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Dr. Jason Efstathiou, MD

Dr. Jason Efstathiou, MD

Radiation Oncology*
20+ years of experience

Dr. Jason Efstathiou, MD is a radiation oncologist in Boston, MA and has over 20 years of experience in the medical field. He graduated from HARVARD UNIVERSITY / SCHOOL OF PSYCHOLOGY in 2003. He is affiliated with medical facilities such as North Shore Medical Center and Brigham and Women's Hospital. He is accepting new patients and telehealth appointments.

3.4 Star Rating
Based on 10 reviews 3.4 Star Rating (10 reviews)

Practice

55 Fruit St Boston, MA 02114
Telehealth available

Make an Appointment

(617) 726-5866

Hospital Highlight

Dr. Efstathiou is affiliated with Massachusetts General Hospital Boston, a highly rated hospital.

At a Glance

  • Area of Expertise
    Dr. Efstathiou specializes in the area of Radiation Oncology. • See board certifications
  • Offers Telehealth
    This doctor offers telehealth appointments. Call the office to schedule an appointment.
  • Practices at Top Hospital
    America's 250 Best Hospitals Award™ • See hospitals
  • Hospital Satisfaction
    Patients said they were highly satisfied at this doctor's hospital. • See hospitals
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Dr. Efstathiou's Reviews

Likelihood to recommend Dr. Efstathiou

3.4
10 ratings, 7 with a written review
5 star
60%
60%
4 star
0%
0%
3 star
0%
0%
2 star
0%
0%
1 star
40%
40%

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Dr. Efstathiou lives up to his world class reputation! From the initial consultation visit, during my treatment and now during follow up appointments I have received the quality of care a patient can only pray for. Dr. E is pleasant and smart and also very honest about treatment options, side effects and outcome. He has treated me with respect and kindness and has shown true care for my wellbeing. He has always been reachable to answers questions and concerns and has done so with true compassion. I am forever grateful to him for the care he continues to provide to me and am thankful that he is the physician I turned my treatment and health over to. I am very lucky to have him "on my side"
What went well
  • Office environment
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
4 others found this helpful
Helpful
Perry – Apr 30, 2020
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After meeting with Dr Efstathiou for a consultation appointment I knew I would be well taken care of. He spent time explaining the options I would have for radiation therapy and patiently answered the many questions I had regarding my diagnosis. He was kind and respectful and made me feel as though I was the only patient he would be treating. I could not have asked for a better experience in a very scary situation and will always be grateful for how Dr Efstathiou cared for me
What went well
  • Office environment
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
7 others found this helpful
Helpful
Dec 18, 2019
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Kept me waiting for an hour, spent 5 minutes with me then sent me a huge bill. Don't recommend.
What went well
No results
What could be improved
  • Office environment
  • Difficult to schedule appointment
  • Didn't listen or answer questions
  • Didn't explain conditions well
  • Staff wasn't friendly
  • Appointment was rushed
  • Didn't trust the provider's decisions
  • Long wait times
3 others found this helpful
Helpful
Feb 01, 2019
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I felt compelled to highly recommend Dr. Efstathiou after my excellent care in his hands. He was extremely compassionate, and took the time to answer all of my questions. I felt like I received the upmost care and attention with him and his incredibly friendly staff.
What went well
  • Office environment
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
8 others found this helpful
Helpful
Winchester, MA – May 16, 2017
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Came to him for advice about prostate cancer. Instead got 30 min of him trying to strong arm me into doing some research study he's running. After I said no he got up and walked out and said he had other patients. I guess his fame means more to him than helping people.
What went well
No results
What could be improved
  • Office environment
  • Difficult to schedule appointment
  • Didn't listen or answer questions
  • Didn't explain conditions well
  • Staff wasn't friendly
  • Appointment was rushed
  • Didn't trust the provider's decisions
  • Long wait times
8 others found this helpful
Helpful
Jim in Acton, MA – Dec 11, 2016
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Condescending and visibly abusive to staff. If he can't treat the people that work under him with respect what chance do I have as his patient? Steer clear of this guy.
What went well
No results
What could be improved
  • Office environment
  • Difficult to schedule appointment
  • Didn't listen or answer questions
  • Didn't explain conditions well
  • Staff wasn't friendly
  • Appointment was rushed
  • Didn't trust the provider's decisions
  • Long wait times
7 others found this helpful
Helpful
Boston, MA – Oct 30, 2016
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I required salvage radiation following a prostatectomy (by Douglas Dahl, MD at MGH). Dr. Efstathiou had been part of my multi-disciplinary team and, while I had elected to have the prostatectomy instead of radiation (equal projected outcomes), when it was determined I needed radiation post-operatively, I requested him. My radiation was recently completed and, while I await my follow-up PSA to determine its success, the experience I had with Dr. Efstathiou and his staff was excellent.
What went well
  • Office environment
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
6 others found this helpful
Helpful
Jay E. Gonsalves in Rochester, MA – Aug 16, 2016
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Know Before You Go

About Me

biography

Dr. Jason Efstathiou, MD is a radiation oncologist in Boston, MA and has over 20 years of experience in the medical field. He graduated from HARVARD UNIVERSITY / SCHOOL OF PSYCHOLOGY in 2003. He is affiliated with medical facilities such as North...read more

  • Radiation Oncology

*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.

  • Harvard University / School Of Psychology

    Medical School, 2003
American Board of Medical Specialties®
American Board of Radiology®
- 
Radiation Oncology
For detailed information about any of the below board actions, please search for the provider's records on the linked state licensing board or the Federation of State Medical Boards. To learn more about the difference between these sources, please refer to our FAQs.
Healthgrades has not received any data indicating a board action exists for this provider.

Healthgrades receives board action history for physicians and physician assistants. The information displayed here is sourced from independent information providers, such as state board websites, and may not be the most up-to-date information. Healthgrades makes no representations with respect to the accuracy of any information provided here and assumes no responsibility or liability for such information.

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Focus on Breast Cancer

Locations

Practice

Massachusetts General Hospital55 Fruit St Boston, MA 02114
1
Office100 Blossom St Boston, MA 02114
2

Affiliated Hospitals

  • Massachusetts General Hospital

    55 Fruit St
    Boston, MA 02114
    Recipient of 31
    hospital awards

    America's 250 Best Hospitals Award™ (2025, 2024)

    Top in the nation for overall patient experience based on nine measures related to doctor and nurse communication, hospital cleanliness and noise levels, and medication and post-discharge care instructions

    Surgical Care Excellence Award™ (2025)

    Top in the nation for overall patient experience based on nine measures related to doctor and nurse communication, hospital cleanliness and noise levels, and medication and post-discharge care instructions

    View all awards

    How patients felt about the care they received at this hospital.

    90%
    Patients said they were given information about recovering at home

    6% higher than the national average

    86%
    Patients would recommend the hospital to friends and family

    21% higher than the national average

    View all patient feedback

  • Brigham and Women's Hospital

    75 Francis St
    Boston, MA 02115
    Recipient of 31
    hospital awards

    America's 250 Best Hospitals Award™ (2025)

    Top in the nation for overall patient experience based on nine measures related to doctor and nurse communication, hospital cleanliness and noise levels, and medication and post-discharge care instructions

    Outstanding Patient Experience Award™ (2024, 2023, 2022)

    Top in the nation for overall patient experience based on nine measures related to doctor and nurse communication, hospital cleanliness and noise levels, and medication and post-discharge care instructions

    View all awards

    How patients felt about the care they received at this hospital.

    91%
    Patients said they were given information about recovering at home

    7% higher than the national average

    84%
    Patients said that nurses always listened to them and explained things well

    9% higher than the national average

    View all patient feedback

  • North Shore Medical Center

    81 Highland Ave
    Salem, MA 01970
    Recipient of 39
    hospital awards

    America's 100 Best Hospitals Award™ (2025)

    Top 5% in the nation for consistently delivering clinical quality

    America's 250 Best Hospitals Award™ (2025, 2024, 2023)

    Top 5% in the nation for consistently delivering clinical quality

    View all awards

    How patients felt about the care they received at this hospital.

    87%
    Patients said they were given information about recovering at home

    3% higher than the national average

    81%
    Patients said that nurses always listened to them and explained things well

    6% higher than the national average

    View all patient feedback
Learn more about how Healthgrades measures Hospital Quality