Shaw Regional Cancer Center

Technical Staff

Learn more about Our Technicians by clicking on the names listed below. 

Susan Fleming Angela VanDyke 
Marisa Sheehan Krista Voytilla 
John Sweet 




 

Susan Fleming B.S., RT(T), CMD
I am the Lead Radiation Therapist and Certified Medical Dosimetrist at the Shaw Regional Cancer Center. I began my training as an EMT at Orange Coast College in 1987, and received my Bachelor’s of Science degree in Health Science Radiation Therapy at California State University at Long Beach in 1994. I did my clinical rotations at five centers; UCLA, UC Irvine, Long Beach Memorial, Hoag Hospital and Kaiser Permanente. In 1995, I also received a Massage Therapy Certification. Most recently in 2004, I completed my education for and was certified as a medical dosimetrist. I came to the Shaw Regional Cancer Center after being with a physician’s group as a radiation therapist for six years. I came to the Shaw as a traveling therapist and was so impressed that I took the permanent position.
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Marisa Sheehan, CMD
I am the Medical Dosimetrist at the Shaw Regional Cancer Center.  I began my training at Henry Ford Hospital in Detroit, and became a member of ARRT in Diagnostic Radiology in 1976, and Radiation Therapy in 1977.  I have experience in treating patients from the University of Michigan, Henry Ford, and other Detroit and Michigan hospitals, but have been a dosimetrist since 1979.  My Certified Medical Dosimetrist credential was earned in 1990 from the Medical Dosimetry Certification Board.  Dosimetrists are responsible for creating computer modeled treatment plans for Radiation Oncologists, and communicating the approved plan to the Linear Accelerator, to be utilized by the Radiation Therapists.  I work closely with the Medical Physicist in data analysis, quality assurance, and treatment planning and delivery process improvement. It is my challenge to develop the best treatment plan for each patient furthering the goals of the Shaw Regional Cancer Center.
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Marisa Sheehan
John Sweet, MS
I am the Cancer Center’s medical physicist. Certified by American Board of Radiology in Therapeutic and Diagnostic Radiological Physics, I earned undergraduate degrees in Mathematics & Statistics and Engineering Physics from Miami University and a graduate degree in Medical Physics from University of Cincinnati. I came to Vail from Cincinnati where I was also a medical physicist consultant. I have been with the cancer center since 2004. I focus on guaranteeing high quality radiation treatments to all who come the center.
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John Sweet

Angela C. Van Dyke R.T. (R) (T)
I am one of your staff Radiation Therapists at the Shaw Regional Cancer Center.  I began my training at Mesa State College in Grand Junction, and became a member of ARRT in Diagnostic Radiology in 1983.  I then attended the Community College of Denver and received my certificate in Radiation Therapy and became a member of ARRT in Radiation Therapy in 1988.  From 1988-1997 I was on staff at St. Mary’s Hospital in Grand Junction, CO as a staff Radiation Therapist.  I came to the Shaw at the opening of the center in 2001 with many years of experience.
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Krista Voytilla, Pharm.D.
I am the Oncology Pharmacist for the Shaw Regional Cancer Center.  I earned my Doctorate of Pharmacy at the University of Pittsburgh School of Pharmacy.  I completed a pharmacy practice residency at the University of Utah Hospitals and Clinics in Salt Lake City, Utah.  Upon completion, I began working on the inpatient oncology and bone marrow transplant unit.  I relocated to Eagle County in late 2005 and have been working for the Cancer Center since October of 2005.  I meet with patients and their family on support care issues such as pain, nausea and vomiting, and side effects of chemotherapy.
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Krista V
  
 

  
Colorado Cancer Specialists & Technicians at Vail Valley Medical Center
Shaw Regional Cancer Center    970-569-7429    322 Beard Creek Road    PO Box 2559 Edwards, Colorado 81632 Created by RTP, LLC