Memorial Sloan Kettering physiatrist Theresa Gillis

Theresa Gillis, MD



Chief, Rehabilitation Medicine Service; The Society of Memorial Sloan Kettering Cancer Center Chair

Clinical Expertise

Rehabilitation, Pain Management, Palliative Care

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Accepted Insurance Providers

Dr. Gillis accepts the following list of insurance providers. Select your insurance provider to see more details.

Contact and Location

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Find a Convenient Location

Memorial Sloan Kettering has locations throughout New York City, Long Island, New Jersey, and Westchester. These locations offers many services, including screening, chemotherapy, and medical testing.

About Me


MD, Northeast Ohio Medical University


Baylor College of Medicine

Board Certifications

Physical Medicine & Rehabilitation; Pain Management; Hospice and Palliative Medicine

I am a physician specializing in physical medicine and rehabilitation, also known as physiatry. I help people with neurological and musculoskeletal problems that affect their quality of life. My goal is to allow them to return to their normal activities. I see patients at the Sillerman Center for Rehabilitation in Manhattan and Memorial Sloan Kettering Bergen, in New Jersey

Physiatrists understand the impact of cancer and cancer treatment on a person’s daily activities, their mobility, and their well-being. We help get people back to living their lives, during treatment or afterward. Sometimes our treatment plans involve medications. Other times we prescribe skilled therapy or independent exercise, lifestyle changes, special braces or supports for weak or painful joints, or other treatments. We always strive to help people recover their sense of self and wellness despite experiencing a life-changing illness.

I became a physiatrist because I loved the way this specialty requires me to blend the understanding of multiple systems — neurologic, musculoskeletal, and psychological — with an understanding of the overall health of a person facing cancer, diabetes, heart disease, or another chronic condition. My training emphasized the importance of understanding each person as an individual, listening carefully to find the best path forward toward healing and recovery. It also helped me realize that a person’s illness can be treated successfully but they can still be held back by their experience, and that a person can continue to live life fully even in the presence of illness.

Caring for people living with or recovering from cancer is the most rewarding career I can imagine. While I enjoy helping individual patients, it is my goal to create major changes in cancer care throughout MSK to strengthen our attention to our patients’ function and mobility. If we can better maintain a person’s mobility throughout their treatment, we will help them return to usual activities more quickly and restore their quality of life. 


Doctors at Memorial Sloan Kettering work as teams, with specialists from all different areas. This allows us to consider all your needs together, and to give you the best possible care.

Clinical Trials

Smiling doctors in the lab

Find a Clinical Trial for You

Memorial Sloan Kettering's doctors and scientists are constantly developing new treatments for cancer. MSK is typically running hundreds of clinical trials at a given time.

You may be able to participate in a clinical trial even if you are new to MSK. Search our online directory to find trial information and see more about who can participate.

Research and Publications

Publications on PubMed

Visit PubMed for a full listing of Dr. Gillis’s journal articles. Pubmed is an online index of research papers and other articles from the US National Library of Medicine and the National Institutes of Health.