Laura Marks, MD, PhD

Laura Marks, MD, PhD

Assistant Professor of Medicine

Dr. Marks is a core faculty member of the ID Fellowship Training Program, serving as Director of Fellow Basic/Translational research, infectious diseases and substance use. She specializes in clinical infectious diseases with a special focus on infectious complications in people who inject drugs, such as infective endocarditis and Hepatitis B & C virus infections. Other core research interests include infections in pregnant women.

Dr. Marks specializes in clinical infectious diseases with a special focus on infectious complications in people who inject drugs. She attends on the general infectious diseases consult service teaching fellows, residents, and students. She also sees patients in infectious diseases outpatient clinic where she oversees the Bridge to Health program for patients with injection drug use associated infections. The Bridge to Health program provides outpatient infectious diseases and substance use disorder care with additional multidisciplinary support including case management and health coaches. The Bridge to health program has a special emphasis on providing hepatitis C treatment as well as flexible antibiotic options (OPAT and transition to oral antibiotics) for patients with serious injection related infections such as endocarditis and osteomyelitis. She is currently mentoring fellows and residents.

Related Links
Additional Titles
  • Associate Director, Infectious Disease/Substance Use Disorder training pathway
Patients seen at
Taylor Avenue Building

Infectious Diseases Clinic

Barnes-Jewish Center for Outpatient Health – Washington University OB/GYN
(Infectious Complications in Pregnancy)
4901 Forest Park Ave.
St. Louis, MO 63110

Education
  • BS, Chemistry, BA in Spanish Language: Pacific Union College, Angwin CA (2008)
  • Medical Degree: State University of New York, University at Buffalo, Buffalo, NY (2015)
  • Doctor of Philosphy, Microbiology and Immunology: State University of New York, University at Buffalo, Buffalo, NY (2015)
  • Residency: Barnes-Jewish Hospital at Washington University Medical School, St. Louis (2017)
Board Certifications
  • Internal Medicine, American Board of Internal Medicine
  • Infectious Diseases, American Board of Internal Medicine
  • Addiction Medicine, American Board of Preventive Medicine Pathway (2025)
Selected Publications
  1. McCrary LM, Curtis MR, Kelly JC, Elrod-Gallegos J, Kojima P, Werner P, Mullersman JL, Habrock-Bach T, Durkin MJ, Marks LR. Real-World Experience of Hepatitis C Treatment With Glecaprevir-Pibrentasvir During Pregnancy. Clin Infect Dis. 2026 Aug 11:ciag422. doi: 10.1093/cid/ciag422. Epub ahead of print. PMID: 42578822.
  2. Cary CB, McCrary LM, Marks LR, Kelly JC, Hartz SM, Hayibor L, Grucza RA, Xu KY, Curtis MR. Association Between Sex and Recent Pregnancy and Hepatitis C Virus Treatment in People With Opioid Use Disorder. O G Open. 2025 Jul 10;2(4):e096. doi: 10.1097/og9.0000000000000096. PMID: 41001177; PMCID: PMC12421971.
  3. McCrary LM, Leydh Z, Curtis MR, Elrod-Gallegos J, Kojima P, Karpman L, Cain J, Vora K, Bongu J, Habrock-Bach T, Durkin MJ, Trammel C, Kelly JC, Marks LR. Association of Postpartum Inpatient Consultation Compared With Outpatient Referral With Hepatitis C Virus Treatment Completion. O G Open. 2025 Sep 11;2(5):e112. doi: 10.1097/og9.0000000000000112. PMID: 41000407; PMCID: PMC12456482.
  4. Robinson JI, Marks LR, Hinton AL, O’Halloran JA, Goss CW, Mucha PJ, Henderson JP. Development of a metabolome-based respiratory infection prognostic during COVID-19 arrival. mBio. 2025 Jan 8;16(1):e0334323. doi: 10.1128/mbio.03343-23. Epub 2024 Nov 22. PMID: 39576111; PMCID: PMC11708037.
  5. Marks LR, Durkin MJ, Ayres K, Ellis M. Drug preparation, injection-related infections, and harm reduction practices among a national sample of individuals entering treatment for opioid use disorder. Harm Reduct J. 2024 Jan 19;21(1):16. doi: 10.1186/s12954-024-00939-6. PMID: 38243269; PMCID: PMC10799462.
  6. John A Wildenthal, Andrew Atkinson, Sophia Lewis, Sena Sayood, Nathanial S Nolan, Nicolo L Cabrera, Jonas Marschall, Michael J Durkin, Laura R Marks. Outcomes of Partial Oral Antibiotic Treatment for Complicated Staphylococcus Aureus Bacteremia in People Who Inject Drugs. Clinical Infectious Diseases, ciac714, https://doi.org/10.1093/cid/ciac714 Published: 02 September 2022
  7. Marks LR, Liang SY, Muthulingam D, Schwarz E, Liss D, Munigala S, Warren D, Durkin M, Evaluation of partial oral antibiotic treatment for persons who inject drugs and are hospitalized with invasive infections, Clin Infect Dis 2020; https://doi.org/10.1093/cid/ciaa365. PMID: 32239136
  8. Marks LR, Schwarz, Liss D, Munigala S, Warren DK, Liang SY, Durkin MJ. A Comparison of Medication Assisted Therapy Treatment Strategies for Opioid Use Disorder in Persons who Inject Drugs and are Hospitalized with Serious Infections. Infect. Dis. 2020. PMCID: PMC7566615.
  9. Marks LR, Munigala S, Warren DK, Liang SY, Schwarz ES, Durkin MJ. Addiction medicine consultations reduce readmission rates for patients with serious infections from opioid use disorder. Clin Infect Dis. 2018 Oct 23. doi: 10.1093/cid/ciy924. PMID: 30357363.

ORCID – Laura Marks