St. Alphonsus Medical Center - Ontario
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Cancer Care

If you have been diagnosed with cancer, you have many questions. At Saint Alphonsus Cancer Care Center in Ontario, our highly skilled team of professionals is here to provide the guidance you need, accurate answers and effective treatment. Two highly-skilled and experienced Saint Alphonsus Oncologists offer their expertise in life saving cancer care and are dedicated to assisting you step by step, from diagnosis to treatment to recovery.

Services offered at the Ontario Cancer Care Center include:

  • Advanced imaging tests to diagnose cancer.
  • Chemotherapy to treat cancer.
  • Radiology.
  • Access to cancer clinical trials.
  • Patient navigator to answer questions and guide patients through their cancer treatment.

Our Oncologists:

A. Scott Pierson, MDA. Scott Pierson, MD, Medical Oncologist

Dr. Scott Pierson is a board certified medical oncologist and hematologist. He attended Princeton University as an undergraduate where he majored in political science. He attended Jefferson Medical College in Philadelphia and graduated magna cum laude. Dr. Pierson has particular interests in the treatment of breast, lung and gastrointestinal cancers..

1050 SW 3rd, Suite 2600, Ontario, OR  97914
Wednesdays from 9:00 a.m. to 4:00 p.m.
To schedule an appointment 208-288-4679

Patrick Connor, MDPatrick Connor, MD, Gynecologic Oncologist

Dr. Patrick Connor is a board-certified Gynecologic Oncologist and fellow with the American College of Obstetrics and Gynecology. He received his medical degree and completed his residency at Georgetown University School of Medicine in Washington, DC.

1050 SW 3rd, Suite 3200, Ontario, OR   97914
4th Friday of every month
9:00 a.m. to 4:00 p.m.
To schedule an appointment 208-367-5227




Saint Alphonsus Medical Center - Ontario  |  351 S.W. 9th Street  |  Ontario, Oregon 97914  |  541-881-7000

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