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Robert Klein

  • PROFESSOR Medicine, Infectious Diseases
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  • A.B., Columbia College

  • M.D, Harvard Medical School

  • Residency, Mount Sinai Hospital

  • Fellowship, Montefiore Medical Center and Albert Einstein College of Medicine


    Dr. Klein sees patients with or suspected to have infections at the UMPA Specialty Center at Columbus Avenue and 60th Street, part of Mount Sinai Roosevelt’s University Medical Practice Associates.

    Dr. Klein has more than 200 scholarly publications, is active in teaching infectious diseases and epidemiology to medical students, house staff and fellows, and has been a charter member of the National Institutes of Health study section on AIDS Clinical and Epidemiological Studies. He also is a fellow of the American College of Physicians, Infectious Diseases Society of America and the New York Academy of Medicine and is a past President of the Infectious Diseases Society of New York.


  • 1986 -
    Moses Award for Best Clinical Research Paper
    Montefiore Medical Center Staff & Alumni


Dr. Klein's research focused for many years on the epidemiology and clinical manifestations of HIV infection.  He has contributed to our understanding of routes of HIV transmission, especially among heterosexuals, injecting drug users, and health care workers. He has studied the clinical complications of HIV infection including opportunistic and other infections, such as tuberculosis, pneumocystis, syphilis, human papillomavirus-associated genital neoplasia, and others. His most research has focused on hepatitis C and disorders of aging as they affect patients with HIV infection.

Industry Relationships

Physicians and scientists on the faculty of the Icahn School of Medicine at Mount Sinai often interact with pharmaceutical, device and biotechnology companies to improve patient care, develop new therapies and achieve scientific breakthroughs. In order to promote an ethical and transparent environment for conducting research, providing clinical care and teaching, Mount Sinai requires that salaried faculty inform the School of their relationships with such companies.

Below are financial relationships with industry reported by Dr. Klein during 2015 and/or 2016. Please note that this information may differ from information posted on corporate sites due to timing or classification differences.

Scientific Advisory Board:

  • Gilead Sciences, Inc.

Mount Sinai's faculty policies relating to faculty collaboration with industry are posted on our website. Patients may wish to ask their physician about the activities they perform for companies.

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Mount Sinai St. Luke’s Hospital
1111 Amsterdam Avenue - Clark 726
New York, NY 10025

Tel: 212-523-2525