Subramony Subramonia Iyer

Subramony Subramonia Iyer, MD

Hematology, Hematology & Oncology, Medical Oncology

Provider Groups

  • Trinity Health Of New England Care Alliance

  • Trinity Health Of New England Medical Group

Primary Contact

413-748-7370
Provider Groups
  • Trinity Health Of New England Care Alliance

  • Trinity Health Of New England Medical Group

Primary Contact
413-748-7370

Services & Specialties

Areas of Specialization

  • Hematology
  • Hematology & Oncology
  • 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, American Board of Internal Medicine Subspecialty Hematology (2013)

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

American Board of Internal Medicine (2010)

Provider Groups

Trinity Health Of New England Care Alliance

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 >

4.9 out of 5

(292 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.

18 Reviews

06/03/2026

Great visit.

03/13/2026

Excellent

02/20/2026

Gran doctor mejor yo creo que difícil de encontrar

01/28/2026

Would like to have additional information regarding my appointment and discussion on the " after visit summary ".

01/09/2026

Very good

12/22/2025

Very professional

12/16/2025

Excellent doctor. Would recommend.

12/16/2025

Compassionate, caring and very knowledgeable provider .

12/09/2025

Cold not ask for a better Doctor.

12/09/2025

He is a compassionate and empathetic doctor who treats his patients with respect.

12/05/2025

I highly recommend Dr. Iyer I am so grateful he is my oncologist

12/05/2025

I feel The doctor is very attentive and considerate to my concerns.

11/19/2025

Been seeing SUBRAMONIA-IYER SUBRAMONY for 3 years and always excellemt support along with Nurse Shauna

11/03/2025

Like I said before he's a great doctor

10/20/2025

Dr. Iyer is at the top of my list of Physicians that I have faith in and trust.

10/13/2025

Great Doctor

09/26/2025

Outstanding

09/02/2025

very good
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