Wyoming Cancer Support Resources

Wyoming is the least populous state in the United States — roughly 580,000 people spread across 97,000 square miles of plains, basins, and mountain ranges. That ratio of land to people produces a healthcare geography with no parallel east of the Mississippi. Wyoming has no NCI-designated cancer center within its borders and no academic medical center with a comprehensive oncology program. The most capable cancer facilities accessible to Wyoming residents are out of state: Huntsman Cancer Institute in Salt Lake City for western and central Wyoming patients, University of Colorado Cancer Center in Aurora for southern Wyoming, and Billings Clinic in Montana for northern Wyoming communities near the Montana border. For complex diagnoses, clinical trials, or procedures like bone marrow transplant and CAR-T therapy, Wyoming patients routinely travel 200 to 400 miles one way.

Wyoming Medical Center in Casper is the state’s largest hospital and most comprehensive cancer care site, serving as the practical hub for central and eastern Wyoming. Cheyenne Regional Medical Center anchors the southeast. In smaller communities — Riverton, Lander, Rock Springs, Sheridan, Cody, Gillette, and Jackson — patients often begin treatment locally at community hospitals and then travel for surgery, radiation, or specialist consultation. Wyoming’s winters close or severely degrade mountain passes for weeks at a time, turning what looks manageable on a map into a genuine logistical crisis for a cancer patient scheduled for twice-weekly radiation in Denver.

Wyoming’s Native American communities — primarily the Eastern Shoshone and Northern Arapaho Nations on the Wind River Indian Reservation in Fremont County — face cancer health disparities compounded by poverty, historical trauma, geographic isolation, and limited IHS resources. Fremont County has among the highest cancer mortality rates in the state. Wyoming also carries a legacy of uranium and trona mining that has elevated cancer incidence in certain communities, particularly in Fremont, Carbon, and Sweetwater counties. The organizations and programs listed here — from state agencies and community health workers to national nonprofits — represent the network of support that Wyoming cancer patients must often assemble themselves in the absence of a large, centralized cancer support system.

Oil and gas workers represent a significant share of Wyoming’s workforce, and the occupational health implications of decades in the energy industry are becoming clearer. Exposure to benzene, hydrogen sulfide, crystalline silica from fracking operations, and other industrial chemicals is associated with elevated cancer risk. Many energy sector workers carry employer-sponsored insurance through active employment but face coverage gaps after leaving the industry, retiring early, or aging out of working years. Energy communities in Campbell County, Sublette County, and around Rock Springs often lack the social support infrastructure that workers in more densely populated areas might access during cancer treatment.

Wyoming’s insurance landscape is challenging. The state did not expand Medicaid until 2023 — relatively late in the national Medicaid expansion timeline — meaning a generation of low-income Wyomingites went without coverage during years when early cancer detection could have mattered most. Even with expansion, coverage gaps remain, and Wyoming’s rural communities have limited primary care infrastructure to support cancer screening at the population level. Telehealth has expanded access for some services, particularly mental health support and consultations, but does not replace the need for hands-on oncology care.

Wyoming’s veteran population is served by the Cheyenne VA Medical Center and community-based outpatient clinics in Casper, Gillette, Powell, Sheridan, and other cities. Veterans whose cancer may be tied to service-related chemical exposure — Agent Orange, toxic burn pits, contaminated water, or other hazardous material exposure — should contact the VA to evaluate eligibility for covered cancer care and disability compensation. Wyoming 2-1-1 is also available statewide as a starting point to find local support services, and several national programs in this directory can provide financial and logistical assistance regardless of insurance status.

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Statewide Resources

Casper & Central Wyoming

Casper is Wyoming’s second-largest city and its most important cancer care hub. Wyoming Medical Center, the state’s largest hospital, is located here. Its cancer program offers medical oncology, chemotherapy infusion, and radiation therapy, and serves patients from a broad central Wyoming catchment area including Natrona, Converse, and Platte counties. For surgery and complex oncology, WMC patients frequently transfer to Denver or Salt Lake City. The United Way of Natrona County and community action organizations in Casper provide the best-organized social support network of any Wyoming city.

Cheyenne & Southeast Wyoming

Cheyenne is Wyoming’s capital and largest city, and its location just 100 miles north of Denver makes it the Wyoming community with the easiest access to major out-of-state cancer care. The University of Colorado Cancer Center in Aurora is approximately 100 miles from Cheyenne — roughly the distance a Connecticut patient might drive to Yale. Southeast Wyoming residents in Laramie County and Albany County (Laramie/University of Wyoming) are comparatively well-positioned for cancer care, though they still lack local comprehensive cancer services. Cheyenne Regional Medical Center serves as the regional oncology hub, with transfer arrangements to University of Colorado for complex cases.

Western Wyoming & Wind River Basin

Western Wyoming encompasses some of the most isolated communities in the lower 48 states. Jackson Hole — the wealthiest enclave in Wyoming — has virtually no local oncology, and patients there fly or drive to Salt Lake City (280 miles) or Denver (550 miles) for treatment. Rock Springs and Green River in Sweetwater County have Memorial Hospital of Sweetwater County as the local hospital, with transfers to Salt Lake City as the primary referral pathway. Evanston and Kemmerer in Uinta and Lincoln counties are 1.5 hours from Salt Lake City. The Wind River Basin (Fremont County) — home to Riverton, Lander, and the Wind River Indian Reservation — combines the challenges of rural poverty and Native American health disparities with distances of 3+ hours to either Denver or Salt Lake City.

Northern Wyoming

Northern Wyoming — Sheridan, Gillette, Buffalo, Cody, and the Bighorn Basin — sits closer to Billings, Montana than to either Denver or Salt Lake City. For many northern Wyoming cancer patients, Billings Clinic or SCL Health’s Saint Vincent Healthcare in Billings is the practical out-of-state referral center, though some patients travel south to Casper for initial evaluation. Campbell County Health in Gillette and Sheridan Memorial Hospital provide community oncology access, but both are limited to infusion and outpatient services.

Native Communities & Wind River Reservation

The Wind River Indian Reservation in Fremont County is home to the Eastern Shoshone and Northern Arapaho Nations — Wyoming’s only federally recognized tribes. The reservation spans approximately 2.2 million acres, and its residents face cancer mortality rates significantly higher than the state average, driven by poverty, limited healthcare access, historical trauma, and chronic disease prevalence. The Indian Health Service (IHS) Wind River Service Unit provides primary care on the reservation, but oncology services require referral off-reservation to Riverton, Casper, or Billings. Cultural safety and community-specific approaches to cancer support are essential in this population.

Pediatric & Young Adult Resources

Disease-Specific Resources

Additional Support Resources