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Comprehensive cancer care

When someone close to your heart is facing the fight of their life with cancer, you want the best available care in one place, close to home. The Helen K. Spears Cancer Center is a department of Three Rivers Medical Center that provides cancer treatment to patients, including radiation therapy, infusion, lab and pharmacy services. With over 80% of cancer treatment consisting of outpatient care, the recently expanded Spears Cancer Center lessens the amount of time and travel needed to receive lifesaving care in Josephine County.

What's inside

  • Asante Hematology Oncology Clinics with care provided by Hematology Oncology Associates physicians.
  • Supportive services such as nurse navigation, social workers, dietitians and more.
  • A 34-bay infusion center on the second floor.
  • Comprehensive Radiation Oncology services.
  • Diagnostic computerized tomography (CT) scanner.
  • Dedicated oncology pharmacy services.
  • On-site lab services and pharmacy.


Precision radiation therapy

The Varian TrueBeam

The new Varian TrueBeam radiotherapy system treats tumors so precisely that what once took 25 treatments could take as little as five or fewer — and it's just arrived in Grants Pass. It combats cancer wherever it appears in the body, even on the skin. Its precision saves surrounding, healthy tissue from damage.

Elekta Linear Accelerator Machine

The Elekta Infinity

The Elekta Infinity is a digital linear accelerator used for radiotherapy treatments. It integrates image-guided radiation therapy to deliver precise and efficient treatments, often in shorter durations.

The Spears Cancer Center exists because of philanthropy 

Over 800 donors have raised more than $9.6 million for Asante's cancer centers’ construction and programs to date. The Spears Cancer Center is part of Asante’s $1 billion investment in health care over the next 10 years, to help meet the needs of patients now and decades from today.

Additional donations are always welcome, and they help the Asante Foundation in its efforts to raise the additional funds necessary for expansion projects to continue. To learn more about donations, please call Asante Foundation at (541) 789-5025. 

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Contact info and directions

Heimann Cancer Center shown on a MapSpears Cancer Center
510 SW Ramsey Ave.
Grants Pass, OR 97527
(541) 789-4673
(800) 824-4353

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Hours: 8 a.m.–5 p.m., Monday-Friday

This clinic is licensed as part of Three Rivers Medical Center. You may receive a separate charge or billing for facility fees in addition to any professional fees for services, which may result in a higher out-of-pocket expense.

Reviewed by D. Al Bicyclechi on July 02, 2025

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As the largest health care provider in nine counties, Asante provides comprehensive medical care to more than 600,000 people throughout southern Oregon and northern California. Our facilities include Ashland Community Hospital, Rogue Regional Medical Center, Asante Three Rivers Medical Center, Asante Physician Partners and additional health care partnerships throughout the region.

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