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Chryssanthi S Kournioti

Chryssanthi S Kournioti, MD

Hematology OncologyMedical Oncology

Mass General Brigham

Highlights

Age Groups Seen

  • Adults

Languages

  • Spanish
  • Greek
  • English

Gender

Female

Locations

  1. Mass General Brigham Cancer Institute Medical Oncology Clinic at Newton
  2. Mass General Brigham Cancer Institute Medical Oncology Clinic at Danvers
  3. Mass General Brigham Cancer Institute Medical Oncology Clinic at Danvers
    • 102 Endicott Street, Cancer Center Lower Level, Danvers, MA 01923
    • Get Directions

Expertise

Education

  • Fellowship: Yale-New Haven Hospital/Medical Center, Hematology/Oncology, 2014
  • Residency: Yale New Haven Hospital, Internal Medicine, 2011
  • Medical Education: New York Medical College, 2007

Board Certifications

  • Hematology: American Board of Internal Medicine, 2015
  • Medical Oncology: American Board of Internal Medicine, 2014

Insurance

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

Ratings & Reviews

4.9 out of 5

338 ratings, 163 reviews

The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.

Search reviews
  • Reviewed on 7/8/2026

    Dr. K is a delight! She's direct but sympathetic. I wish she could tell me I'm cured but she can't!!

  • Reviewed on 7/6/2026

    I visit Dr. K. Every 6 months due to prostate cancer patient. Have utmost confidence with her. She is very busy.

  • Reviewed on 7/7/2026

    Professional

  • Reviewed on 7/5/2026

    Dr k / caring respectful knowledgeable and listens ......cancer is a scary diagnosis but she makes you feel comfortable and well taken care of

  • Reviewed on 6/28/2026

    I have the utmost respect for Dr K's ability, professionalism and empathy for her patients.

  • Reviewed on 6/27/2026

    She was very clear in her explanations and didn't seem to mind when I asked follow up questions about a particular issue,

  • Reviewed on 6/26/2026

    As this was my first visit to the cancer center and having recently been diagnosed with advanced cancer, I was nervous and anxious. After my visit with Dr. Kournioti, I felt relieved and reassured that I was in the best place for my care. She was kind, knowledgeable and understood my fears and concerns.

  • Reviewed on 6/25/2026

    My visit and consultations went perfectly

  • Reviewed on 6/20/2026

    Dr. Kournioti is excellent. I have been seeing her for many years and I value her time and input on my healthy.

  • Reviewed on 6/26/2026

    Dr. Kournioti is an excellent oncology provider, she is friendly, caring and professional. The entire oncology team is caring and compassionate. I'm deeply thankful for the excellent treatment and care I received.

  • Reviewed on 6/16/2026

    The best. I have been dealing wth Newton Wellesley Hospital since 2017. The nurses and doctors are wonderful. I recommend this hospital to all my friends and family.

  • Reviewed on 6/15/2026

    Dr. Kournioti is well informed about my condition and my history. She is very pleasant and easy to converse with.

  • Reviewed on 6/14/2026

    She is wonderful

  • Reviewed on 6/13/2026

    Very thorough

  • Reviewed on 6/11/2026

    warm frank and knowlegable

  • Reviewed on 6/11/2026

    Dr. Kournioti is an excellent doctor that I look forward seeing. I recommend her .

  • Reviewed on 6/10/2026

    She's great.

  • Reviewed on 6/9/2026

    Excellent provider. Listened to all questions and responded professionally.

  • Reviewed on 6/11/2026

    The doctor was very understanding and curious about how I felt and received me off if there were any other concerns.

  • Reviewed on 6/9/2026

    She is wonderful.

  • Reviewed on 6/9/2026

    Very satisfied with the services....

  • Reviewed on 6/5/2026

    Dr. K was amazing. So helpful, patient, informative, and caring.

  • Reviewed on 6/3/2026

    The doctor was very kind and professional, She answered all my questions

  • Reviewed on 6/3/2026

    The care provider is outstanding.

  • Reviewed on 6/3/2026

    Such an unbelievable talent she has to be able to take medical terminology and to be able to break it down so the average person can understand what she is saying.

  • Reviewed on 6/3/2026

    The staff were great

  • Reviewed on 5/31/2026

    Everyone was very friendly, kind, and very pleasant

  • Reviewed on 5/30/2026

    Very professional and courteous

  • Reviewed on 5/22/2026

    Yeah, it was a very good meeting. We're going to get back together again. Right now, everything is doing well and she's very knowledgeable.

  • Reviewed on 5/19/2026

    Dr4. Kourniati (sp) is exceptional - really superior.

  • Reviewed on 5/19/2026

    The first person I saw was so helpful she spent so much time with me explaining how everything works and what I should be doing when I show up for treatment.

  • Reviewed on 5/17/2026

    Everything was great except for the receptionist.

  • Reviewed on 5/17/2026

    Experienced and Caring

  • Reviewed on 5/13/2026

    Very happy. Excellent doctor.

  • Reviewed on 5/16/2026

    She listened to my point of view with a lot more courtesy than I thought she would. She acknowledged my point of view on nutrition vis-a-vis chemo-therapy, which surprised me frankly. She was definitely not "pro-big-pharma" and was willing to acknowledge that the medical industry is moving, albeit slowly, to more respect for the role of good nutrition in personal good health and healing.

  • Reviewed on 5/13/2026

    The care that is provided to me is top notch

  • Reviewed on 5/10/2026

    Excellent ...five Stars

  • Reviewed on 5/9/2026

    Dr Kournioti is always open, attentive to my situation. She has been highly effective in overseeing my treatment, and I would definitely recommend her.

  • Reviewed on 5/7/2026

    Extremely knowledgeable and respectful.

  • Reviewed on 5/5/2026

    Excellent as usual!

  • Reviewed on 5/6/2026

    Dr. Kournioti was very good. She listened to all our concerns. She explained things very explicitly. She had great chair side manner and I would definitely recommend her to other friends and relatives who occurred the same types of, need the same types of answers that I received. Thank you.

  • Reviewed on 5/3/2026

    She is the epitome of care, compassion, and knowledge!

  • Reviewed on 4/30/2026

    Dr. K is the best!

  • Reviewed on 4/26/2026

    WE FELT COMPLETELY AT EASE WITH DR. K She's a great doctor!

  • Reviewed on 4/26/2026

    Dr. Kournioti has been my oncologist since January 2024 and has treated me with the utmost knowledge ability and kindness I have needed. I always feel that her focus is on ME during my appointments as she answers my questions and concerns. I trust her implicitly.

  • Reviewed on 4/26/2026

    Knowledgeable; informative; patient.

  • Reviewed on 4/23/2026

    GOLD MEDAL

  • Reviewed on 4/24/2026

    Very nice experience.

  • Reviewed on 4/20/2026

    Courteous, knowledgeable, professional

  • Reviewed on 4/19/2026

    Everyone was professional and gave me confidence that I was going to receive the best care.

  • Reviewed on 4/19/2026

    Great doctor

  • Reviewed on 4/14/2026

    A very warm, caring, knowledgeable individual, easy to talk with and easy to understand.

  • Reviewed on 4/15/2026

    She was marvelous, wonderful, better than any oncologist except for my first one that I've ever seen or heard of. It was really great.

  • Reviewed on 4/11/2026

    Excellent!

  • Reviewed on 4/9/2026

    I saw three providers at this visit and I was very impressed by the quality of this visit and their care.

  • Reviewed on 4/4/2026

    Always good

  • Reviewed on 4/7/2026

    Information was very helpful!

  • Reviewed on 4/3/2026

    Dr. Kournioti is the best. She's patient and listens and gives you her full evaluation. She's straightforward, but yet very caring. We love her.

  • Reviewed on 3/31/2026

    This provider was fabulous, better than expected

  • Reviewed on 3/31/2026

    Good people, good service

  • Reviewed on 4/1/2026

    very happy to be in this doctor's care!

  • Reviewed on 4/1/2026

    This care provider saw me in a very timely manner and answered all my questions that I wanted answered.

  • Reviewed on 3/29/2026

    Excellent

  • Reviewed on 3/23/2026

    Very thoughtful and understanding of how the variables of my situation can make decisions difficult.

  • Reviewed on 3/17/2026

    Nice easy visit.

  • Reviewed on 3/15/2026

    Dr K is fantastic.

  • Reviewed on 3/18/2026

    Dr. Kournioti is a caring person. She listens well and makes you feel good.

  • Reviewed on 3/18/2026

    This has been a difficult time in my life and I just want to say thank you to Dr. Kournioti and all of her team. I appreciate everybody and thank you all.

  • Reviewed on 3/15/2026

    They were professional and discussed my options with my input.

  • Reviewed on 3/15/2026

    Excellent. Thank you.

  • Reviewed on 3/15/2026

    Excellent caring staff all around Friendly , very helpful and concerned about my well being

  • Reviewed on 3/9/2026

    Very comfortable experience from start to finish, new receptionist very courteous and professional. I recommend this institute to all my friends and associates who have need of similar care.

  • Reviewed on 3/9/2026

    Knowing Dr. Kournioti is deeply invested in staying on top of my disease progression continues to inspire my confidence. Her team at the cancer center is terrific.

  • Reviewed on 3/8/2026

    She is always very friendly and explains things in easily understandable manner!

  • Reviewed on 3/4/2026

    The doctor was very easy to talk to, and she listened

  • Reviewed on 3/3/2026

    Dr. K was great - explained everything clearly. I'm very happy.

  • Reviewed on 2/26/2026

    The visit was like a visit with an old friend.

  • Reviewed on 2/25/2026

    I feel respected and safe.

  • Reviewed on 2/24/2026

    The doctor was well informed and up to date on my healthcare and answered my questions. She also provided me with information going forward and what to expect and any warnings signs or limitations.

  • Reviewed on 2/27/2026

    Dr. Kournioti and Dr. [redacted] were very professional and considerate when providing information on my recent diagnosis and the risks and benefits of my options going forward.

  • Reviewed on 2/25/2026

    Is excellent by

  • Reviewed on 2/23/2026

    Dr. Kournioti is a caring and empathetic physician. She's always taken the time to listen to my concerns and provides sound guidance

  • Reviewed on 2/22/2026

    I am always pleased with all my appointments.

  • Reviewed on 2/26/2026

    Good doctor is very nice and courteous and she knows me and my history. I feel very confident in her abilities. She's really good. Thank you.

  • Reviewed on 2/23/2026

    I have a lot of confidence in my care providers at Mass General. Everyone I have dealt with is knowledgeable, competent, and caring.

  • Reviewed on 2/23/2026

    Very knowledgeable, pleasant, friendly

  • Reviewed on 2/22/2026

    Excellent sercice

  • Reviewed on 2/16/2026

    It was about as great a visit as I could have hoped for. Everything was discussed in a very understandable way. I feel that I was thoroughly informed. All of my questions were answered It was an extremely positive visit which gave me great confidence that my care going forward was going to continue with care, concern, generosity, gentleness & professionalism.

  • Reviewed on 2/15/2026

    I was very impressed with her approach and she covered everything and we left knowing what to do. She informed my daughter and she was able to take notes for next steps.

  • Reviewed on 2/15/2026

    She is always the best to talk with. She is very concerned with my situation and answers all my questions in a respectful and courtious way.

  • Reviewed on 2/14/2026

    I feel so comfortable and at ease with this provider. She explains everything thoroughly. I have complete trust and confidence in her

  • Reviewed on 2/8/2026

    I have been visiting with this provider for about three years and have been very pleased with each visit

  • Reviewed on 2/8/2026

    Dr. K is a good listener who puts patients at ease. She is very thorough in explaining treatment plan.She is a compassionate caregiver!

  • Reviewed on 2/5/2026

    She is excellent

  • Reviewed on 2/5/2026

    Dr. Kournioti is such a nice doctor and I have really good communication and relationship with her. Very caring and committed to her patients.

  • Reviewed on 2/1/2026

    Everyone is exceptional. We had no problems with anyone.

  • Reviewed on 1/30/2026

    My experience with this provider, she was very informative, told me what was going to happen, what was going to go on, so I felt very comfortable in the office and very satisfied when I left.

  • Reviewed on 1/22/2026

    Dr Kournioti was very knowledgeable and thoroughly reviewed my situation. She took time to address my concerns

  • Reviewed on 1/21/2026

    Extremely impressed with the entire cancer panel I met with and the attention they paid to my specific situation. It made me very comfortable and eliminated a lot of the uncertainty around treatment options.

  • Reviewed on 1/19/2026

    Dr. Kournioti is Always Great. She knew what else has been going on with my health besides my Cancer treatment. I had a few questions which she answered without hesitation. A Great Doctor. Helps me a lot.

  • Reviewed on 1/18/2026

    Excellent experience. Way beyond my expectations

  • Reviewed on 1/14/2026

    Dr. Kournioti is an amazing and compassionate Dr and human being. The moment we met her we knew we were in great hands and she would help us get healthier.

  • Reviewed on 1/14/2026

    Lucky to be here for treatment. Caregivers are knowledgeable and caring.

  • Reviewed on 1/14/2026

    Explains in a calm, clear manner. Is happy to answer any questions I might have.

  • Reviewed on 1/13/2026

    This doctor is just wonderful - it's too bad you cannot clone her.

  • Reviewed on 1/12/2026

    My Doctor I have for my visits is fantastic.

  • Reviewed on 1/12/2026

    It was very good.

  • Reviewed on 1/10/2026

    Dr. Kournioti is a fabulous Oncologist. She explains results of all tests that are easy to understand, listens to my questions and provides appropriate suggestions for any issues. She is a wonder, and I am fortunate to be in her care.

  • Reviewed on 1/8/2026

    This was an excellent experience. Dr. Kournioti is wonderful. Totally professional, very caring, a great listener and communicator. Very special!!!

  • Reviewed on 1/14/2026

    great

  • Reviewed on 1/6/2026

    She is very caring. The bloodwork etc is carefully explained.

  • Reviewed on 1/4/2026

    Very thorough and compassionate

  • Reviewed on 1/4/2026

    Good and caring doctor that you can trust.

  • Reviewed on 1/4/2026

    She is very thorough and very good at communicating.

  • Reviewed on 12/27/2025

    I saw a team of three doctors. They worked very well together as a team. The information was clear. They communicated compassion very well.

  • Reviewed on 12/24/2025

    I felt very at ease. She was accurate, kind, thoughtful. She was top-notch.

  • Reviewed on 12/16/2025

    Dr. Kournioti is the exemplar of all that a doctor can and should be- smart, knowledgeable, precise, kind, funny, receptive, perceptive, and incisive. she is Amazing!!@!! Every time- all the time. We are so lucky to have her as our oncologist. Sincerely, [redacted]

  • Reviewed on 12/8/2025

    Dr. K was very helpful; [redacted]

  • Reviewed on 12/1/2025

    My care was beyond the best care, so nice and caring

  • Reviewed on 11/28/2025

    I have on a regular scheduale been seeing the MD for several years and she has been excellent!

  • Reviewed on 11/28/2025

    The care provider was excellent. She listened to my concerns. She provided very thoughtful feedback and I would highly recommend her.

  • Reviewed on 11/27/2025

    The Dr made me feel comfortable. She is knowledgeable and personable.

  • Reviewed on 11/19/2025

    The best

  • Reviewed on 11/21/2025

    I have the utmost confidence in the care I receive from Dr. K. In addition to being competent, she is caring and kind. She is just the best.

  • Reviewed on 11/17/2025

    Excellent care

  • Reviewed on 11/16/2025

    Went well

  • Reviewed on 11/12/2025

    Always a positive experience

  • Reviewed on 11/10/2025

    I'm always satisfied with my MGH-Waltham experiences.

  • Reviewed on 11/9/2025

    Kind, knowledgeable and reassuring.

  • Reviewed on 11/7/2025

    Best place to go for medical treatment

  • Reviewed on 11/7/2025

    superb

  • Reviewed on 11/7/2025

    Dr. Kournioti is an excellent doctor. I'm very happy with her. I've seen her many times and look forward to seeing her in the future.

  • Reviewed on 11/5/2025

    The experience is always delightful!

  • Reviewed on 11/1/2025

    She is a very caring person and explained everything to me I was very happy with her you're very lucky to have such a great doctor at your office Hospital I would highly recommend her to any family member or friend they would be comfortable with her would be in good care

  • Reviewed on 10/29/2025

    Knowledgeable, friendly, perfect.

  • Reviewed on 10/26/2025

    Everything went well

  • Reviewed on 10/22/2025

    Outstanding medical care.

  • Reviewed on 10/21/2025

    I was impressed with this care provider. She made sure that I understood everything that she told me and always asked if I had any questions.

  • Reviewed on 10/16/2025

    I am honored to get to work with this amazing and knowledge doctor And her staff

  • Reviewed on 10/12/2025

    Dr. K is a careful listener and replies with compassion and understanding. She is upbeat and I always enjoy meeting with her.

  • Reviewed on 10/10/2025

    I was very pleased to see Dr Kournioti For my yearly visit. She is is such a wonderful doctor. I felt very privileged to have her over the past several years.

  • Reviewed on 10/9/2025

    Dr. Kournioti is extremely professional, very caring and understanding. She explains things in a way that she's not talking down to you, but she's not using jargon and medical terminology that one does not understand. She's got a great sense of humor and she's a very thorough, wonderful doctor.

  • Reviewed on 10/7/2025

    I am well provided for.

  • Reviewed on 10/5/2025

    My husband had labs an hour before appt, due to staff shortages wasn't received for 3 hours. So ready couldn't discuss. Next appt we will go to local MGHBW for labs day before so that the Dr will have it to review.

  • Reviewed on 9/26/2025

    Doctor K was terrific in explaining the progress of my recovery and what to expect in the future. Great communication skills!

  • Reviewed on 9/26/2025

    Very fortunate to have first class cancer care on my backyard.

  • Reviewed on 9/24/2025

    I find everyone very warm and welcoming. Also, very cheerful.

  • Reviewed on 10/1/2025

    Responsive to my concerns. Clear explanation of all my treatment options.

  • Reviewed on 9/22/2025

    This care provider was very knowledgeable and explained things very well.

  • Reviewed on 9/17/2025

    Ongoing terrific care

  • Reviewed on 9/17/2025

    She is great,keeps me posted on all my problems.

  • Reviewed on 9/17/2025

    She is great

  • Reviewed on 9/8/2025

    Just a fantastic Job overall

  • Reviewed on 9/4/2025

    Dr K was very personable, patient, caring and informative. She is on my all star team.

  • Reviewed on 9/4/2025

    I met with doctors Chryssanthi Kournioti, [redacted] & [redacted]. They were all fantastic! Each doctor was well versed on my situation and they informed me of my treatment options. All three had a wonderful bedside manner and I left the meeting clear headed with the types of treatment available to me! The meeting was better than I could've hoped for!

  • Reviewed on 9/4/2025

    Dr. K is a good and knowledgeable doctor.

  • Reviewed on 9/3/2025

    Dr. K. is always able to explain complex subjects so that I understand what's involved, whether we're discussing lab/test results, disease progression or a plan of treatment. She's made all the difference as I navigate late stage illness.

  • Reviewed on 8/29/2025

    Dr. Kournioti has been my oncologist for 7 years and knows me very well. She responds to my anxiety, questions, and concerns with a combination of compassion and honesty. My initial diagnosis was troubling and I needed significant treatment. I could always count on Dr. K to provide honest answers and acknowledge my anxiety with compassion. I'm that patient who needs to know what every data point means, and Dr. K always took the time to explain it all to me. She got me through a cancer diagnosis and extensive treatment, both physically and emotionally. I will be forever grateful that she was my doctor for the last seven years.

  • Reviewed on 8/27/2025

    She us caring, professional and very warm and approachable.

  • Reviewed on 8/25/2025

    Excellent doctor!!!

  • Reviewed on 8/22/2025

    Dr. Kournioti has been my physician for years. [redacted] She's been extremely professional. [redacted]

  • Reviewed on 8/20/2025

    Best oncologist

  • Reviewed on 8/18/2025

    Hold on. The provider was very smart and attentive, explained knowledge and respects our family and came to check on us when I had questions before we did an infusion, which I really appreciated.