Our STAFF

The staff of Northeaster Oklahoma Cancer Institute is dedicated to the total well-being of our patients. To contact any of our staff members, click on the "email" link below their biography and we will get back to you within one business day. (Please note: If you have a medical emergency, please call 911 immediately.)


Kacie Boyd, B.S. (R)(T)(CT)

Kacie Boyd, B.S. (R)(T)(CT)

Lead Therapist / Department Manager

Kacie is a passionate and talented healthcare professional with over eight years of experience. She graduated with honors from the Radiation Therapy program at Weber State University, obtaining her Bachelor of Science degree. She is certified by the American Registry of Radiologic Technologists. Kacie’s education and training, together with her penchant for detail, continue to serve, making her a highly effective Radiation Therapist. She is excited to be a part of the team at Northeastern Oklahoma Cancer Institute, bringing hope to their patients, close to home.

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Robin Mixon, R.T.(R)(T)

Robin Mixon, R.T.(R)(T)

Radiation Therapist

Robin is a certified Radiation Therapist by the American Registry of Radiologic Technologists. She graduated from Washburn University in Topeka, Kansas with a degree in Radiation Therapy. Robin has over ten years of experience as a Radiation Therapist and more than 22 years serving oncology patients.

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Jennifer Hann Fisher, MS, DABR

Jennifer Hann Fisher, MS, DABR

Physicist

Jennifer has practiced radiotherapeutic medical physics and served as a healthcare radiation safety officer for over 35 years. An Honors graduate of the Nuclear Engineering program at the University of Oklahoma, she completed her graduate studies in Medical Physics at the University of Missouri-Columbia and accepted a fellowship at Baylor College of Medicine in the Texas Medical Center in Houston, Texas. From there, she’s lived, worked, and raised her family in Indiana, Missouri, and Michigan, until finally returning to “the greatest state in America.” She’s excited to work with the radiation oncologists and team at Northeastern Oklahoma Cancer Institute.

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Leonard Berbee, BS, CMD

Leonard Berbee, BS, CMD

Dosimetrist

Leonard has over 25 years of experience in dosimetry. He passed his Certified Medical Dosimetrist (CMD) boards in 1996. He holds a Bachelor of Science degree in Physics (Math minor) from Midwestern State University, as well as an Associates of Applied Science in Electronics Technology, also from MSU. The U.S. Air Force certified Leonard as a Metrologist, an NIST-level calibration technician.

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Megan Parkinson

Megan Parkinson

Front Office Coordinator

Megan has been working in the medical field for over six years. She loves helping patients feel welcome and relaxed, while also providing knowledgeable service to the patients and their families.

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Denise Rhames

Denise Rhames

Physician Liaison

In her role, Denise is responsible for community outreach and marketing of the center, and connects
patients and physicians with the services they need. Prior to joining Northeastern Oklahoma Cancer Institute, Denise worked as a pharmaceutical sales representative for over 25 years in the Tulsa and surrounding areas. She holds a Bachelor’s degree from Northeastern State University in Business Administration/Marketing.

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Rachel Mudd

Rachel Mudd

Patient Advocate

Rachel has a Bachelor’s degree in Business Administration and Community Development, and a minor in Mathematics. She has served as a Patient Advocate for Radiation Business Solutions, our billing partner, for over two years. Rachel is dedicated to providing knowledgeable and compassionate service for patients and their families.

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