Leif William Ellisen, MD, PhD

Dr. Ellisen is the best. He listens, is empathetic and compassionate and very warm and caring. His knowledge is extraordinary and he always takes his time and answers all of my questions. Just a wonderful doctor who is always cheerful.

Dr Ellisen is an outstanding Doctor and a highly respected member in his field. He knew the answers to every question that I had and also asked for very important information from me. We liked him very much and I look forward to seeing him again.

[redacted] I continue to be thankful and grateful to Doctor Ellisen and his team at MGH. [redacted]

Excellence in practice. The doctor listened to me, answered every question, and communicated a clear plan for follow up.

Dr Ellisen is a great doctor. He is extremely knowledgeable; personable, thorough, and has a great sense of humor. He reviews all of my treatment options and answers all of my questions. He puts me at ease. He is a great asset to MGH !

I've been a patient of Dr. Leif Ellisen for a number of years and he's the best. Thank you.

Dr. Ellisen is the best. He had already reviewed my record before coming into the exam room. He explained the type of cancer I had and the progress being made with research. He never rushes through my visit and I always feel I'm getting the best care available.

Dr. Ellisen is kind, caring and so knowledgeable. I always feel at ease and empowered when I leave these appointments!

Dr. Ellisen explains everything in detail in layman's terminology not medical terminology which is very much appreciated. I do not feel like I'm a number with Dr. Ellisen. He 100% cares about my well being.

Dr. Ellisen was very professional but also able to explain my diagnosis in a way that was easy to understand.

Incredibly knowledgeable, kind, respectful physician

Excellent. Was familiar with and recalled my history or had prepared well for the visit

Dr Ellisen is great!

Dr. Ellisen was awesome!

Listens and provides excellent advise

Dr. Leif Ellisen knows very well my medical history, he can well understand patient's felling and give the professional advice. I love this doctor very much

Really knowledgeable and personable

I've been going for follow ups with Dr. Ellisen for many years and he is always thorough, informative, and caring. One of the best doctors I've seen.

Always enjoy my appointment with Dr. Ellisen.

Very professional, very knowledgeable, very compassionate and very informative.

superior healthcare provider. MGH cancer center is the best

HE IS AWESOME

Dr. Ellisen is supportive, curious, and remembers details about his patients. He is also knowledgeable, and I appreciate being able to see him.

I have been Dr Ellisen once a year for several years and find him to be very knowledgeable, courteous and pleasant. I highly recommend him

He is the best

I feel blessed that Dr. Ellisen is my doctor. he saved my life and I will be eternally grateful. He I look forward to my yearly visit.

Very happy with provider [redacted]

Awesome

He was very thorough and kind and explained complicated results in a way that I could understand.