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  • Internal Medicine, Oncology
  • Accepting new patients
  • 36 years of experience
  • Olympic Medical Cancer Center 844 N 5th Ave, Sequim, WA 98382
  • (360) 683-9895

Brief Intro

Dr. Sienko received his medical degree from the University of Illinois College of Medicine, Rockford, Illinois, in 1989. This was followed by an internal medicine residency completed at St. Paul Medical Center in 1992. He then completed a hematology-oncology fellowship at the University of Texas Southwestern Medical Center in June, 2005. He is board certified in hematology and oncology.

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Education Background

RESIDENCY

St. Paul University Hospital

MEDICAL SCHOOL

University Of Illinois At Chicago College Of Medicine - 1989

Languages Spoken

  • Spanish
  • Chinese

Location & Hours

  • Olympic Medical Cancer Center
  • 844 N 5th Ave, Sequim, WA 98382
  • Mon:8:00 am - 5:00 pm
    Tue:8:00 am - 5:00 pm
    Wed:8:00 am - 5:00 pm
    Thu:8:00 am - 5:00 pm
    Fri:8:00 am - 5:00 pm
    Sat:Closed
    Sun:Closed

Specialties Treated

  • Oncology
  • Internal Medicine

Conditions Addressed

  • Leukemia
  • Hemophilia A or B
  • Vitamin B12 Deficiency Anemia
  • Anemia
  • Non-Hodgkin's Lymphoma
  • Hodgkin's Lymphoma
  • Iron Deficiency Anemia
  • Multiple Myeloma
  • Malignant Neoplasm of Female Breast
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Procedures Performed

  • Chemotherapy
  • Chemotherapy
  • Blood transfusion
  • Chemotherapy
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Insurance Accepted

* Insurance information may change frequently. Please verify directly with the provider (doctor/clinic).

  • Medicare
  • Premera Blue Cross
  • Medicaid
  • Regence BlueShield
  • Blue Cross Blue Shield
  • GEHA
  • UnitedHealthcare Oxford
  • Molina Healthcare
  • Community Health Plan of Washington
  • AARP
  • AltaMed Senior BuenaCare (PACE)
  • Aetna
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  • Cancer 20
  • Cardiology, Heart & Vascular Surgery 15
  • Orthopedics 36
  • Neurology & Neurosurgery 21
  • Gastroenterology & GI Surgery 32
  • Pulmonology & Lung Surgery 33
  • Diabetes & Endocrinology 12
  • Children's Hospital 4
  • Urology 30
  • Psychiatry 16
  • Geriatrics 33
  • Rehabilitation 13
  • Obsterics & Gynecology 4
  • Ear, Nose & Throat 4
  • Rheumatology 1
  • Long Term Care 1
  • Maternity Care (Uncomplicated Pregnancy) 15