Subramony Subramonia Iyer

Subramony Subramonia Iyer, MD

Hematology, Hematology & Oncology, Internal Medicine, Medical Oncology

Provider Groups

  • Trinity Health Of New England Medical Group

Primary Contact

413-748-7370
Provider Groups
  • Trinity Health Of New England Medical Group

Primary Contact
413-748-7370

Services & Specialties

Areas of Specialization

  • Hematology
  • Hematology & Oncology
  • Internal Medicine
  • Medical Oncology

Clinical Interests

Conditions Treated

  • Caritas
  • Medical Oncology
  • Hematology and Oncology

Locations & Contact

About

Subramony Subramonia-Iyer, MD, is a board-certified medical oncologist and hematologist who brings a wealth of experience from across multiple specialties and work settings, including a stint with the World Health Organization and several years in public health administration in England and Wales. He has been in practice at Pioneer Valley Oncology and Hematology for more than a decade and feels privileged to have helped hundreds of patients and families face the challenges of cancer treatment. He is a member of the American Society of Clinical Oncology and is board-certified in three specialties.

Dr. Subramonia-Iyer's goal is to be present for his patients when they need him the most, assist them in their understanding of their disease, and to make smart decisions that work for them by improving longevity and quality of life.

Additional Resources

Education & Certifications

Education

Education:
University of Kerala (1995)

Residency:
Hurley Medical Center (2010)

Fellowship:
Grand Rapids Area Medical Education Center (2012)

Fellowship:
University of Massachusetts Medical School (2013)

Fellowship:
UMass Chan Medical School (2013)

Board Certifications

Hematology, Hematology, American Board of Internal Medicine Subspecialty (2013)

Medical Oncology, Medical Oncology, American Board of Internal Medicine Subspecialty (2013)

Internal Medicine, American Board of (2010)

Provider Groups

Trinity Health Of New England Medical Group

Provider Ratings

The following ratings and reviews are based on verified feedback collected from independently administered patient experience surveys. The ratings and comments submitted by patients reflect their own views and opinions. Patient identities are withheld to ensure confidentiality and privacy. Learn More >

4.8 out of 5

(80 ratings)

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.

5 Reviews

09/26/2025

Outstanding

09/02/2025

very good

08/18/2025

Excellent doctor. I would highly recommend them to anyone.

08/18/2025

Always very professional friendly and compassionate overall excellent doctor

08/15/2025

I always feel as if Dr. Iyer is fully aware of my condition and gives me positive feedback at my appointment. He makes me feel confident about my prognosis and is doing everything to prolong my life.I feel he really cares for his patients.