COVID-19 Update: IERSurgery, values the health and safety of our patients. Read More about how we are addressing the current situation.

Our Staff


Kate Freeman

Kate Freeman RN, MSN, ACNP-BC, FNP-BC

Kate is a Nurse Practitioner who works with Dr. Bell, seeing patients in the office and assisting in surgery. She also runs the Motility Lab in the office. When not in the office, Kate enjoys anything outdoors, cycling, photography, and her girls.


Alyssa Clore PA

Alyssa comes to the practice with over a decade of experience in surgery and trauma. She assists Dr. Bell in the operating room and clinic. When she’s not at work she enjoys photography, traveling and spending time with her husband and two children.

Rachel Heidrick

Rachel Heidrick RN

Rachel is our Clinical Research Coordinator. She is in charge of the many clinical trials we have ongoing at our clinic. When not working, she enjoys skiing, hiking, and time with her family.

Janna Cook

Janna Cook

Janna is our Medical Assistant. When not working, she enjoys time with family and her church community.


Tiffanie Gerkman

Tiffanie Gerkman

Tiffanie just joined us this fall and she brings with her a contagious laugh and a bundle of energy. She has extensive experience with billing, insurance, electronic medical records and more. When not working, she enjoys time with her daughter, is a big Steelers fan (but we won’t hold that against her), basketball, hockey, sci fi books, hiking, and exploring places she has only seen in pictures.


Kalie Johnson Front Desk

Kalie joined us in 2019 and has been a delightful addition to our team.
When not working, Kalie likes camping, hiking, painting, cooking, archery, and her kitty Dia.




Sienna is our therapy dog. Dr. Bell and Kate brought her home when she was just a puppy. As you can see, she loves the snow. She has recently passed her therapy training test and is now in our office seeing patients with us. When not working, Sienna enjoys chasing rabbits and chewing on rawhide.

Contact Us

10099 Ridgegate Pkwy Suite 460, Lone Tree, CO 80124



E:[email protected]

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