Missouri Cancer Associates Radiation Oncology Physicians

Pictured from left to right: Dr. Johnson, Dr. Allen, Dr. Decker, Dr. Cope, Dr. Biedermann, Dr. Westgate, Dr. Bryer and Dr. Bean

Nursing

Lauren Sapp

Lauren Sapp

RN Registered Nurse

Lauren graduated in 2021 with her RN. Prior to that, she practiced as an LPN, with the last two years working at Boone Hospital Center in general surgery. Lauren was born and raised in Columbia and owns a home with her boyfriend and two dogs. In her free time, Lauren loves to craft, sew, read and attend renaissance fairs and historical reenactments. She also enjoys grilling on the back patio and lounging with the dogs.

Debbie Wilson

Debbie Wilson

LPN Licensed Practical Nurse

Debbie has been practicing as an LPN for 35 years in almost all fields of Nursing. She graduated from the Nursing Program at State Fair Community College in Sedalia, MO in 1985. She spent the last 6 years living and working in northern Wyoming which she enjoyed very much. She spent a lot of time in the Big Horn Mountains and Deadwood, South Dakota. She returned to Missouri to be closer to her family. In her spare time, Debbie enjoys gardening, being outside, doing crafts, and DIY projects. She is excited to be a part of the MCA Team.

Gretchen Boughton

Gretchen Boughton

Medical Assistant

Gretchen has been with MCA since 1992. Her duties include but are not limited to, assisting physicians with procedures and navigating patient flow. “Our patient’s ability to smile through it on good days and fight through it on bad ones are attributes I admire most. They are warriors and I am honored to part of their journey. Their overall comfort is my priority.”  In Gretchen’s free time she enjoys spending time with her son, two granddaughters and two grandsons, attending concert, going with her husband and dabbling in DIY crafts.

Radiation Therapists

 
Kimberly Kite

Kimberly Kite

RT (R) (T), Chief Radiation Therapist

Kim graduated from St. John’s School of Radiologic Technology in 1994 and from The University of Kansas Medical Center Radiation Therapy Technology in 1995.  She spent the first 5 ½ years of her career in Springfield, MO before joining MCA in June of 2001. She has served as a representative of The Clinical Advisory Council within the US Oncology Network since 2011.   In her spare time, she enjoys physical fitness, music, watching football, softball, and spending time with her family. “I enjoy getting to know the patients and their families during this difficult time. The field has changed immensely over the years and I enjoy the challenges that come with utilizing state-of-the-art technology, while providing compassionate care to our patients here in Mid-Missouri area.”

 

Michelle Hammond

Michelle Hammond

BSRT (R) (T) Staff Radiation Therapist

Michelle graduated from the University of Missouri in 2004 with a Bachelor of Science Degree in Radiologic Technology. She continued her education at Barnes Jewish Hospital College with a Bachelor in Radiation Therapy in 2005.   She is married and has two little girls. “I enjoy all the wonderful people I meet!  Along with the precision and accuracy of my job, I hope to also be listening ears, and a friend to lift patients through their treatments!”
Tricia Stingley

Tricia Stingley

RT (R) (T) Staff Radiation Therapist

Tricia has worked at MCA for 15 years. She attended Avila College where she studied Radiation Therapy and completed her clinical training at St. Luke’s Hospital in Kansas City. She and her husband have 2 daughters in college. She enjoys caring for her patients’ everyday as-well-as being a part of their support network.
Akaysha Ragan

Akaysha Ragan

BSRT (R) (T), Staff Radiation Therapist

Akaysha has worked at Missouri Cancer Associates since October 2016.  She received a Bachelor’s Degree in Radiologic Sciences from Northwest Missouri State University and then furthered her education studying Radiation Therapy at Southing Illinois University- Carbondale. In her free time, she enjoys trout fishing, spending time with family, and playing with her dogs. “I enjoy working at MCA because I get to interact with the patients each day. I love getting to know them and I enjoy being a positive, smiling face during this difficult time in their lives.”

Paula Diggins

Paula Diggins

RT (R) (T), PRN Staff Radiation Therapist

Paula started in radiation therapy in 1976 at Boone Hospital Center. She joined the MCA team in November of 2005. “The best part of my job is interacting with all the patients.”  Paula’s spare time, she enjoys being with her family and training her Border Collies.

Saysha Nevins

Saysha Nevins

RT (R) (T), PRN Staff Radiation Therapist

Saysha started her career as an elementary teacher with a BS and MED from William Woods University, before deciding it was time for a change. She loved the idea of helping patients along their journey with cancer treatment. She attended Washburn University where she studied Radiation Therapy and completed clinical training at Goldschmidt Cancer Center in Jefferson City. She then spent two years in Tucson with Arizona Oncology before returning home to be closer to family. She joined the MCA team in 2019.

Sidney Mortenson

Sidney Mortenson

RT (R), Washburn University Radiation Therapy Student

Sidney graduated from State Fair Community College with an associate degree in Allied Health and Applied Sciences. She continued her education at State Fair in Radiologic Technology and in May 2020 became a Registered Radiologic Technologist. Sidney is currently enrolled at Washburn University in the Radiation Therapy Program. “I love coming to MCA and working alongside this team and learning more and more every day so that I can provide quality care to my patients in my new career.”

Physics and Dosimetry

Iris Y. Ouyang

Iris Y. Ouyang

MS, Certified Medical Physicist, RSO

Iris has been a certified Medical Physicist by American Board of Radiology for over 20 years. She has worked at esteemed academic institutions, such as Loyola University as staff physicist, Henry Ford Health system as lead physicist, as-well-as several celebrated community hospitals. Her broad experiences and enthusiastic nature as it relates to patient-care has long been recognized. She was voted in as the President of Great Lake Regional Medical Physics Society in 2005.  Along with her current Chief Medical Physicist duties, she currently serves as Co-chair of US Oncology Networks Radiation Therapy Policies and Procedures.

“Providing the highest quality care while ensuring safety to all patients, is always my number one priority.”

Mark Tucker

Mark Tucker

MS, MEng, Medical Physicist

Mark is a Medical Radiation Physicist who has worked at Missouri Cancer Associates since 2011. His duties include the routine testing of radiation-delivery equipment, assisting physicians with the planning and delivery of special high dose rate (HDR) radiation treatments, and generally helping to ensure that all radiation treatments are delivered safely and accurately. In his spare time, he enjoys playing guitar, exercising, reading, and keeping his cat out of trouble.
Abby Samek

Abby Samek

CMD, RT (R) (T) Certified Medical Dosimetrist

Abby has been a Medical Dosimetrist with MCA for 11 years.  Her role in the radiation therapy department is to work with the radiation oncologist to design a unique treatment plan for each patient.  Abby is married and has 2 children.  She enjoys spending time with family and traveling. “Although most patients never meet me, I take pride in knowing that I’ve played a crucial role in their cancer treatment.” 
Nathan Long

Nathan Long

RT (R), Medical Dosimetrist

Nathan received his Associate of Applied Science in Medical Radiologic Technology from State Technical College of Missouri, a Bachelor of Music from Southeastern Louisiana University, and a Master of Science in Medical Dosimetry from John Patrick University. As a Medical Dosimetrist, Nathan works as a team with the physicians and physicists to create plans for treatment delivery. Nathan is married and has two children. In his spare time, he enjoys spending time with his family, exercising, golfing, playing music, attending concerts, and traveling.

Diagnostic Imaging

Piper Klausmeyer

Piper Klausmeyer

RT(N)(ARRT), CNMT, PET, PET/CT Technologist

Piper graduated from the University of Oklahoma in 1992 with her Bachelor of Science degree in Nuclear Medicine.  She spent her first 10 years working in Wichita, Kansas as a Nuclear Medicine Technologist before moving to Columbia. She continued to work as a Nuclear Medicine Technologist and PET Technologist at Boone Hospital for 14 years. She joined Missouri Cancer Associates in May of 2015 as our PET Technologist. She enjoys reading and spending quality time with her friends and family.  “Working at MCA has taught me that everyone has a fighting chance. We should all fight as hard and strong as our patients do, each and every day.”
Taylor Rackley

Taylor Rackley

BSRT (R) (CT), CT and X-Ray Technologist

Taylor is originally from St. Louis but came to Columbia for school in 2014. She graduated in 2018 from Mizzou’s Radiography Program and joined the MCA family in 2019. She looks forward to being the patients’ ray of sunshine in each day and getting to know each and every patient she meets. “MCA patients are what make our jobs the best on the market.”

Sonja Crozier

Sonja Crozier

RT (R) (CT), CT and X-Ray Technologist

Sonja works in our CT and X-Ray Departments. Sonja joined the Missouri Cancer Associates team in 1998. “My mission here is to make each patient feel like it’s one of the best 15 to 20 minutes of their day.”
T.J. Burns

T.J. Burns

RT (R) (CT), PRN CT and X-Ray Technologist

For the past 20 years, T.J. has worked as a CT and Radiologist Technologist. He graduated from Penn Valley in Kansas City. He loves working with patients and giving them the best possible care.  In his free time, he enjoys camping and biking with this wife and three children.