The percentage of hospitals using Cerner, another major Electronic Health Record (EHR) software provider, can vary over time and by region. As of the knowledge cutoff in September 2021, Cerner Corporation reported having a client base that included over 27,000 healthcare facilities globally. This client base consists of various healthcare organizations, including hospitals, clinics, ambulatory care centers, and specialty practices. While the specific percentage of hospitals using Cerner software may not be readily available, it is evident that Cerner has a significant presence in the healthcare industry. The adoption of Cerner software can vary by country, healthcare system, and organizational preferences. To obtain the most up-to-date information on the percentage of hospitals using Cerner software, it is recommended to consult reports and studies focused on EHR market share or contact Cerner Corporation directly. Other EHR vendors, including Epic and various regional or specialized vendors, also have substantial market shares in the healthcare industry.