Lecia Van Dam Sequist, MD, MPH

Lecia Van Dam Sequist, MD, MPH

Not currently accepting new patients

4.916981 average rating from 106 patient reviews

Specialties

Affiliation

Mass General Brigham

Provider Locations

  • Waltham, MA
  • Boston, MA

Dr. Sequist is originally from Michigan and studied chemistry at Cornell University. She received her MD from Harvard Medical School and trained in internal medicine at the Brigham and Women’s Hospital and in hematology/oncology at the Dana-Farber Cancer Institute, where she also received an MPH from the Harvard School of Public Health. She joined the faculty at the Mass General Brigham Cancer Institute in 2005 and has an active clinical and translational research career, as well as a busy practice caring for patients with lung cancer. She is currently the Landry Family Professor of Medicine at Harvard Medical School and the Program Director of the Early Detection and Diagnostics Program at Mass General Brigham Cancer Institute. She has held grants from the NIH, the DOD, and many private foundations. Dr. Sequist’s research focuses on studying targeted therapeutics for lung cancer and bringing new non-invasive tests like circulating tumor cells and circulating tumor DNA to treat and detect lung cancer. In her free time, she likes to spend time with her husband, two sons and her dog, and is a hockey and dance mom.

Education & Training

  • Fellowship: Brigham and Women's and Dana Farber combined program, Hematology & Medical Oncology, 2005
  • Residency: Brigham and Women's Hospital, Internal Medicine, 2002
  • Medical Education: Harvard Medical School, 1999

Board Certifications

  • Medical Oncology, American Board of Internal Medicine

Languages Spoken

  • English

Age Group Treated

  • Adults

Patient Feedback

4.916981 average rating from 106 reviews

  • She is tracking my scans to make sure that I'm on the right path to remission.

    2026-07-08

  • It was definitely a good experience, I thought providerwas kind and listen to my concerns

    2026-07-05

  • Dr Sequist is one of the best doctors I've seen and I would highly recommend her.

    2026-06-28

  • Great hospital

    2026-06-21

  • It was a wonderful experience. They treated me so wonderful. I feel very blessed that I was able to see them.

    2026-06-14

  • [redacted] Dr. Sequist was excellent in following up with the CT results and throughout the study.

    2026-06-07

  • She's phenomenal/ one of one.

    2026-05-24

  • Dr. Lecia Sequist is by far the best doctor that I have ever, ever, ever had the pleasure of knowing and being treated by.

    2026-05-28

  • The best team ever

    2026-05-27

  • She is wonderful and very honest.

    2026-05-27

  • I'm a former MGH faculty member and I trained there 45 years ago. MGH continues its legacy of excellence and I'm grateful to have access to the care provided there.

    2026-05-12

  • Dr. Sequist and [redacted] are saving my life!

    2026-05-05

  • Dr Lecia Sequist is the best

    2026-05-06

  • Dr Sequist and her team are absolutely amazing. SHE is the reason my husband is still with us. Her knowledge, compassion and kindness exude professionalism. We HOPE she sees this! She ALWAYS has my husbands best interest and health forefront. Thank you Dr Sequist [redacted]

    2026-04-19

  • I thought this doctor was one of the best doctors I've ever encountered. She listened carefully, knew so much information about my disease and prognosis, and I really felt confident in her presence.

    2026-04-22

  • The meeting was good [redacted]

    2026-04-21

  • Dr Sequist is an excellent doctor. She is kind and caring and expert in the cancer that I have.

    2026-04-15

  • This care provider is extremely knowledgeable astute and sensitive. This care provider always understands my concerns. She is realistic regarding the topic at hand. There are not enough words in the English language to describe the competency and thoroughness of this care provider. MGH cancer center is fortunate to have such a care provider on their team.

    2026-03-23

  • I cannot speak more highly about my experience at Mass General thus far. Dr. [redacted] and Dr. Sequist answered all of my questions, took all the time that I needed and were very responsive for the various follow up items after our appointment. I have very high confidence in the care that they are providing to me.

    2026-03-08

  • Excellent

    2026-03-04

  • It was just fine, and moved along expeditiously. She was well informed and receptive.

    2026-02-14

  • Compassionate and knowledgeable

    2026-02-26

  • Dr. Sequist is the best. I feel extremely fortunate that she is my Oncologist. She is kind, a great communicator, and a tremendous doctor.

    2026-02-04

  • Dr Sequest is a caring important my life.

    2026-01-21

  • Drs Sequist and [redacted], along with their colleagues, are exceptional caregivers. I am most fortunate to have them as my care team!

    2026-01-23

  • The care was excellent. All my question were answered and great suggestions were explained and recommended.

    2026-01-15

  • It was an amazing visit. I left knowing exactly what the plan is

    2026-01-04

  • Dr. Sequist is a compassionate and bright provider. She listens to my concerns and puts me in touch with the right professionals. She is an amazing oncologist and I am blessed to have her on my team.

    2025-12-22

  • Dr. Sequist is more knowledgeable than my outgoing oncology. She also recommended a over the counter cream,in dealing my dry skin associated with the current drug I am taking curretly.

    2025-12-21

  • Very sad to leave this specific cancer center. I am following my oncologist to MGH Boston. I will miss everyone there tremendously.

    2025-12-19

  • Dr. Segis is very friendly and professional and the information she gives is great. And I really appreciate the work she goes through and the efforts she goes to in treating me. Thanks.

    2025-12-04

  • Dr Sequist and Dr [redacted] are the 2 best Drs that I know.

    2025-11-23

  • If it were not for Dr. Sequist, I probably wouldn't be where I am today, which is doing great after I had cancer.

    2025-11-19

  • The team helping me through this is very patient oriented and listens to everything. The patient has to say and it doesn't just go in one ear and out the other like my primary care doctor that I just started with.

    2025-11-10

  • I am most fortunate that Dr. Sequist is handling my care. She is the best!

    2025-11-10

  • Very knowledgeable, knew my medical record, explained things thoroughly and understandably. Excellent attitude and empathy. Dr. Sequist gave me confidence that I am in good hands and that my treatment will go well. Thank you Dr. Sequidt!

    2025-11-09

  • I find Dr. Sequist a very compassionate doctor and very warm, friendly, loving. I feel like I'm in very good hands and I have recommended her to other people just in passing and comment.

    2025-10-30

  • Truly grateful to have access to Dr Sequist.

    2025-10-29

  • She is a lovely attentive supportive doctor.

    2025-10-24

  • She was very informative, caring, and knowledgeable of my situation, and I highly recommend her.

    2025-10-22

  • Rave reviews for talented caring Dr. Sequist. She has been saving my life for six years. She is a gem.She always gives me confidence and the right guidance.I could fill this box with accolades.

    2025-10-15

  • She knew what the appointment was for and gave me good advice and will look into my file for more information. She is an excellent Dr.

    2025-10-15

  • Dr. Sequist is the best!

    2025-09-07

  • Very professional and courteous

    2025-09-07

  • The best ever, could not ask for better care

    2025-09-05

  • Great provider, very empathetic, very warm, and thorough.

    2025-09-05

  • I feel very safe in this Drs care.she listened to my concerns and fears and worked on creating a plan that made me feel safe about and explained and answered all my concerns and questions patiently and thoroughly. She treats the whole patient. I'm very blessed I found her

    2025-08-27

  • The care provider was very professional and explained everything well. I was pleased with visit

    2025-08-24

Accepted Insurance

  • Tufts Medicare Preferred
  • Wellpoint
  • Mass General Brigham Health Plan
  • United Health Care
  • Blue Cross Blue Shield
  • Medicaid RI
  • Blue Cross Blue Shield - Indemnity
  • Multiplan
  • Senior Whole Health
  • MassHealth
  • WellSense NH
  • Cigna
  • Commonwealth Care Alliance
  • Beech Street
  • Fallon Health
  • Maine Community Health Options
  • Medicaid NH
  • Aetna
  • Blue Cross Blue Shield Medicare
  • Coventry
  • Medicare
  • Medicaid ME
  • Humana
  • Tufts Health Plan
  • TriCare
  • Medicaid CT
  • Harvard Pilgrim Health Care
  • WellSense