T. Salewa Oseni, MD, FACSAffiliate

Breast Surgery

Foundation Surgery

Accepting New Patients


T. Salewa Oseni, MD is a member of the Division of Surgical Oncology at the Massachusetts General Hospital. She specializes in breast surgery with a pending appointment as an Instructor in Surgery for Harvard Medical School.

Dr. Oseni received her undergraduate training at the University of Massachusetts, Lowell and her medical degree from the Case Western Reserve University. Following this, she was commissioned as an officer in the United States Navy and completed her general surgery training at the National Naval Medical Center in Bethesda, MD.

She received her fellowship training in surgical oncology at Fox Chase Cancer Center in Philadelphia. Dr. Oseni most recently was the Director of the Breast Health Center at the Naval Medical Center San Diego. Dr. Oseni is currently a surgical member of the multidisciplinary cancer team at the Massachusetts General Hospital and Southern New Hampshire Medical Center.


Medical School
Case Western Reserve University (Cleveland, OH)
National Naval Medical Center, General Surgery (Bethesda, MD)
Fox Chase Cancer Center, Surgical Oncology (Philadelphia, PA)
Board Certifications

Clinical Interests

  • Breast surgery
  • Diagnosis and treatment of breast disease
  • Innovations in lumpectomy techniques
  • Nipple sparing mastectomy
  • Management of patients at high risk for breast cancer
  • Breast cancer surgery
  • Breast cancer treatment

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