Dr. Kristen Riegert holds a Bachelor of Science in Biology from Pacific University in Forest Grove, OR, and a Doctor of Medicine from Oregon Health & Science University in Portland. She completed an internal medicine internship with Providence Portland Medical Center and a radiation and oncology residency with the University of Arizona in Tucson. In 2014, Dr. Riegert began working as a radiation oncologist at a Walla Walla, WA hospital. She spent the next two decades there. In 2024, she moved to Grand Junction, CO, and joined Intermountain Health.She enjoys hiking, camping, and exploring the outdoors with her sons when she is not at work. Dr. Riegert is rated as an Advanced provider by MediFind in the treatment of Prostate Cancer. Her top areas of expertise are Pleuropulmonary Blastoma, Lung Cancer, Small Cell Lung Cancer (SCLC), and Angiosarcoma.

Dr. Kyle Work joined the Cancer Centers of Colorado at St. Mary?s Medical Center oncology team in 2018. He is a hematologist-oncologist. Dr. Work treats all types of cancers with a special interest in head and neck cancer, lung cancer and genitourinary cancers.Dr. Work is originally from Tulsa, Oklahoma where he graduated from the University of Tulsa with a degree in biology, and earned his medical degree at Oklahoma State University. He then moved to Kansas City where he completed his internal medicine residency and hematology / oncology fellowship at the University of Kansas Health System. During his hematology and oncology fellowship, he served as chief fellow for two years.Dr. Work�is an investigator involved in clinical research trials in the area of hematology and medical oncology. His clinical research focus includes�head and neck cancers,�brain and lung cancers.�When he is not working, he enjoys mountain biking, camping, and hiking with his wife and golden retrievers. Dr. Work is rated as an Experienced provider by MediFind in the treatment of Prostate Cancer. His top areas of expertise are Lung Cancer, Pleuropulmonary Blastoma, Squamous Cell Lung Carcinoma, and EGFR Positive Lung Cancer.

Douglas Rock is a Radiation Oncologist in Grand Junction, Colorado. Dr. Rock is rated as a Distinguished provider by MediFind in the treatment of Prostate Cancer. His top areas of expertise are Familial Prostate Cancer, Prostate Cancer, Pleuropulmonary Blastoma, and Anal Cancer. Dr. Rock is currently accepting new patients.

Caleb Stepan is an Urologist in Grand Junction, Colorado. Dr. Stepan has been practicing medicine for over 22 years and is rated as a Distinguished provider by MediFind in the treatment of Prostate Cancer. His top areas of expertise are Prostate Cancer, Familial Prostate Cancer, Obstructive Uropathy, Ureteroscopy, and Reconstructive Urology Surgery. Dr. Stepan is currently accepting new patients.

Amir Beshai is an Urologist in Grand Junction, Colorado. Dr. Beshai is rated as a Distinguished provider by MediFind in the treatment of Prostate Cancer. His top areas of expertise are Non-Muscle Invasive Bladder Cancer, Muscle Invasive Bladder Cancer, UPJ Obstruction, Reconstructive Urology Surgery, and Nephrectomy. Dr. Beshai is currently accepting new patients.

Jack Bagley is a Radiation Oncologist in Grand Junction, Colorado. Dr. Bagley is rated as an Advanced provider by MediFind in the treatment of Prostate Cancer. His top areas of expertise are Metastatic Pleural Tumor, Head and Neck Squamous Cell Carcinoma (HNSCC), Prostate Cancer, and Familial Prostate Cancer.

Timothy Vanadurongvan is an Urologist in Grand Junction, Colorado. Dr. Vanadurongvan is rated as an Advanced provider by MediFind in the treatment of Prostate Cancer. His top areas of expertise are UPJ Obstruction, Urinary Tract Infection in Children, Kidney Stones, Ureteroscopy, and Reconstructive Urology Surgery. Dr. Vanadurongvan is currently accepting new patients.

Kurt Strom is an Urologist in Grand Junction, Colorado. Dr. Strom has been practicing medicine for over 21 years and is rated as an Advanced provider by MediFind in the treatment of Prostate Cancer. His top areas of expertise are Enlarged Prostate (BPH), Obstructive Uropathy, UPJ Obstruction, Prostatectomy, and Nephrectomy. Dr. Strom is currently accepting new patients.

Gregory Tarman is an Urologist in Grand Junction, Colorado. Dr. Tarman is rated as an Advanced provider by MediFind in the treatment of Prostate Cancer. His top areas of expertise are Enlarged Prostate (BPH), Prostate Cancer, Familial Prostate Cancer, UPJ Obstruction, and Ureteroscopy.

Yu Zhou is a Radiation Oncologist in Grand Junction, Colorado. Dr. Zhou is rated as an Experienced provider by MediFind in the treatment of Prostate Cancer. His top area of expertise is Prostate Cancer. Dr. Zhou is currently accepting new patients.

Randall Oldroyd is a Radiation Oncologist in Grand Junction, Colorado. Dr. Oldroyd has been practicing medicine for over 24 years and is rated as an Experienced provider by MediFind in the treatment of Prostate Cancer. His top areas of expertise are Breast Cancer, Angiosarcoma, Glioma, and Pleuropulmonary Blastoma. Dr. Oldroyd is currently accepting new patients.

Jonathan King is an Oncologist and a Hematologist Oncology provider in Grand Junction, Colorado. Dr. King is rated as an Experienced provider by MediFind in the treatment of Prostate Cancer. His top areas of expertise are Metastatic Pleural Tumor, Familial Pancreatic Cancer, Lung Cancer, and Pleuropulmonary Blastoma.

Jonathan Frandsen is a Radiation Oncologist in Grand Junction, Colorado. Dr. Frandsen is rated as an Experienced provider by MediFind in the treatment of Prostate Cancer. His top areas of expertise are Gliosarcoma, Breast Cancer, Familial Prostate Cancer, and Prostate Cancer.

Allan Miller is an Oncologist and a Hematologist in Grand Junction, Colorado. Dr. Miller is rated as an Experienced provider by MediFind in the treatment of Prostate Cancer. His top areas of expertise are Breast Cancer, Paget Disease of the Breast, Pleuropulmonary Blastoma, and Familial Pancreatic Cancer. Dr. Miller is currently accepting new patients.

Mark Nishiya is an Urologist in Grand Junction, Colorado. Dr. Nishiya has been practicing medicine for over 37 years and is rated as an Experienced provider by MediFind in the treatment of Prostate Cancer. His top areas of expertise are Urinary Incontinence, Stress Urinary Incontinence, Uterine Prolapse, Ureteroscopy, and Bladder Reconstruction. Dr. Nishiya is currently accepting new patients.

Todd Hegstrom is a Radiologist and an Interventional Radiologist in Grand Junction, Colorado. Dr. Hegstrom has been practicing medicine for over 43 years and is rated as an Experienced provider by MediFind in the treatment of Prostate Cancer. His top areas of expertise are Metastatic Pleural Tumor, Vaginal Cancer, Visceromegaly, and Cirrhosis.