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Daniel P Cahill

Daniel P Cahill, MD, PhD

Neurosurgery

Highlights

Age Groups Seen

  • Adults
  • Geriatrics

Languages

  • English

Gender

Male

About Daniel P Cahill

As a neurosurgeon-scientist, Dr. Daniel Cahill's clinical practice is focused on the care of brain tumor patients, improving clinical trials of therapy for these patients, and training neurosurgical residents in the diagnosis and treatment of these cancers.

Dr. Cahill was born and raised in Connecticut, attending Yale College and then moving to Baltimore to Johns Hopkins Medical School, receiving his MD/PhD degrees in 2001. His PhD was in Human Genetics, in the laboratory of Drs. Ken Kinzler and Bert Vogelstein. He then completed neurosurgery residency training at the Massachusetts General Hospital, and was a postdoctoral fellow in the laboratory of Dr. David Louis of Pathology. After completion of his clinical training, he joined the junior faculty in Neurosurgery at MD Anderson Cancer Center in Houston. He later re-joined the faculty of the MGH Brain Tumor Center in 2011, where he is currently in active practice. He sees patients in the Yawkey Center for Outpatient Care, and his research laboratory is located in the Simches Research Building Brain Tumor Research Center.


Locations

  1. Mass General Brigham Cancer Institute Neuro-Oncology Clinic at the Stephen E. and Catherine Pappas Center
    • 55 Fruit Street, Yawkey Building, 9th Floor, Suite 9E, Boston, MA 02114
    • Get Directions

Expertise

Education

  • Residency: Massachusetts General Hospital, Neurosurgery, 2008
  • Medical Education: Johns Hopkins University School of Medicine, 2001

Board Certifications

  • Neurological Surgery: American Board of Neurological Surgery, 2012

Insurance

This provider may accept more insurance plans than shown. Please call the practice to find out if your plan is accepted.
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 CT
  • 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

62 ratings, 27 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.

How likely would you be to recommend this provider to your family and friends?
Search reviews
  • Reviewed on 2/4/2026

    It was comfortable and efficient.

  • Reviewed on 1/21/2026

    Very professional, very knowledgeable, extremely caring.

  • Reviewed on 1/18/2026

    Very informative and understanding

  • Reviewed on 1/15/2026

    I'm very lucky to have Dr. Cahill as a provider.

  • Reviewed on 1/14/2026

    I think he's a great Doctor.

  • Reviewed on 1/12/2026

    He was a caring compassionate human being

  • Reviewed on 1/4/2026

    Dr Cahill was very professional,knowledgeable and was very pleasant to talk to as well as being very thorough with his answers to my questions and concerns.

  • Reviewed on 12/24/2025

    The provider provided information in easy to understand, consise and respectful manner. He asked for input and questions. He was knowledgeable about his specialty and able to address important steps in the workup. His calm and natural demeanor was greatly appreciated.

  • Reviewed on 12/11/2025

    Dr. Cahill and his APP were WONDERFUL! I felt listened to, validated in my concerns and was completely a part of the decision making process. It was very refreshing, which is why I chose Mass General, in hopes of having a visit that went better than I could have hoped for!

  • Reviewed on 11/19/2025

    I trust and appreciate Dr.Cahill and his NP

  • Reviewed on 11/7/2025

    I was happy about my appointment

  • Reviewed on 11/6/2025

    Very satisfied

  • Reviewed on 11/5/2025

    Dr Cahill was very kind, thorough and honest. He explained things clearly, listened to my questions and did not rush me. I highly recommend him and his team.

  • Reviewed on 10/18/2025

    Excellent: timely and respectful - thank you!

  • Reviewed on 10/15/2025

    Dr. Cahill and his staff were wonderful! I could tell my records had been thoroughly reviewed before my actual visit. This was very helpful and appreciated. I am very grateful to Dr. Cahill and all his staff for accepting me as a patient and being so kind and caring. I feel I am in the best place at MGH, and the recommendation to also work together with Dr. [redacted] for her input, as well. I am grateful that this team is looking to provide whatever care is the best option for me as a person. Thank you!

  • Reviewed on 10/9/2025

    Dr Cahill and compassionate and thorough and made me and my family feel very comfortable about the procedure. He answered all of our questions and we left feeling very optimistic.

  • Reviewed on 9/19/2025

    Dr. Cahill and his nurse practitioner were great. They gave me all my options and helped me choose one that best fit me and he was very patient and answered any questions I had and he did a really good job and my surgery went off phenomenal. It was a great surgery and I really appreciate all the help that he gave me.

  • Reviewed on 9/18/2025

    strong trust in this provider and his team

  • Reviewed on 9/17/2025

    Exceptional experience. Completely unrushed, very understanding. Grateful for Dr Cahill's expert care as I hold the complexities of having a brain lesion.

  • Reviewed on 8/21/2025

    Exceptional team, provider and communications. Extremely efficient and timely

  • Reviewed on 8/13/2025

    Dr. Cahill was very friendly and knowledgeable. He answered all my questions before I even had to ask. I did not feel rushed and he and his NP associate we active listeners to my concerns. I left the appointment feeling much more comforted about my diagnosis.

  • Reviewed on 8/11/2025

    Always with a smile ! Love Dr CahillVery lucky to have him on our team ??

  • Reviewed on 7/25/2025

    Dr. Cahill and his assistant [redacted] are both excellent. I always felt that I was in good hands with them. They feel like family. They don't feel like just doctors. [redacted] So I thank you for having such professional and kind people on staff.

  • Reviewed on 7/11/2025

    Dr Cahill was attentive and courteous. He explained my Issue and answered my questions.

  • Reviewed on 7/9/2025

    Was first visit, went fine. Too early to add anything more.

  • Reviewed on 7/9/2025

    Dr. Cahill was amazing, informative, and very reassuring. I am so grateful to have him providing care for me.

  • Reviewed on 4/16/2025

    My experience with Dr. Daniel Cahill has been excellent. My first surgery, 14 months ago, went very well and I was very happy with the results. My recent surgery is scheduled for tomorrow, [redacted] and I'm confident that I will have the same results again. Thank you [redacted]