Lone Tree - Sky Ridge Medical Center Breast Specialists

Evergreen Building
10107 Ridgegate Pkwy., Ste. 200
Lone Tree, CO 80124

Phone: 303-376-5020

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  • Chemotherapy
  • Clinical Research Trials
  • Hormone Therapy
  • Immunotherapy
  • Radiation Therapy
  • Targeted Therapy


  • Advance Care Planning
  • Diagnostic Imaging (PET/CT)
  • Infusion Suite
  • Laboratory Services
  • Medically Integrated Pharmacy
  • Nursing Triage
  • Patient Financial Counseling
  • Scalp Cooling/Hair Loss Prevention
  • Supportive Care Counseling and Education
  • Survivorship and Support Groups

Physicians at this location:

Medical Oncologist / Hematologist

Ioana M. Hinshaw, MD

Ioana M. Hinshaw, MD

Medical Oncologist

Michele Basche, MD

Michele Basche, MD

Mabel Mardones, MD

Mabel Mardones, MD


Welcome to Rocky Mountain Breast Specialists in Lone Tree, a breast cancer treatment center located at 10107 Ridgegate Pkwy., Ste. 200 in Sky Ridge Medical Center where we have a dedicated multidisciplinary team of cancer providers offering expertise in all areas of breast care. These breast specialists are experts in advanced cancer treatment therapies and comprehensive supportive care to provide a total breast cancer treatment program.

Treatments offered at this clinic include chemotherapy, hormone therapy, immunotherapy, radiation therapy, and targeted therapy. We also provide our patients with a variety of cancer care services such as diagnostic imaging, laboratory services, and a medically integrated pharmacy.

We are proud to give our patients access to the latest treatments, an extensive clinical trial research program, education and support services, and expert guidance from our specially-trained and board-certified physicians. Our multidisciplinary team of breast specialists includes recognized experts in areas such as breast surgical specialists, medical oncologists, radiation oncologists, and supportive care team members— all who collaborate to deliver an unparalleled standard of care in Lone Tree, Colorado.

Parking: Options include a parking garage located on the east side of the Evergreen building, as well as the dedicated parking in the lots in front of our building. Complimentary valet is also available in front of The Women’s Hospital at Sky Ridge Medical Center, a short distance from the entrance to the Evergreen building.