Rebecca Guest, MD, MPH

About Me

I am a physician who has expertise in occupational medicine, employee wellness, and emergency preparedness. I am Associate Medical Director of Employee Wellness at Memorial Sloan Kettering Cancer Center and Director of the Building Resilience Program. I am part of the faculty in the Department of Medicine at MSK as well as Weill Medical College of Cornell University. One of my interests is maximizing health and well-being of employees who work in high stress occupations.

Plus and Minus IconIcon showing a plus/minus toggle, indicating that the surrounding element can be opened and closed.

I am a Fellow of the American College of Occupational & Environmental Medicine and have been working in this field for almost ten years. I began my career as an emergency physician, where I worked at the busiest Level I regional resource trauma center in Philadelphia. I then trained in preventive medicine and public health. Since joining the Employee Health & Wellness Service at MSK, I have been part of a team of providers who evaluate and treat thousands of employees. In addition, I have been a leader in unique, lifestyle-related voluntary health improvement programs, such as weight loss, stress management, and cancer screening.  

  • Clinical Expertise: Occupational Medicine; Workplace Wellness; Emergency Preparedness
  • Languages Spoken: English
  • Education: MD, Weill Cornell Medical College; MPH, Johns Hopkins Bloomberg School of Public Health
  • Residencies: Emergency Medicine, Medical College of Pennsylvania/Hahnemann University
  • Board Certifications: Emergency Medicine

New Patient Appointments

Making an appointment

Call 800-525-2225


Visit PubMed for a full listing of Rebecca Guest’s journal articles

Pubmed is an online index of biomedical articles maintained by the U.S. National Library of Medicine and the National Institutes of Health.

Clinical Trials

As home to one of the world’s top cancer research centers, Memorial Sloan Kettering is typically involved in more than 900 clinical trials at a given time. Currently, clinical trials focused on the conditions I treat are enrolling new patients. If you’re interested in joining a clinical trial, click to learn about the trial’s purpose, eligibility criteria, and how to get more information.

Learn more


Most major health insurers offer plans that include MSK as one of their in-network providers. If MSK is in-network, it means all our doctors are too. Medicaid and New York State Medicare also provide benefits for care at MSK.

Learn more