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Steven Jay Isakoff

Steven Jay Isakoff, MD, PhD, MMSC

Hematology OncologyBreast Medical Oncology

Mass General Brigham

Highlights

Age Groups Seen

  • Adults

Languages

  • English

Gender

Male

Locations

  1. Mass General Brigham Cancer Institute Medical Oncology at Boston
  2. Mass General Brigham Cancer Institute Center for Breast Cancer Medical Oncology at Boston
    • 32 Fruit Street, Yawkey Building, 9th Floor, Suite 9a, Boston, MA 02114
    • Get Directions

Expertise

Education

  • Fellowship: Dana Farber Cancer Institute*, Medical Oncology, 2006
  • Residency: Brigham and Women's Hospital, Internal Medicine, 2002
  • Internship: Brigham and Women's Hospital, Medicine, 2001
  • Medical Education: New York University School of Medicine, 2000

Board Certifications

  • Medical Oncology: American Board of Internal Medicine, 2005

Insurance

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

Ratings & Reviews

4.9 out of 5

215 ratings, 102 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 7/3/2026

    Dr. Isakoff is wonderful. He has been by my side for the past six to seven months that I've been in his care. He's phenomenal. I have absolutely no complaints. [redacted] he's just great and he's very extremely bright and he really, really cares about people and I really am very thankful that I have him helping me.

  • Reviewed on 7/3/2026

    Absolutely wonderful doctor and team.

  • Reviewed on 6/22/2026

    Dr. Isakoff is always wonderful, and I am so fortunate to have him as my oncologist.

  • Reviewed on 6/22/2026

    great

  • Reviewed on 6/17/2026

    Dr Isakoff is a calm and assuring presence and is very skilled at maintaining a relationship with his long-term patients. He is extremely knowledgeable and has great bedside manners.

  • Reviewed on 6/17/2026

    The provider was kind, articulate, very knowledgeable and answered our questions. The whole experience was lovely including the lab tech drawing bloodwork to the vital sign taking. A plus. Thanks.

  • Reviewed on 6/15/2026

    Dr. Isakoff is a wonderful provider - very happy to have him as my oncologist)

  • Reviewed on 6/15/2026

    Very pleased and delighted. I would definitely recommend him to the people in my family as well.

  • Reviewed on 6/9/2026

    He listens which is so important and shows great patience in answering my questions and addressing my concerns. I have developed full trust in him and strongly feels that he honestly cares.

  • Reviewed on 6/5/2026

    Dr. Isakoff is an excellent provider who answers all my questions, makes me feel very comfortable, knowledgeable, helpful, answers my husband's questions, all very positive. I'm glad I have him as my doctor.

  • Reviewed on 6/5/2026

    I think Dr. Isakoff is very nice, very knowledgeable. He takes his time explaining and if you have questions, he will address your questions. So I do appreciate his care and his willingness to help in whatever way he can. Thank you.

  • Reviewed on 6/4/2026

    Excellent care

  • Reviewed on 5/28/2026

    MGH is lucky to have this provider.

  • Reviewed on 5/17/2026

    Excellent

  • Reviewed on 5/15/2026

    Dr. Isakoff is a phenomenal physician. We expect excellence from MGH, and he embodies that to the fullest.

  • Reviewed on 5/13/2026

    I have seen Dr. Isakoff on mainly a yearly basis since my diagnosis. He addresses my health concerns in a caring and thorough manner which is always reassuring.

  • Reviewed on 5/7/2026

    I could never have dreamed I would have such an amazing care Team through this terminal cancer journey. Thankful and grateful for each and every one of them!

  • Reviewed on 5/6/2026

    He cares deeply and he could use a vacation.

  • Reviewed on 5/4/2026

    Fantastic more than I could have wished for!

  • Reviewed on 5/2/2026

    I am so grateful for Dr. Isakoff. With his knowledge and experience I am 6 years cancer free. He is such a caring and compassionate doctor. I especially appreciate how much he listens to you. He gives you the time in the appointment to address your needs; be it a concern or request for a refill of a prescription. He is the best!

  • Reviewed on 4/29/2026

    he is good

  • Reviewed on 4/27/2026

    I have been treated b this provider for 10+ years and have never had an issue. Also, I have recommended him to friends, who were very pleased.

  • Reviewed on 4/24/2026

    I am very grateful to have Dr. Isakoff as my Mo. I feel confident and safe under his care! He listens and has an open mind! Also answers all my questions. I had a recurrence after 12 years and was so pleased to know that he was still there! Makes my life easier and more secure!

  • Reviewed on 4/22/2026

    Dr Isakoff has been my oncologist for several years. He saved my life. He is always caring and compassionate. Even when he jokes about me wanting to get a new tattoo. He is brilliant and I am forever grateful for him and his team.

  • Reviewed on 4/22/2026

    Consistently a good, if not great, experience - I'm confident that I'm in good hands.

  • Reviewed on 4/22/2026

    I see Dr. Isakoff several years. Excelente Oncologist.

  • Reviewed on 4/20/2026

    Dr Isakoff is by far and away the best physician I have ever had in my [redacted] years. He is so patient, knowledgeable, kind, a great listener, never rushes you in and out, explains thoroughly and seems to really care about your care and individualizing to your specific needs. Highest level of care. Couldn't say enough positive things about his medical care.

  • Reviewed on 4/15/2026

    Excellent!

  • Reviewed on 4/10/2026

    Dr. Isakoff is second to none. There is no one I would rather send my family and friends to than Dr. Isakoff. He spends an incredible amount of time making sure he covers all topics and is very aware of my comfort level. He is first rate as a practitioner and as a person.

  • Reviewed on 4/10/2026

    I was here for a second opinion with Dr. Isakoff. He was very thorough and detailed, and took the time to answer my questions. I also thought he was very personable and made me feel more reassured moving forward with my treatment plan.

  • Reviewed on 4/8/2026

    Caring, attentive,

  • Reviewed on 4/6/2026

    Dr Isakoff is amazing!! He is so knowledgeable and reassuring which I need. He always answers all my questions and looks at both sides of every issue.

  • Reviewed on 3/23/2026

    Compassionate and thoughtful, in addition to being an excellent physician/oncologist.

  • Reviewed on 3/20/2026

    I can't say enough about Dr. Isakoff, Dr [redacted] and their team! They are amazing, made me feel comfortable and it was a great visit. How lucky am I!

  • Reviewed on 3/18/2026

    He is the most knowledgeable, caring doctor I see!

  • Reviewed on 3/18/2026

    Dr. Isakoff is an incredible human! I am so thankful to have him on my team. I owe him my life, as well as many other colleagues at Mass General.

  • Reviewed on 3/16/2026

    As always, great care at MGH Cancer Center. I feel like I have the best team ever. Extremely thankful.

  • Reviewed on 3/11/2026

    Dr Isakoff is a great oncologist and caring doctor. He cares about me and my quality of life. He listens and offers great wisdom of his experience. He also respects my views and outlook. He is the best.

  • Reviewed on 3/8/2026

    Excellent thorough care!

  • Reviewed on 3/7/2026

    Thorough, professional, helpful, personable, knowledgable, respectful.

  • Reviewed on 3/7/2026

    I am very grateful that I chose Dr. Isakoff to be my oncologist. He's an excellent physician, and has always been there to answer every question I have and address and concerns that I have. He has always stressed that I am the one making the decisions, and I have always felt that he has my best interests at heart.

  • Reviewed on 3/4/2026

    Dr. Isakoff is the best doctor I have ever had. He is thoughtful, patient, and answers all my questions. I have a lot of faith in him!

  • Reviewed on 2/28/2026

    Kind and attentive manner

  • Reviewed on 2/25/2026

    I am grateful for the care I have received from this service. My doctor listens and hears me - a rare gift.

  • Reviewed on 2/22/2026

    Not only is Dr. Isakoff my doctor but i also feel like he's a family friend. He's just that nice and makes me feel at ease.

  • Reviewed on 2/19/2026

    This was a follow up visit so and the nurse and then doctor were great

  • Reviewed on 2/25/2026

    The doctor listens carefully and respectfully to me and any concerns I am having regarding my care.

  • Reviewed on 2/6/2026

    This was a very positive experience. This Doctor listened to my concerns and thoroughly discussed options for the side effects I am experiencing. He was extremely helpful.

  • Reviewed on 2/3/2026

    Very professional and on top of my medical issues

  • Reviewed on 1/27/2026

    Dr. Isakoff is one of the very best doctors I have had in my [redacted] years. He is an excellent diagnostician and cancer care provider. He is top in his field and has provided superb cancer care to myself and my daughter-in-law. His ability to connect personally with his patients is one of his best attributes.

  • Reviewed on 1/26/2026

    This time this provider was on time and spent plenty of time with me to discuss my concerns.

  • Reviewed on 1/25/2026

    Dr Isakoff is thorough and attentive and informed.

  • Reviewed on 1/23/2026

    He is always professional, caring, knowledgeable, and warm.

  • Reviewed on 1/22/2026

    Patient and knowledgeable

  • Reviewed on 1/21/2026

    I am very happy with my doctor and MGH

  • Reviewed on 1/19/2026

    Great ! Very knowledgeable

  • Reviewed on 1/12/2026

    I trust my life with Dr. Isakoff. I value his recommendations and opinions when it comes to beating my cancer.

  • Reviewed on 1/9/2026

    Well, my provider is caring, he's thorough, he's efficient, he follows through very well, and I have the utmost confidence in him. I would recommend anybody who needs the type of treatment that I have to have him as a first choice.

  • Reviewed on 1/5/2026

    Dr Isakoff is excellent! No complaints. He is caring, thoughtful, discusses things, respects my questions, able to think deeply about options, he is outstanding. His NP and scheduling staff are also superior. No complaints and have had many visits. Was flexible to have virtual due to my inability to come in. Can't say enough good things

  • Reviewed on 12/31/2025

    Dr Isakoff is knowledgeable, kind and patiently addresses my questions and concerns. I have confidence in him as a member of my oncology team.

  • Reviewed on 12/30/2025

    Incredibly thoughtful, takes great care to share medical knowledge, statistics, concerns and plans and always listens to my concerns and is willing to discuss and come up with ways to calm fears and concerns - truly one of the few providers I've had who is willing to listen and think about his patient and his patients individual needs. Very grateful.

  • Reviewed on 12/22/2025

    The care and support I receive from Dr. Isakoff is outstanding.

  • Reviewed on 12/22/2025

    I live the cancer center at MGH - caring, knowledgeable, respectful - love conversations with Dr isakoff about new findings and studies and next steps

  • Reviewed on 12/20/2025

    To click yes definitely on all the questions related to Dr Isakoff doesn't do him justice. This was my first appointment with a cancer diagnosis. He was engaging informative,made me feel at ease immediately. I immediately felt that I can trust him. I'm so fortunate to have him as my doctor.

  • Reviewed on 12/3/2025

    very grateful to have as my provider. very smart and clear

  • Reviewed on 11/27/2025

    Dr Isakoff is a wonderful provider who I feel lucky to have as my primary care oncologist. He is thurough with all of his care including taking time to treat me as a human being, making sure he covers all aspects of life including stress management and medications.

  • Reviewed on 11/26/2025

    Always wonderful medical care and kindness! Thank you!

  • Reviewed on 11/26/2025

    Best provider ever. Thorough and detailed and just amazing.

  • Reviewed on 11/24/2025

    Yes, Dr. Isaacoff was excellent. He listened to all my questions. He explained my choices, the choices that I had to me, and was very caring, very understanding about my concerns. And I thought he was an excellent doctor, and I was very happy to be able to see him. [redacted] it was an excellent visit.

  • Reviewed on 11/19/2025

    Very efficient and great, friendly service

  • Reviewed on 11/19/2025

    He is very personable and definitely professional.

  • Reviewed on 11/18/2025

    Dr Isakoff is very detailed, caring and thoughtful. I would recommend him to anyone.

  • Reviewed on 11/7/2025

    I have been seeing Dr. Isakoff for 15 years and he is just fabulous.

  • Reviewed on 11/5/2025

    I felt Isakoff spent all the time I needed to discuss all my concerns. I didn't feel rushed at all. He made me feel comfortable and at ease during my appointment. Best doctor ever!! I definitely really appreciate him!

  • Reviewed on 11/5/2025

    Dr Isakoff is remarkable. He has incredible listening skills and truly makes me feel seen in my journey. I am so grateful that I am able to have Dr Isakoff as my oncologist.

  • Reviewed on 10/31/2025

    I was diagnosed with breast cancer [redacted] and have been seeing Dr. Isakoff since. I absolutely love him. He's incredible. He's smart. He's so patient. He talks through everything. I just can't say enough good things about him. And just generally, my MGH Cancer Center experience was nothing short of amazing. [redacted]

  • Reviewed on 10/27/2025

    This was a joint conference among three of my doctors planning for my upcoming breast cancer surgery operation. They were all very good. It was good to speak to all three of them together. They were clear and knowledgeable and congenial and listened well and talked clearly. It was a very good experience. Thank you very much.

  • Reviewed on 10/23/2025

    Dr. Isakoff is wonderful. Explains everything, spends good time with me, and is real. So lucky to have him on my care team.

  • Reviewed on 10/22/2025

    Terrific, good listener, thorough and collaborative about my next steps in care.

  • Reviewed on 10/14/2025

    Dr. Isakoff is the best!

  • Reviewed on 10/16/2025

    Dr. Isakoff rules! :)

  • Reviewed on 10/16/2025

    Dr Isakoff is the best, so knowledgable and accessible

  • Reviewed on 10/15/2025

    Dr Isakoff is great at explaining everything. He also cares for all your side affects and try's to help.

  • Reviewed on 10/9/2025

    It has consistently been a positive experience with this provider and the entire team.

  • Reviewed on 10/8/2025

    Top notch. Best in the world.

  • Reviewed on 10/8/2025

    Respectful, knowledgeable

  • Reviewed on 10/6/2025

    I am so grateful for the wonderful care I've always received from Dr. Isakoff.

  • Reviewed on 10/6/2025

    I am not sure where I would be physically or emotionally without my oncology team. It was pure luck that I got an original appointment with both he and Dr [redacted]. And now I truly consider myself lucky !!!

  • Reviewed on 9/29/2025

    The cancer dept is loving caring and empathetic. Knowledgeable about medicine and western medicine.

  • Reviewed on 9/19/2025

    Dr. Isakoff is one in a million. I'm also a provider at MGH and I am never short of being anything but in awe of him. His bedside manner, his knowledge, and his overall management of my health has been extraordinary. I highly recommend and I appreciate Dr. Isakoff. He's saved my life.

  • Reviewed on 9/19/2025

    Dr Isakoff wrote a note to the mammogram people and I received a letter giving me the results of my mammogram that evening. I had been told I would have them sometime the following week, that was unacceptable and I told the Dr that and apparently his note did the trick.

  • Reviewed on 9/17/2025

    Excellent

  • Reviewed on 9/19/2025

    Everything went well; I have no additional comments.

  • Reviewed on 9/19/2025

    Dr. Isakoff is a responsive and thorough doctor.

  • Reviewed on 9/18/2025

    Dr. Isakoff is wonderful! He saved my life!

  • Reviewed on 9/17/2025

    My only concern was the inability of the 2 systems working with each other. It appeared to be very difficult for my doctor to navigate epic where very important medical information was. This was a major concern because it changed the way my treatment plan was implemented.

  • Reviewed on 9/5/2025

    Never makes me feel rushed. Listens to my concerns.

  • Reviewed on 8/28/2025

    He was very relaxed and spent a good amount of time with me.

  • Reviewed on 8/27/2025

    I have been seeing Dr. Isakoff for over 10 years now since my breast cancer diagnosis and surgery. He has always been professional, knowledgeable, caring, and supportive when interacting with me. I have always felt that I was in the best of hands while dealing with my cancer and post cancer health. I would highly recommend him to any patient.

  • Reviewed on 8/25/2025

    I just love Dr. Isakoff. He has such a caring nature and a great personality. I always feel at ease with him and he explains everything so I can understand.

  • Reviewed on 8/20/2025

    Polite, respectful ,and engaging

  • Reviewed on 8/19/2025

    Kind, compassionate and knowledgable.