- Mount Sinai Doctors
David C Portnoy, MD
Internal Medicine, Hospital Medicine
About Me
Dr. David Portnoy is a Hospitalist for the Division of Hospital Medicine. His primary interests within medicine are in medical education and clinical programs. In the realm of medical education he serves as Co-Director of the Hospital Medicine Elective, where students can learn one-on-one from Hospitalist Faculty. He also serves as Associate Course Director of In Focus, a series of lectures and small group sessions to help medical students develop into competent physicians. His work in clinical program development is primarily in the area of sepsis, where he serves as both Co-Chair of Mount Sinai’s Sepsis Committee and the physician lead of Mount Sinai Hospital’s Sepsis Transitions of Clinical Care Program. These roles help facilitate reductions in mortality and hospital readmissions related to sepsis. Dr. Portnoy has been recognized for exceptional patient care and integrity – he has been the recipient of the STAR award on three occasions as nominated by his colleagues in nursing and social work. He has additionally conducted multi-disciplinary nephrology and pathology research into lupus, for which he was named an American College of Physicians Young Achiever. The ACP has further recognized him as a Fellow in light of his contributions to the field of internal medicine.
Language
English
Position
ASSOCIATE PROFESSOR | Medicine, Hospital Medicine
Hospital Affiliations
- Mount Sinai Queens
- The Mount Sinai Hospital
Education
MD, SUNY Downstate Health Sciences University - College of Medicine
Residency, Internal Medicine
UVA Health Medical Center
Residency, Internal Medicine
University of Virginia Health System
Certifications
American Board of Internal Medicine
Awards
2016
ACP Young Achiever
American College of Physicians
2013
Resident Member
American Colloege of Physicians
Research
Insurance Information
Physicians who provide services at hospitals and facilities in the Mount Sinai Health System might not participate in the same health plans as those Mount Sinai hospitals and facilities (even if the physicians are employed or contracted by those hospitals or facilities).
Information regarding insurance participation and billing by this physician may be found on this page, and can also be obtained by contacting this provider directly. Because physicians insurance participation can change, the insurance information on this page may not always be up-to-date. Please contact this physician directly to obtain the most up-to-date insurance information.
Insurance and health plan networks that the various Mount Sinai Health System hospitals and facilities participate in can be found on the Mount Sinai Health System website.
Industry Relationships
Physicians and scientists on the faculty of the Icahn School of Medicine at Mount Sinai often interact with pharmaceutical, device, biotechnology companies, and other outside entities 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 outside financial relationships.
Dr. Portnoy did not report having any of the following types of financial relationships with industry and other outside entities during 2024 and/or 2025: consulting, scientific advisory board, industry-sponsored lectures, service on Board of Directors, participation on industry-sponsored committees, equity ownership valued at greater than 5% of a publicly traded company or any value in a privately held company. Please note that this information may differ from information posted on corporate sites due to timing or classification differences.
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.