Aspirus provides a comprehensive range of health and medical services to residents in a 14-county region of central and northern Wisconsin, as well as Michigan's Upper Peninsula. The health system operates the Aspirus Wausau Hospital, a 320-bed multi-specialty regional health center, and five smaller community hospitals. It also owns and operates the Aspirus Wausau Family Medicine residency program sponsored by the University of Wisconsin School of Medicine and Public Health. Its hospitals and network of community clinics provide specialized, primary, and emergency care. Aspirus also operates imaging centers, hospice services, home health care, long-term care facilities, and an outpatient dialysis center.
In 2012 Aspirus acquired the Wausau Family Medicine Residency Clinic from the University of Wisconsin School of Medicine and Publich Health and renamed it Aspirus Wausau Family Medicine the assumed operational accountability for the clinical practice. The residency program is accredited to train both osteopathic and allopathic (DO and MD) physicians and is sponsored by UW SMPH, which also provides educational oversight.