Doctors Who Treat Breast Cancer in Sequim, WA
Providers in Sequim whose specialty's scope covers breast cancer— ranked by profile completeness & registry tenure, notby quality, outcomes, or who is "best".
12 active providers with a practice address in Sequim, Washington have a primary specialty that treats breast cancer. We assert that these specialties treat breast cancer, not that any specific provider treats your case. Open any provider for their full profile, contact, and map.
Breast Cancer specialists in Sequim
12 providers whose specialty treats breast cancer practice in Sequim. Compare the most complete records below, or filter the full list by name and nearby ZIP.
Compare providers in Sequim →- 1
- 2Tina PassalarisM.D.
Medical Oncology Physician · Sequim, WA
Street-level locationView full profile & map → - 3
Radiation Oncology Physician · Sequim, WA
Street-level locationView full profile & map → - 4
Medical Oncology Physician · Sequim, WA
Street-level locationView full profile & map → - 5
Radiation Oncology Physician · Sequim, WA
Street-level locationView full profile & map → - 6
Radiation Oncology Physician · Sequim, WA
Street-level locationView full profile & map → - 7
Medical Oncology Physician · Sequim, WA
Street-level locationView full profile & map → - 8
- 9
Medical Oncology Physician · Sequim, WA
Approximate (ZIP-level)View full profile & map → - 10
Radiation Oncology Physician · Sequim, WA
Street-level locationView full profile & map → - 11Mark SienkoM.D.
Medical Oncology Physician · Sequim, WA
Street-level locationView full profile & map → - 12William HarrerM.D.
Medical Oncology Physician · Sequim, WA
Street-level locationView full profile & map →
These are active providers in Sequim, Washington whose primary NUCC specialty treats breast cancer; it is not a list of providers confirmed to treat your specific case, and absence does not mean a provider does not treat it. Ordering reflects NPPES profile completeness and registry tenure — a transparency signal, not a quality, outcome, or "best" ranking. Condition-to-specialty mapping: MedlinePlus, NIH, ABMS. Source: CMS NPPES (June 2026); specialty taxonomy: NUCC.