
Old Fitzsimmons Army Hospital, located in Aurora, Colorado, just east of Denver, was a significant military medical facility that played a crucial role in the region's history. Established in 1882 as the Army General Hospital, it was later renamed Fitzsimmons Army Medical Center in honor of Brigadier General William C. Fitzsimmons. The hospital served as a primary healthcare provider for military personnel and their families, particularly during World War I, World War II, and the Vietnam War. After its closure in 1996 as part of the Base Realignment and Closure (BRAC) process, the site was redeveloped into the Anschutz Medical Campus, home to the University of Colorado School of Medicine and other healthcare institutions. Today, while the original hospital buildings are no longer standing, the legacy of Fitzsimmons lives on through its contributions to medical research, education, and community health in the Denver metropolitan area.
| Characteristics | Values |
|---|---|
| Location | Aurora, Colorado (formerly Denver) |
| Coordinates | Approximately 39.7458° N, 104.8356° W |
| Current Name | Fitzsimons Army Medical Center (historical), now part of the Anschutz Medical Campus |
| Status | Decommissioned as a military hospital in 1996 |
| Current Use | Redeveloped into the University of Colorado Anschutz Medical Campus |
| Historical Significance | Served as a major U.S. Army hospital during World War II and beyond |
| Notable Features | Former hospital buildings, historic landmarks, and medical research facilities |
| Address | Originally located near Montview Boulevard and Peoria Street, Aurora, CO |
| Redevelopment Year | Redevelopment began in the early 2000s |
| Associated Institutions | University of Colorado School of Medicine, Children's Hospital Colorado |
| Land Area | Approximately 578 acres (historical Fitzsimons campus) |
| Nearest City | Aurora, Colorado (adjacent to Denver) |
| ZIP Code | 80045 (historical) |
| State | Colorado, USA |
| Country | United States |
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What You'll Learn

Historical Location
The Old Fitzsimons Army Hospital, a significant historical landmark in Denver, Colorado, was once a cornerstone of military medical care in the region. Located in Aurora, just east of Denver, the hospital was originally established in 1918 as the Fitzsimons General Hospital, named in honor of Lieutenant William T. Fitzsimons, a surgeon who died in the line of duty during World War I. The site was strategically chosen due to its proximity to Denver and its accessibility to the growing military population in the area. Over the years, the hospital expanded significantly, becoming a vital hub for medical training, research, and patient care, particularly during World War II and the Korean War.
Historically, the Old Fitzsimons Army Hospital occupied a sprawling campus that spanned over 575 acres. Its exact location is at the intersection of East Colfax Avenue and Peoria Street in Aurora, Colorado. The campus was designed to accommodate a wide range of medical services, including surgical wards, psychiatric care, and rehabilitation facilities. The hospital’s architecture reflected the early 20th-century military medical design, with red brick buildings and expansive green spaces that provided a therapeutic environment for recovering soldiers. Today, many of these original structures still stand, serving as a testament to the site’s rich history.
The hospital played a pivotal role in advancing medical science and military healthcare. During its operational years, it was at the forefront of medical innovation, particularly in the fields of trauma care, infectious disease treatment, and psychiatric medicine. Fitzsimons was also a key training ground for military medical personnel, preparing them for the challenges of battlefield medicine. Its contributions were especially notable during the polio epidemic of the mid-20th century, when the hospital became a leading center for polio research and treatment, further cementing its reputation as a medical pioneer.
In 1996, the Old Fitzsimons Army Hospital was decommissioned as part of the Base Realignment and Closure (BRAC) process, marking the end of its era as a military medical facility. However, its legacy lives on through the redevelopment of the site into the Anschutz Medical Campus, home to the University of Colorado School of Medicine and other healthcare institutions. This transformation preserved the historical significance of the location while adapting it to meet modern medical and educational needs. Visitors today can still explore parts of the original campus, which serves as a bridge between the past and present of medical care in Colorado.
For those interested in exploring this historical location, the Old Fitzsimons Army Hospital site is easily accessible from Denver via major highways, including Interstate 70 and Interstate 225. Guided tours and historical markers provide insights into the hospital’s storied past, making it a must-visit destination for history enthusiasts and medical professionals alike. The site’s enduring impact on military medicine and its seamless transition into a modern medical hub highlight its importance as a historical location in Denver’s cultural and scientific heritage.
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Current Site Usage
The former site of the Old Fitzsimons Army Hospital in Denver, Colorado, has undergone significant transformation since its military days. Today, the area is a thriving hub of medical research, education, and healthcare services, known as the Fitzsimons Innovation Community or Fitzsimons Redevelopment. This expansive campus is a prime example of successful urban redevelopment, blending historical preservation with modern innovation.
Another key component of the site’s current usage is the Fitzsimons Innovation Community, which fosters collaboration between academia, industry, and government to drive biomedical innovation. This community includes research facilities, biotech startups, and corporate offices focused on developing new therapies, medical devices, and healthcare technologies. The Bioscience Park Center, for instance, is a prominent feature, offering state-of-the-art lab and office space for emerging companies in the bioscience sector. This ecosystem of innovation positions the site as a critical player in advancing global healthcare solutions.
In addition to medical and research facilities, the site also incorporates residential and retail spaces, creating a mixed-use environment that supports the needs of students, employees, and visitors. The Fitzsimons Redevelopment includes housing options, restaurants, shops, and recreational areas, fostering a vibrant, self-sustaining community. The 18th Avenue Plaza, for example, is a central gathering space that hosts events and provides amenities for residents and workers alike.
Historically significant buildings from the Old Fitzsimons Army Hospital era have been thoughtfully preserved and repurposed. Structures like the Officers’ Club and the Chapel have been renovated to serve new functions, such as administrative offices and community spaces, while maintaining their architectural integrity. These efforts ensure that the site’s rich history is honored alongside its modern developments.
Overall, the current site usage of the Old Fitzsimons Army Hospital reflects a dynamic blend of education, healthcare, research, and community living. It stands as a testament to adaptive reuse and forward-thinking urban planning, transforming a once-military installation into a cornerstone of medical innovation and public service in Denver.
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Architectural Remains
The Old Fitzsimons Army Hospital, located in Aurora, Colorado, just east of Denver, holds a significant place in both medical and architectural history. Once a sprawling military medical complex, the site has undergone substantial transformation, yet remnants of its architectural grandeur remain. The hospital, originally established in 1918, was a cornerstone of military healthcare, serving soldiers through both World Wars, the Korean War, and the Vietnam War. Today, while much of the original campus has been redeveloped into the Anschutz Medical Campus and the Fitzsimons Innovation Community, several architectural remains still stand as testaments to its storied past.
One of the most prominent architectural remains is the Officers' Club, a stately brick building that once served as a social hub for military personnel. Its design reflects the early 20th-century Georgian Revival style, characterized by symmetrical facades, columns, and a sense of formal elegance. The building’s exterior, though weathered, retains its original charm, with intricate brickwork and a portico that hints at its former grandeur. Efforts to preserve this structure highlight its historical and architectural significance, offering a glimpse into the daily lives of those who served and worked at Fitzsimons.
Another notable remnant is the Nurses' Quarters, a multi-story brick building that housed the hospital’s nursing staff. Its utilitarian design, typical of early 20th-century institutional architecture, features repetitive window patterns and a straightforward layout optimized for functionality. Despite its simplicity, the building’s scale and materiality make it a striking example of period construction. Preservationists have identified it as a key structure for understanding the hospital’s role in training and housing medical personnel during its operational years.
The hospital’s original administration building also remains, though repurposed for modern use. This structure, with its imposing presence and classical architectural elements, once served as the administrative heart of the complex. Its grand entrance, flanked by columns, and its symmetrical design are hallmarks of federal architecture of the era. While the interior has been updated to accommodate contemporary needs, the exterior remains largely unchanged, preserving its historical integrity.
Scattered throughout the redeveloped campus are additional architectural fragments, such as the bases of former barracks and the remnants of perimeter walls. These remnants, though less intact, provide valuable insights into the hospital’s layout and scale. They serve as physical markers of the site’s evolution, bridging its military past with its current role as a hub for medical education and innovation.
Preservation efforts at the Old Fitzsimons Army Hospital focus not only on individual buildings but also on the spatial relationships between them. The site’s original grid-like layout, designed for efficiency and order, is still discernible in the arrangement of remaining structures. This spatial coherence underscores the hospital’s historical significance as a model military medical facility. By safeguarding these architectural remains, stakeholders aim to honor the legacy of Fitzsimons while integrating its history into the fabric of the modern campus.
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Nearby Landmarks
The Old Fitzsimons Army Hospital, now part of the Anschutz Medical Campus, is located in Aurora, Colorado, just east of Denver. Its strategic position places it near several notable landmarks that offer historical, cultural, and recreational value. One of the most prominent nearby landmarks is the Fitzsimons Innovation Community, a redeveloped area that once housed the decommissioned Fitzsimons Army Medical Center. This community now includes research facilities, educational institutions, and residential spaces, blending history with modern innovation. Visitors can explore the area to understand its transformation from a military hospital to a hub of medical and scientific advancement.
Just a short drive from the Old Fitzsimons Army Hospital is Buckley Space Force Base, a key military installation that continues to play a significant role in national defense. While access to the base is restricted, its presence adds to the historical and military context of the region. Nearby, the Aurora History Museum offers a deeper dive into the local heritage, including exhibits that highlight the area's military history and its impact on the community. This museum is an excellent stop for those interested in the broader story of Aurora and its connection to the hospital.
For nature enthusiasts, Sand Creek Park is a nearby landmark that provides a peaceful escape. This expansive park features walking trails, picnic areas, and open spaces, making it an ideal spot for relaxation and outdoor activities. Its proximity to the hospital area allows visitors to combine historical exploration with a refreshing natural experience. Additionally, the Colfax Avenue corridor, known for its vibrant culture and historic significance, is just a few miles away. This iconic street offers a variety of dining, shopping, and entertainment options, reflecting the diverse character of the Denver-Aurora metropolitan area.
Another notable landmark is the University of Colorado Anschutz Medical Campus, which now occupies much of the former Fitzsimons Army Medical Center grounds. This world-class medical and academic institution is a testament to the area's ongoing legacy in healthcare and education. Visitors can explore the campus to see how the site has evolved while retaining its historical significance. Nearby, the Aurora Town Center provides a modern contrast, offering shopping, dining, and entertainment options for those looking to unwind after exploring the historical and educational sites.
Lastly, the Wings Over the Rockies Air and Space Museum is a short drive away in Denver. While not directly adjacent to the Old Fitzsimons Army Hospital, this museum complements the area's military history by showcasing aviation and space exhibits. It’s a great addition to any itinerary focused on the region's historical landmarks. Together, these nearby landmarks create a rich tapestry of history, innovation, and recreation, making the area around the Old Fitzsimons Army Hospital a fascinating destination for visitors.
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Historical Significance
The Old Fitzsimons Army Hospital, located in Aurora, Colorado, just east of Denver, holds profound historical significance as a cornerstone of military medicine and healthcare innovation in the United States. Established in 1918 as a response to the influenza pandemic and the needs of World War I veterans, the hospital quickly became a vital institution for treating wounded soldiers and advancing medical research. Its strategic location near Denver allowed it to serve as a central hub for military healthcare in the western United States, cementing its role in the nation’s defense infrastructure.
During World War II, Fitzsimons Army Hospital expanded significantly to accommodate the influx of injured servicemen and women. It became a leader in orthopedic surgery, physical therapy, and rehabilitation, pioneering techniques that improved patient outcomes and set new standards in military medicine. The hospital’s contributions during this period were instrumental in saving lives and restoring the health of thousands of soldiers, earning it a reputation as a premier military medical facility. Its historical significance is further underscored by its role in training medical personnel, many of whom went on to shape the future of healthcare both in the military and civilian sectors.
The Cold War era marked another critical phase in the hospital’s history, as it adapted to the evolving needs of the military. Fitzsimons became a center for research on the effects of radiation, chemical warfare, and other emerging threats, contributing to national security efforts. Additionally, it played a key role in the development of preventive medicine and public health initiatives, reflecting its broader impact beyond direct patient care. This period solidified its legacy as a hub for medical innovation and preparedness.
In 1996, Fitzsimons Army Hospital closed as part of the Base Realignment and Closure (BRAC) process, but its historical significance endures through its transformation into the Anschutz Medical Campus of the University of Colorado. This redevelopment preserved the site’s legacy while repurposing it for modern medical education and research. The campus now houses cutting-edge facilities, honoring the hospital’s tradition of advancing healthcare. The original buildings, including the historic Officers’ Club and Nurses’ Quarters, serve as reminders of its military past and its contributions to medicine.
The Old Fitzsimons Army Hospital’s historical significance is also evident in its cultural and community impact. It was not just a medical facility but a place where soldiers found hope and healing, and where families sought solace during times of war. Its story is intertwined with the broader narrative of American resilience and innovation, making it a symbol of dedication to service and progress. Today, the site stands as a testament to the enduring legacy of those who served and healed within its walls, offering a bridge between the past and the future of healthcare.
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Frequently asked questions
Old Fitzsimmons Army Hospital, now known as the Fitzsimons Army Medical Center, was historically located in Aurora, Colorado, which is adjacent to Denver. The site is now part of the Anschutz Medical Campus.
No, Old Fitzsimmons Army Hospital is no longer operational as a military hospital. It closed in 1996, and the site has since been redeveloped into the University of Colorado Anschutz Medical Campus and the Fitzsimons Innovation Community.
While the original hospital buildings are no longer accessible as they once were, the site is now part of a public medical and research campus. Visitors can explore the Anschutz Medical Campus, but access to specific historical areas may be restricted.






















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