGIM's Exercises in Clinical Reasoning. J Gen Intern Med. 2019 Mar;34(3):344-345. PubMed PMID: 30334181
  • Lessing JN, Mark NM, Wynia M, Cumbler E. Clinical Image Consent Requirements: Variability Among Top Ten Medical Journals. J Acad Ethics. 2019 June 21:1-5. doi.org/10.1007/s10805-019-09331-7
  • Subramanian A, Connor DM, Berger G, Lessing JN, Mehta N, Manesh R, Kohlwes J. A Curriculum for Diagnostic Reasoning: JGIM's Exercises in Clinical Reasoning. J Gen Intern Med. 2018 Oct 17. [Epub ahead of print] PubMed PMID: 30334181
  • Schaefer JK, Chia C, Lane K, Lessing J, Mathews BK, Olson AP, Turner G, Wheeler D. “Closing the LOOP: A multi-center initiative that uses peer-to-peer feedback to improve diagnostic reasoning in medical trainees.” J Hosp Med. 2018;13(4)(suppl).
  • Pujara M, Bettner L, Lessing JN. “Pyuria, Diagnostic momentum, and Intra-abdominal Sepsis in the Elder.” Diagnosis: Official Journal of the Society to Improve Diagnosis in Medicine. 2018; 5(4): eA111-2.
  • Schifeling C, Lessing JN. “Missing a Beat: the Delayed Diagnosis of Palliative Care in a Patient with End-Stage Heart Failure.” Diagnosis: Official Journal of the Society to Improve Diagnosis in Medicine. 2018; 5(4): eA152.
  • Jeannette Guerrasio and Juan N. Lessing. Book Chapter: “Remediating learning and performance of clinical reasoning in medicine.” In Clinical Reasoning in the Health Professions, 4th Ed. Eds Higgs J, Jones MA, Loftus S, Christensen N, Elsevier, 2018, pp 435-443.
  • Juan Lessing, List of Clinical Reasoning and Teaching Resources for Chief Medical Residents, distributed to 2018-2019 Chief Medical Residents at all sites, University of Colorado IMRP.
  • Juan Lessing*, Daniel Wheeler, Manuel Diaz, Jessica Beaman. A Facilitator’s Guide for Leading Unscripted Morning Report, distributed online and to workshop participants, Alliance for Academic Internal Medicine/Association of Program Directors in Internal Medicine, Academic Internal Medicine Week, March 18-21,2018.
  • Lessing JN, Mark NM, Cumbler E. "Consistently Inconsistent: Variability in Consent Requirements Among Medicine Journals that Publish Clinical Images.” J Hosp Med. 2017; 12(suppl 2).
  • Vindigni SM, Lessing JN, Carlbom DJ. Hospital resuscitation teams: a review of the risks to the healthcare worker. J Intensive Care. 2017;5:59. PubMed PMID: 29046809
  • Guerrasio J. Lessing JN. Remediation of weak clinical reasoning skills (La remediation des faibles compétences de raisonnement Clinique Pédagogie Médicale). Pédagogie Médicale. Epub 2017 Dec 15. DOI: 10.1051/pmed/2017022
  • Juan N Lessing, Evan M Caruso, Julia Clemons, Chad J DeMott, Kathleen P Lane, Benji K Mathews, Julie K Schaefer, Grant A Turner, Brittany Wheeler, and Andrew P Olson. “The LOOP Study: A Multi-Center, Interdisciplinary Initiative to Improve Diagnostic Reasoning and Patient Safety through Consistent, Rapid Feedback.” Diagnosis: Official Journal of the Society to Improve Diagnosis in Medicine. Epub 2017 Oct 5;4(4):eA55-6.
  • Juan N Lessing, Tara N Garland, Michael M Morcos, Geoffrey S Baird, John B Lynch. “Crystals in Time May Come: Misunderstanding Gout Lab Limitations.” Diagnosis: Official Journal of the Society to Improve Diagnosis in Medicine. Epub 2017 Oct 5;4(4):eA58-9.
  • Daniel Varela, Erin Armenia, Ethan Cumbler, Juan N. Lessing. “Diagnostic Momentum Leading to Delayed Diagnosis of Pulmonary Embolism.” Diagnosis: Official Journal of the Society to Improve Diagnosis in Medicine. Epub 2017 Oct 5;4(4):eA74-5.
  • Gabrielle Berger and Juan Lessing. Exercises in Clinical Reasoning: Dual Process Theory, Slides and Teacher’s Guide. Based on A 60-Year-Old Woman with Chorea and Weight Loss. J Gen Intern Med Web Only. Published 2017 Dec 6.
  • Juan Lessing, List of Clinical Reasoning and Teaching Resources for Chief Medical Residents, distributed to 2016-2017 Chief Medical Residents at all sites, University of Colorado Internal Medicine Residency Program.
  • Juan Lessing, Infective Endocarditis teaching module, For use in Clinical Skills Class for Advanced Practice Fellows. 2017
  • Juan Lessing*, Daniel Wheeler, Manuel Diaz, Jessica Beaman. A Facilitator’s Guide for Leading Unscripted Morning Report, distributed online and to workshop participants, Alliance for Academic Internal Medicine/Association of Program Directors in Internal Medicine, Academic Internal Medicine Week, Baltimore, MD, March 19-22, 2017.
  • Lessing JN, Mark NM. A Nutty Cause of Chronic Cough. J GEN INTERN MED (2016) 31(Suppl 2): 85. doi:10.1007/s11606-016-3657-7
  • Lessing JN, McGee S. Therapy for Cellulitis. JAMA. 2016 Nov 15;316(19):2046-2047. PubMed PMID: 27838713
  • Lessing JN, Mathias PC, Pierce RG. A Tincture of Time-Latent Crystal Formation and Clinical Decision-Making in Acute Gout: A Teachable Moment. JAMA Intern Med. 2016 Feb;176(2):165-6. PubMed PMID: 26658830
  • Lessing JN, Mathias PC, Pierce RG. A Tincture of Time-Latent Crystal Formation and Clinical Decision-Making in Acute Gout: A Teachable Moment. JAMA Intern Med. 2015 Dec 14;:1-2. [Epub ahead of print] PubMed PMID: 26658830
  • Mark NM, Lessing JN, Çoruh B. Crowning achievement: a case of dental aspiration. Radiol Case Rep. 2015 Dec;10(4):36-8. PubMed PMID: 26649115
  • Lessing JN, LaMotte ED, Moshiri AS, Mark NM. Perifollicular haemorrhage with corkscrew hair due to scurvy. Postgrad Med J. 2015 Dec;91(1082):719-20. PubMed PMID: 26508719
  • Mark NM, Lessing JN, Buckley SA, Tierney LM Jr. Diagnostic Utility of Food Terminology: Culinary Clues for the Astute Diagnostician. Am J Med. 2015 Sep;128(9):933-5. PubMed PMID: 25863151
  • Lessing JN, and Mark NM. “Six Precepts for Becoming a Good Senior Resident.” SGIM Forum 2015 Jun; 38(6):2,12.
  • Collins L, Schachtel A, Davis C, Triplette M, Lessing J, Knight C. “DRESS: A Deadly Rash.” SGIM- SGIM-Northwest, Portland, OR, February 6, 2015.
  • Tara Garland, Michael Morcos, Juan Lessing, James LoGerfo, Geoffrey Baird, John Lynch. “Crystals in Time May Come: Current Limitations in the Diagnosis of Gout” SGIM-Northwest, Portland, OR, February 6, 2015.
  • Naomi Avery, Scott Hagan, Juan N. Lessing. "A Sticky Situation: A Case of Recurrent Gastric Variceal Bleeding." SGIM-Northwest, Portland, OR, February 6, 2015.
  • Collins L, Schachtel A, Davis C, Triplette M, Lessing J, Knight C. “DRESS: A Deadly Rash.” American College of Physicians National Meeting, Boston, MA, April 28-May 2, 2015.
  • Bryan Lublin, Juan N. Lessing. “Two Infections for the Price of One” (concomitant Parvovirus B19 and Epstein-Barr virus). Annual Rocky Mountain Hospital Medicine Symposium, Denver, October 4-6, 2015.
  • Evavold C, Lessing JN, Tzou W, Merritt F. Key Clinical Question: Should patients who develop post-operative atrial fibrillation be started on anticoagulation? The Hospitalist. (In submission)
  • Crowe B, Eckstrom E, Lessing JN. Missed Opportunity for Fall Prevention: A Teachable Moment. Accepted to JAMA IM.
  • Lessing JN, Mark NM, Pierce RG. AM Last Page: How to Get More Juice From Each Squeeze: maximizing outputs from academic efforts. Accepted to Academic Medicine.
  • Lessing JN, Yazdani Farsad Y, Cumbler E. Eradicating Jargon-Oblivion—A Proposed Classification System of Medical Jargon. Accepted to J Gen Intern Med.
  • Crowe BD, Lessing JN. Routine Correction of Elevated INR and Thrombocytopenia Prior to Paracentesis in Patients with Cirrhosis. Accompanying Slide Deck, 2021. Tool published at (***link to be added by JHM)
  • Jeannette Guerrasio and Juan N. Lessing. Book Chapter: “Remediating learning and performance of clinical reasoning in medicine.: (Submitted to Joy Higgs, book editor, anticipated publication 2017)
  • Lessing JN, Pierce RG, Dhaliwal G. Teaching More About Less: Preparing Clinicians for Practice. Accepted to The American Journal of Medicine.
  • Barth B, Okanlami O, Lessing JN. Chapter: Upholding Professionalism in a Transformative Era of Medicine. Medical Professionalism Best Practices: Professionalism in a Relentless World. Alpha Omega Alpha Honor Medical Society; 2024 (In Press).
  • Barth B, Okanlami O, Lessing JN (Eds).ve Era of Medicine. Medical Professionalism Best Practices: Professionalism in a Relentless World. Alpha Omega Alpha Honor Medical Society; 2024 (In Press).
  • Lessing JN. “Brick by Brick: The Advocacy Journey of Dr. Lilia Cervantes.” The Pharos.
  • Fischer C, Lessing JN. Commentary on Diagnostic Errors in Hospitalized Adults Who Died or Were Transferred to Intensive Care. In Practice Update: Respiratory Medicine. 2024.

Practice Locations

UCHealth University of Colorado Hospital (UCH)
12605 E. 16th Ave
Aurora, CO 80045
720-848-0000

Hospital Affiliation
  • University of Colorado Hospital

Specialty Information

Specialties
  • Internal Medicine, Board Certification (2014)

School of Medicine

CU Anschutz
Fitzsimons Building

13001 East 17th Place

Aurora, CO 80045

303.724.5375

School
General
Students