Photo of Somasundaram Subramaniam

Somasundaram Subramaniam, M.D., MS


Professional Statement

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.

Read More

Accepts 46 Insurance Plans

Please contact the practice directly to confirm your health plan is accepted
  • Aetna Medicare Advantage HMO
  • Aetna Medicare Advantage PPO
  • Aetna PPO/POS
  • Aetna Whole Health - Polyclinic
  • Aetna Whole Health - Providence Swedish
  • Aetna Whole Health - Puget Sound
  • Amerigroup Amerivantage Dual Coordination
  • Amerigroup Amerivantage HMO
  • Amerigroup Medicaid (Apple Health/Healthy Options/CHIP)
  • Bluecross/Blueshield Bluecard PPO
  • CHPW Medicaid (Apple Health/Healthy Options/CHIP)
  • Cigna Behavioral Health
  • Cigna/Greatwest Healthcare PPO
  • Coordinated Care Ambetter Exchange HMO
  • Coordinated Care Medicaid (Apple Health/Healthy Options/CHIP)
  • Coventry/First Health PPO
  • First Choice PPO
  • Humana Medicare Advantage
  • Humana PPO
  • Kaiser (Contract Limitations)
  • LifeWise Connect Exchange
  • LifeWise PPO
  • Medicaid of Washington
  • Medicare
  • Molina Marketplace Exchange HMO
  • Molina Medicaid (Apple Health/Healthy Options/CHIP)
  • Molina Medicare Advantage
  • Multiplan PPO
  • Optum/Optum Behavioral Health
  • PacMed USFHP
  • Premera Heritage
  • Premera Heritage Signature
  • Premera Medicare Advantage HMO
  • Private Healthcare Systems (PHCS) PPO
  • Providence Health Plan Medicare Advantage
  • Regence MedAdvantage PPO
  • Regence PPO
  • Triwest VAPC3/Choice Card
  • United Behavioral Health Medicaid
  • United Behavioral Health Medicare Advantage
  • United Behavioral Health PPO
  • United HealthCare AARP HMO
  • United HealthCare Medicare Advantage
  • United HealthCare PPO
  • Workers' Compensation (L&I)
Read More


National University of Singapore
medical school
University of Hawaii
Stanford University

Board Certifications

American Board of Internal Medicine
Internal Medicine
American Board of Internal Medicine
Medical Oncology

Clinical Interests

  • Cancer
  • Cancer Chemotherapy
  • Cancer During Pregnancy
  • Cancer Of Pancreas
  • Cancer Survivorship
  • Colorectal Malignancy
  • Colorectal Screening
  • Egfr Mutation
  • Endocrine Complications Of Cancer Therapy
  • Gastrointestinal Cancer
  • Malignant Neoplasm Of Colon
  • Malignant Neoplasm Of Liver
  • Mesothelioma
  • Pain Management
  • Plasma Cell Dyscrasia
  • Pulmonary Metastases
  • Teratogen Exposure
  • Unknown Primary Cancer
Read More

Professional Associations

American Society of Clinical Oncology
Read More


  • English

Practice Locations

Somasundaram Subramaniam practices at one location

Affiliated Facilities
  • Swedish Cherry Hill
  • Swedish First Hill
Medical Groups
Swedish Medical Group logo