Somasundaram Subramaniam, M.D.

Somasundaram Subramaniam, M.D.

Medical Oncologist

Medical Oncology

4.8 out of 5.0
Rating 4.7
(91 Reviews)
Accepting New Patients
Medical Oncology - Swedish Cancer Institute First Hill
1221 Madison Street
Suite 200
Seattle, WA 98104
Main Number

About Somasundaram Subramaniam, M.D.

Dr. Somasundaram Subramaniam is a Medical Oncologist at the Swedish Cancer Institute in Seattle, Washington. He has specialized expertise in the management of Gastrointestinal (GI) Cancers. This includes common cancers like colon and rectal cancers and also less common cancers like stomach cancer, neuroendocrine tumors (NETs) and liver and bile duct cancers. He also treats patients with lung cancer and kidney cancer. Dr. Soma chose to pursue a career in Oncology to help patients diagnosed with very serious illnesses and their families by providing hope, education and the best opportunities for treatment and cure. He is thrilled to be working with at Swedish, which has an excellent group of caring and highly-trained physicians, nurses and providers who all work very closely together with a robust multi-disciplinary team approach.. Dr. Subramaniam is an investigator on several clinical trials and a key member of the Personalized Medicine Research Program at Swedish, which focuses on the using a tumor's DNA mutations to target it with newer drugs. The Swedish Cancer Institute prioritizes opening cutting-edge clinical trials to ensure patients have access to the latest innovations in cancer therapy Dr. Subramaniam graduated from medical school at the National University of Singapore and obtained sub-specialty training during his fellowship at Stanford University, which was supported by a T32 training grant awarded by the National Institutes of Health. He is board-certified in Internal Medicine and Medical Oncology. Dr. Subramaniam also earned a Master of Science degree in Epidemiology and Clinical Research from Stanford. In addition to treating patients with cancer, Dr. Subramaniam is the Medical Director of the Cancer Control program, which emphasizes preventative measures and appropriate cancer screening, to reduce the incidence and burden of cancer in our community.


  • Stanford University
  • University of Hawaii
  • National University of Singapore
    Medical School

Board Certifications

  • American Board of Internal Medicine - Medical Oncology
  • American Board of Internal Medicine - Internal Medicine


  • American Society of Clinical Oncology


Insurances Accepted

  • Aetna Medicare Advantage HMO
  • Aetna Medicare Advantage PPO
  • Aetna PPO
  • Amerigroup - Medicare Advantage
  • Cigna PPO
  • Community Health Plan of Washington (WA Apple Health)
  • Coordinated care (WA Apple Health)
  • First Health/Coventry PPO
  • Health Net - TriCare
  • Humana - ChoiceCare PPO
  • Humana Medicare Advantage HMO
  • International Community Health Services Pace Program
  • Kaiser Foundation
  • Medicare
  • Molina
  • Molina Healthcare (WA Apple Health/Healthy Options)
  • Multiplan PPO
  • Premera Medicare Advantage HMO
  • Providence Health Plan
  • Providence Health Plan - Medicaid
  • Providence Health Plan - Medicare Advantage
  • Regence BlueShield of Washington
  • United Healthcare HMO
  • United Healthcare Medicare Advantage
  • United HealthCare PPO
  • WellCare

Clinical Interests

  • cancer
  • cancer chemotherapy
  • cancer during pregnancy
  • cancer survivor
  • colon cancer
  • colorectal cancer
  • colorectal screening
  • egfr mutation
  • endocrine complications of cancer therapy
  • gastrointestinal (gi) cancer
  • malignant neoplasm of liver
  • mesothelioma
  • pain management
  • pancreas cancer
  • plasma cell dyscrasia
  • pulmonary metastases
  • teratogen exposure
  • unknown primary cancer
  • virtual care

Other Locations

Patient Reviews
4.8 out of 5.0(91 Reviews)

The Patient Rating score is based on responses given during the CAHPS Patient Experience Survey. Comments are also gathered from the same survey and displayed in their entirety with the exception of any language that may be considered slander, libel or contain private health information, which will be removed prior to publishing the comments. Responses are measured on a 10 - point scale, with 10 being the best score. These scores are then translated to a 5 - point scale in order to display results in a 5 - star rating.