Staff

Scheduling Team  
Email: CC_RadOnc_Schedulers@kumc.edu 
Phone number: 913-588-3631
Fax: 913-588-7799

Roxanne Hale, MHA, FACHE, CMPE
Business Administrator, Radiation Oncology
Email:  rhale4@kumc.edu
Phone: 913-588-2393

Ronnie Johnson Jr.
Administrative Assistant, Ambulatory
Email: rjohnson42@kumc.edu
Phone 913-588-8895

Ross Johnson, B.S.R.T (T)
Clinical Director, Radiation Oncology
Email: rjohnson44@kumc.edu 
Phone: 913-588-3649

Shaya Johnson
Administrative Assistant, Ambulatory
Email: sjohnson58@kumc.edu
Phone: 913-945-7267

Darrin Kistler, MBA, R.T. (T), (R)
Senior Director of Radiation Oncology
Email: dkistler@kumc.edu
Phone: 913-541-4623

Amy Lam
Executive Chair Assistant, Ambulatory
Email: alam@kumc.edu
Phone: 913-588-2043

Emma Link
Dietitian, Radiation Oncology
Email: elink2@kumc.edu
Phone: 913-588-1413
Pager: 913-917-3009

Michelle Portilla
Administrative Assistant, Ambulatory
Email: mportilla@kumc.edu
Phone: 913-945-7268

Bianca Richardson
Administrative Assistant, Ambulatory
Email: brichardson6@kumc.edu
Phone: 913-588-3431

Jennifer Scanlon
Patient Financial Advisor
Email: jscanlon@kumc.edu
Phone: 913-584-0144

Breauna Stuart
Administrative Assistant, Ambulatory
Email: bstuart3@kumc.edu 
Phone: 913-588-4395

Christina Lau
Coordinator III, Ambulatory
Email: clau4@kumc.edu 
Phone: 913-945-7234