> Enrich.chat gives AI agents verified work emails and mobiles. To use it from an agent, read https://enrich.chat/agents.md . This is the Markdown version of https://enrich.chat/companies-using/open-adstream/hospitals-and-health-care/ # Hospitals and health systems using Open AdStream (AppNexus) Open AdStream (AppNexus) detected at 4% of the hospitals and health systems listed here. Who they are, what else they run and how to reach the people behind it. By Enrich.chat Editorial. Updated October 21, 2026. **Short answer:** Open AdStream (AppNexus) was detected at 4% of the hospitals and health systems listed on this site, including CVS Health, Kaiser Permanente, Providence Health & Services, AdventHealth and IQVIA Holdings. Below are who they are, the other tools they run and how big they are. ## Which hospitals and health systems use Open AdStream (AppNexus)? Open AdStream (AppNexus) was detected at 4% of the hospitals and health systems listed on this site. They include CVS Health, Kaiser Permanente, Providence Health & Services, AdventHealth and IQVIA Holdings. The table lists a selection of larger ones in alphabetical order; names link to company profiles. | Company | Size | Tools detected | | --- | --- | --- | | [AdventHealth](https://enrich.chat/company/adventhealth/) | 100,000+ | 51 | | Apria | 5,000 to 10,000 | 32 | | [Atrium Health Wake Forest Baptist](https://enrich.chat/company/atrium-health-wake-forest-baptist/) | 10,000 to 25,000 | 27 | | [Banner Health](https://enrich.chat/company/banner-health/) | 50,000 to 100,000 | 51 | | [Barchester Healthcare](https://enrich.chat/company/barchester-healthcare/) | 10,000 to 25,000 | 39 | | [BAYADA Home Health Care](https://enrich.chat/company/bayada-home-health-care/) | 25,000 to 50,000 | 58 | | [CIGNA](https://enrich.chat/company/cigna/) | 25,000 to 50,000 | 53 | | [Cleveland Clinic](https://enrich.chat/company/cleveland-clinic/) | 50,000 to 100,000 | 80 | | [Cone Health](https://enrich.chat/company/cone-health/) | 10,000 to 25,000 | 86 | | [CVS Health](https://enrich.chat/company/cvs-health/) | 100,000+ | 68 | | [Dasa](https://enrich.chat/company/dasa/) | 25,000 to 50,000 | 31 | | [Evernorth Health Services](https://enrich.chat/company/evernorth-health-services/) | 10,000 to 25,000 | 42 | | Hcor | 2,000 to 5,000 | 31 | | [IQVIA Holdings](https://enrich.chat/company/iqvia-holdings/) | 50,000 to 100,000 | 68 | | [Kaiser Permanente](https://enrich.chat/company/kaiser-permanente/) | 100,000+ | 71 | | [Mayo Clinic](https://enrich.chat/company/mayo-clinic/) | 50,000 to 100,000 | 97 | | [MercyOne](https://enrich.chat/company/mercyone/) | 10,000 to 25,000 | 27 | | Mount Carmel Health System | 5,000 to 10,000 | 39 | | NHS National Services Scotland | 2,000 to 5,000 | 27 | | [Optum](https://enrich.chat/company/optum/) | 50,000 to 100,000 | 81 | | [Piedmont](https://enrich.chat/company/piedmont/) | 10,000 to 25,000 | 42 | | Planned Parenthood Federation of America | 5,000 to 10,000 | 56 | | [Providence Health & Services](https://enrich.chat/company/providence-health-and-services/) | 100,000+ | 62 | | Southcoast Health | 5,000 to 10,000 | 19 | | [Steward Health Care](https://enrich.chat/company/steward-health-care/) | 25,000 to 50,000 | 31 | | [Texas Health Resources](https://enrich.chat/company/texas-health-resources/) | 25,000 to 50,000 | 45 | | [ThedaCare](https://enrich.chat/company/thedacare/) | 10,000 to 25,000 | 35 | | [UChicago Medicine](https://enrich.chat/company/uchicago-medicine/) | 10,000 to 25,000 | 26 | | [WakeMed](https://enrich.chat/company/wakemed/) | 10,000 to 25,000 | 36 | | Yashoda Hospitals | 2,000 to 5,000 | 23 | ## What else do hospitals and health systems that use Open AdStream (AppNexus) run? These tools stand out among them: each is detected more often here than across all the organizations listed. The tick on each bar marks that wider average. **Figure: Tools found with Open AdStream (AppNexus) at hospitals and health systems.** Bars for the share of hospitals and health systems using Open AdStream (AppNexus) where each other tool was also detected: Oracle Eloqua 32%, Formstack 27%, iCIMS 27%, MediaMath 17%, Heap Analytics 15%, Moat 15%, Sitecore 15%, SiteScout 12%. *Share of hospitals and health systems using Open AdStream (AppNexus) where each other tool was also detected. The tick marks the share across all listed organizations.* ## How big are hospitals and health systems that use Open AdStream (AppNexus)? The columns show how these hospitals and health systems spread across six size ranges. **Figure: Size of hospitals and health systems using Open AdStream (AppNexus).** Six columns for the share of hospitals and health systems using Open AdStream (AppNexus) in each size range from 2,000 to over 100,000 employees: 2-5K 34%, 5-10K 10%, 10-25K 22%, 25-50K 12%, 50-100K 12%, 100K+ 10%. *Share of hospitals and health systems using Open AdStream (AppNexus) in each size range.* ## More from Hospitals and health care and Open AdStream (AppNexus) Other tools in hospitals and health care: [Google Tag Manager](https://enrich.chat/companies-using/google-tag-manager/hospitals-and-health-care/)[Microsoft 365](https://enrich.chat/companies-using/microsoft-365/hospitals-and-health-care/)[Google Analytics](https://enrich.chat/companies-using/google-analytics/hospitals-and-health-care/)[Vimeo](https://enrich.chat/companies-using/vimeo/hospitals-and-health-care/)[YouTube](https://enrich.chat/companies-using/youtube/hospitals-and-health-care/)[Microsoft Outlook](https://enrich.chat/companies-using/microsoft-outlook/hospitals-and-health-care/)[Google Maps](https://enrich.chat/companies-using/google-maps/hospitals-and-health-care/)[WordPress (self-hosted)](https://enrich.chat/companies-using/wordpress-org/hospitals-and-health-care/)[Facebook Login](https://enrich.chat/companies-using/facebook-login/hospitals-and-health-care/)[Facebook Widget](https://enrich.chat/companies-using/facebook-widget/hospitals-and-health-care/) Other industries that use Open AdStream (AppNexus): [Information technology and services](https://enrich.chat/companies-using/open-adstream/information-technology-and-services/)[Retail](https://enrich.chat/companies-using/open-adstream/retail/)[Higher education](https://enrich.chat/companies-using/open-adstream/higher-education/)[Financial services](https://enrich.chat/companies-using/open-adstream/financial-services/) ## How do you reach the people who run Open AdStream (AppNexus) at hospitals and health systems? Open AdStream (AppNexus) is usually owned by advertising and paid media leaders. Pick an organization from the table, then ask your AI agent for them. ```text Use www.enrich.chat to find CIOs, CISOs and clinical informatics leaders at [company], with titles and verified work emails ``` ## Frequently asked questions ### Which hospitals and health systems use Open AdStream (AppNexus)? Open AdStream (AppNexus) was detected at 4% of the hospitals and health systems listed here, including CVS Health, Kaiser Permanente, Providence Health & Services, AdventHealth and IQVIA Holdings. ### What else do hospitals and health systems that use Open AdStream (AppNexus) run? They most often also run Oracle Eloqua, Formstack, iCIMS and MediaMath. ### How is Open AdStream (AppNexus) detected? From public signals: code and tags on a company's website, HTTP headers and DNS records. A detected tool shows it was seen, not what the company pays for it. ### Who should I contact? Usually advertising and paid media leaders for the tool, and CIOs, CISOs and clinical informatics leaders for the buying decision. Ask your AI agent to use www.enrich.chat to find them with verified work emails. ## Try this prompt Find the people who run Open AdStream (AppNexus) ```text Use www.enrich.chat to find CIOs, CISOs and clinical informatics leaders at [company], with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [Hospitals and health systems using Google Tag Manager](https://enrich.chat/companies-using/google-tag-manager/hospitals-and-health-care/) - [Hospitals and health systems using Microsoft 365](https://enrich.chat/companies-using/microsoft-365/hospitals-and-health-care/) - [Hospitals and health systems using Google Analytics](https://enrich.chat/companies-using/google-analytics/hospitals-and-health-care/) - [Hospitals and health systems using Vimeo](https://enrich.chat/companies-using/vimeo/hospitals-and-health-care/) - [Software and technology services companies using Open AdStream (AppNexus)](https://enrich.chat/companies-using/open-adstream/information-technology-and-services/) - [Retailers using Open AdStream (AppNexus)](https://enrich.chat/companies-using/open-adstream/retail/) - [Colleges and universities using Open AdStream (AppNexus)](https://enrich.chat/companies-using/open-adstream/higher-education/) - [Financial services firms using Open AdStream (AppNexus)](https://enrich.chat/companies-using/open-adstream/financial-services/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)