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Oscar Klein

  • ASSISTANT PROFESSOR Medicine, Infectious Diseases
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  • American Board of Internal Medicine

Clinical Focus


  • MD, SUNY Downstate Medical Center

  • Internship, Internal Medicine
    Jewish General Hospital

  • Residency, Internal Medicine
    St. Vincent's Hospital [CLOSED]

  • Fellowship, Infectious Diseases
    Columbia-Presbyterian Medical Center

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 2014 and/or 2015. 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.; ViiV Healthcare (GlaxoSmithKline / Pfizer Partnership)

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.

Insurance Information

Mount Sinai Health System (MSHS) physicians - including those employed by MSHS - do not always participate in the same health plans in which MSHS hospitals or facilities participate.

Information regarding insurance participation and billing by this physician may be found on this page or obtained by contacting this provider directly.

Insurance plans that the Mount Sinai Health System hospitals or facilities participate in can be found on the Mount Sinai Health System website.

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