Cesar M Castro, MD, MMSC
Not currently accepting new patients
4.990909 average rating from 44 patient reviews
Specialties
Affiliation
Mass General Brigham
Provider Locations
- Boston, MA
Education & Training
- Fellowship: Dana Farber Cancer Institute*, Hematology & Oncology, 2011
- Residency: UC San Francisco, Internal Medicine, 2008
- Medical Education: UC San Francisco School of Medicine, 2005
Board Certifications
- Medical Oncology, American Board of Internal Medicine
Languages Spoken
- Spanish
- English
Age Group Treated
- Adults
Patient Feedback
4.990909 average rating from 44 reviews
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I saw Dr. Castro for a second opinion regarding my ovarian cancer. He spent more than an hour with me and was phenomenal! He explained so many things in Laymans terms. He discussed what type of treatments might be available for me going forward and welcomed questions I had. At close of conversation, he said he now considered me as part of his care team and to reach out to him whenever necessary without hesitation. I am most grateful for the knowledge and time Dr. Castro gave to me during this visit
2026-06-18
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Dr Castro is a caring well informed doctor. Without his involvement in my care I don't think I would be alive. His knowledge and compassion is without fault
2026-05-23
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Hello, I am impressed by the promptness with which I am received; appointment times are respected and nursing care is administered immediately, just before the doctor arrives. This aspect of the care is reassuring for the patient because they know there is a team that is ensuring their pain is at least alleviated and that they recover their health. Thank you all and best of luck.
2026-05-20
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Dr Castro always enters the room with a smile. He has such a positive energy about him. He explains my results from the blood work in a way that I can understand. He is kind, compassionate, and thorough.
2026-05-10
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Dr. Castro displayed the utmost in courtesy And tact.
2026-03-23
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He is a Wonderful Doctor. He takes plenty of time with me and he is a Wonderful Doctor as he has been my Doctor for at least ten years.
2026-03-22
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Thank you, Dr. Castro.
2026-03-01
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Dr. Castro was extremely thorough in review of my medical records prior to our meeting and provided critical information related to care options. Came away from our meeting learning new things about treatment and feeling very confident in my decisions on next steps.
2026-02-24
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Wonderful doctor and very happy to with Everything at MGH. I am so happy to be in Dr Castro care.
2026-02-08
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Dr. Cesar is compassionate, knowledgeable and to the point. i cannot believe how much time he spent with me answering all questions me, my son and his fiance asked. Thank you for your care.
2026-01-12
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This was the first appointment for me and Dr. Castro was extremely knowledgeable and very helpful and explained everything in a way that had not been explained to me before and I'm grateful for that.
2026-01-01
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As this was a second opinion appointment I thought the Dr Castro was informed. I thought the conversation was helpful.
2025-11-12
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Very professional, wonderful, gave me great hope, which I haven't gotten from too many doctors lately. It was a great experience. Thank you.
2025-10-29
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I have a great team of providers
2025-10-04
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Excellent Experience
2025-09-21
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Excelente
2025-09-14
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Dr. Castro provided excellent care and feedback about my condition. I would recommend him highly.
2025-09-14
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Always very professional and caring.
2025-09-09
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Dr Castro made everything incredibly easy to digest, was passionate and compassionate, and I left feeling extremely uplifted. The work he is doing and the way he interacts with his patients is second to none. I feel incredibly fortunate to have gotten time with him.
2025-09-07
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Wonderful
2025-08-25
Accepted Insurance
- Medicaid CT
- Tufts Medicare Preferred
- Wellpoint
- MassHealth
- Coventry
- Cigna
- Harvard Pilgrim Health Care
- Blue Cross Blue Shield
- Blue Cross Blue Shield ME
- Tricare/ HealthNet Federal Services
- Medicare - NH
- Multiplan/PHCS
- NH Healthy Families
- Senior Whole Health
- Commonwealth Care Alliance
- Medicare ACO
- Medicaid ME
- Humana
- Aetna
- Multiplan
- Medical Network
- CorVel Workers Comp
- Blue Cross Blue Shield - Federal
- Medicaid VT
- Blue Cross Blue Shield NH
- Beech Street
- Medicaid RI
- TriCare
- Medicaid NH
- United Health Care
- WellSense
- WellSense NH
- Fallon Health
- AmeriHealth Caritas New Hampshire
- Tufts Health Plan
- Medicare
- Mass General Brigham Health Plan
- Railroad Medicare
- Blue Cross Blue Shield - Indemnity
- Community Health Options
- Martin's Point
- Blue Cross Blue Shield Medicare
- Maine Community Health Options