Giving Patients Strength
Margaret Potter is an Oncology Nurse at AdventHealth Cancer Center Shawnee Mission. For the last 12 years, Margaret has shaved her head to raise awareness and funds for patients going through cancer treatment. According to Margaret, when her patients lose their hair, she sees it as “a badge of courage, strength and beauty.” Hear Margaret’s story and her personal experience and passion for oncology.

We’re More Than a Medical Team
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Physicians
Each of our oncology specialists — including medical oncologists, radiation oncologists and pathologists — is committed to finding answers for you and your family and setting you on a path to healing.
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Care Navigators
From scheduling appointments and coordinating details across your medical team to easing your mind about what’s to come, the care navigators at AdventHealth Cancer Center Shawnee Mission will help you navigate every step of your journey.
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Supportive Care
Treating cancer goes beyond treating the disease. That’s why we offer a wide range of support and resources to strengthen your body, ease your mind and lift your spirits.
Our services include therapy to address any side effects from treatments. We also offer support groups, spiritual support and much more.
Cancer Care Team
Meet Our Team Oncology and Hematology
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Simran Elder, MD
Oncologist and Hematologist
Medical Director, High Risk Breast Clinic -
Rakesh Gaur, MD, MPH, FACP
Oncologist and Hematologist
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M. Jameel Kyasa, MD
Oncologist and Hematologist
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Abdulraheem Qasem, MD
Oncologist and Hematologist
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Ali Shwaiki, MD
Oncologist and Hematologist
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Jordan Cunningham, APRN, FNP-C
Certified Nurse Practitioner
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Bailey Mars, DNP, FNP-BC, AOCNP
Certified Nurse Practitioner, Benign Hematology Clinic
Gynecologic Oncology
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Lowell Byers, MD
Gynecologic Oncologist
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Sara Lange, MD
Gynecologic Oncologist
Chair, Cancer Committee -
Brenda Shoup, MD
Gynecologic Oncologist
Medical Director, Gynecologic Oncology -
Alexa Byrd, APRN, FNP-C
Certified Nurse Practitioner
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Niki Switzer, APRN, FNP-C
Certified Nurse Practitioner
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Ragan Vanleeuwen, APRN, FNP-C
Certified Nurse Practitioner
Breast Oncology
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Simran Elder, MD
Oncologist and Hematologist
Medical Director, High Risk Breast Clinic -
Elizabeth Butler, DO, FACS, FACOS
Breast Surgeon
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Kristine Freyaldenhoven, MD, FACS
General Surgeon
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Bettina Lowe, MD, FACS
General Surgeon
Medical Director,
NAPBC Breast Program -
Lesley Hofer, APRN, FNP-C, AOCNP
Certified Nurse Practitioner, High Risk Breast Clinic
Radiation Oncology
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Bhaswanth Dhanireddy, MD
Radiation Oncologist
Medical Director, Radiation Oncology
Surgical Oncology
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Casey Hertzenberg, MD, FACS
Cardiothoracic Surgeon
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Jeremy Cravens, MD
Colorectal Surgeon
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Kristine Freyaldenhoven, MD, FACS
General Surgeon
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Bettina Lowe, MD, FACS
General Surgeon
Medical Director,
NAPBC Breast Program -
Nicholas Wirtz, MD
Head and Neck Surgeon
Medical Director, Head and Neck Program
Lung Oncology
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Brandon Bowers, MD
Pulmonologist and Critical Care
Medical Director, Lung Cancer
Pathology
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Samuel K. Caughron, MD
Pathologist
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Elizabeth Manion, MD
Pathologist
Our Extended Care Team
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Liane Hower, BSN, RN, OCN
Head and Neck, GI Navigator
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DeeAnn Abke, MSN, RN, OCN
Breast Navigator
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Jenny Potter
Breast Imaging Navigator
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Julie Day, RN, BSN
Lung Navigator
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Molly Reynolds, PT, MSPT
Certified Oncology Physical Therapist
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Sona Hoffhines, MSW
Social Worker
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Tashena Deisch
Financial Navigator
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Vicki Finch
Financial Navigator
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Chrissy Roth
Financial Navigator
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Tiffany Summers
Financial Navigator