David C. Pratt Cancer Center

David C. Pratt Cancer Center

Cancer Treatment Center
607 S. New Ballas Road
St. Louis, MO 63141

Phone: (314) 251-6400
Fax: (314) 251-6853
Monday-Friday: 8 a.m. - 4:30 p.m.
Services are provided by Mercy Hospital St. Louis Learn more »

The safety of our patients and caregivers has been, and always will be, our priority. With strict safety standards in place, we have fully re-opened all service lines and we welcome and encourage patients to return for in-person visits, procedures and testing.

Get ready for your next visit and see our safety practices. 

St. Louis Cancer Care

Mercy Raises the Standard for Cancer Care in St. Louis

We're committed to helping patients find the right path, all closer to home. We are a team of oncology specialists dedicated to the diagnosis and treatment of cancer with a goal of personalizing each and every cancer treatment plan. We want you to understand your treatment options and be involved in every step of the way. Your team can consist of a combination of one, or all, of the following providers as well as a host of support specialists and services to help you through your journey:  a navigator, surgeon, medical oncologist and radiation oncologist.

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David C. Pratt Cancer Center at Mercy Hospital St. Louis

Patient-Centered Care

St. Louis’ Trusted Choice for Cancer Care. Your life and your cancer care are our life's work. Each year thousands of St. Louisans turn to Mercy Cancer Services for cancer treatment, making us one of the most trusted providers in the area. We understand that choosing a cancer care center can be a difficult decision. Look to Mercy for our deep experience and the latest technology:  

Deep Experience

Specialized cancer care comes from fellowship-trained oncology surgeons and oncology-certified nurses. Mercy St. Louis has the highest volume of robotic surgery in the state and we rank in the top 5% nationally.

Latest Technology

Thanks to advances in technology, cancer treatments are constantly improving and Mercy continues to stay at the forefront of innovation. Today we offer 3D image-guided Linear Accelerators, non-invasive Cyberknife treatment, targeted radiation TomoTherapy® and more. With construction starting for our Mevion Proton Therapy system, we’ll continue to provide the latest advances in cancer treatment in the future. 

Care for Mind, Body & Spirit

Mercy cancer patients are at the center of a collaborative, multispecialty team of cancer experts who develop coordinated treatment plans. Our Oncology Nurse Navigation Program supports cancer patients and their families every step of the way. This service, available at no cost to cancer patients, provides personalized support. Integrative medicine promotes healing and well-being with services such as acupuncture, massage and healing touch. Our cancer rehab program helps patients heal by improving their physical, emotional and spiritual outlook, and return to normal function again. 

What Sets Us Apart

Fully Accredited. Clearly Committed.

Your life and your cancer care are our life's work. Each year thousands of St. Louisans turn to Mercy Cancer Services for their cancer treatment. Mercy’s fully accredited cancer program holds a number of accreditations and quality awards:

  • Mercy’s cancer center has a 3 Year accreditation from the Comprehensive Community Program with commendations from the Commission on Cancer. This distinction is given to fewer than 20% of all cancer programs in the country.
  • Accredited by the American College of Surgeons Commission on Cancer since 1984 as well as by The Joint Commission
  • A 3-year term of accreditation in breast ultrasound from the American College of Radiology (ACR). The ACR gold seal of accreditation represents the highest level of image quality and patient safety and is awarded only after peer evaluation by board-certified physicians and medical physicists.
  • Named a Breast Imaging Center of Excellence (BICOE) by the American College of Radiology (ACR). The BICOE designation is awarded to breast imaging centers that achieve excellence by seeking and earning accreditation in all the ACR’s voluntary breast-imaging accreditation programs and modules in addition to the mandatory Mammography Accreditation Program.
  • 2020 winner of the Association of Community Cancer Centers Innovator Award for our QI initiative effort: Reducing Readmissions After Chemotherapy.  


The John Krey III Cancer Information Center

Located in the David C. Pratt Cancer Center, we assist cancer patients & their family members. Our services include health promotion, patient education, early detection support for cancer patients trying to cope with a serious disease that affects nearly every aspect of their lives. 

Cancers We Treat

Coming Soon
Proton Therapy

Proton therapy is a highly specialized, advanced form of radiation therapy and coming soon to the David C Pratt Cancer Center. 

Learn more