California’s Leading Health Data Utility
Delivering real-time data that powers healthcare transformation

As the largest nonprofit health data network in California, Manifest MedEx (MX) is an integral part of the state’s health data infrastructure, combining and delivering crucial health information for more than 32 million Californians across every county throughout the state.


CA Healthcare organizations




health plans

32 Million


MX is taking bold steps toward healthcare transformation, working with partners on the local and state level to address health equity challenges, support population health management initiatives, and achieve CalAIM and Data Exchange Framework (DxF) goals to improve efficiency and patient outcomes and enable whole person care.

Health Plans

Participate alongside California’s leading health plans in using data to care for millions of members. With the MX network, health plans can improve efficiency and member experience with faster, more informed care coordination, identify and resolve care gaps, manage population health, and streamline HEDIS reporting with NCQA-validated data.


Join more than 125 participating California hospitals on the network today. With immediate access to real-time notifications, longitudinal health records, and valuable insights on usage and leakage patterns, MX helps hospitals reduce readmissions, improve care coordination, efficiently manage networks, and easily meet new CMS ADT requirements.


Succeed in value-based care with a powerful data connection across the state. Longitudinal and real-time MX data delivered straight to more than 1,800 ambulatory providers helps clinicians save time, succeed in risk-based contracts, and provide coordinated, person-centered care to patients.

Counties and Public Health

Achieve whole person care and community health goals with MX’s real-time alerts, longitudinal patient records including SDOH data, and comprehensive analytics that can be used to identify and target high risk populations so that those most vulnerable get the care they need, when they need it.

Why Manifest MedEx?

We go beyond just the delivery of reliable and accurate health data to ensure that the information is ready to bring value to your clinicians and patients. Explore the suite of MX solutions available to every participant, which includes direct data feeds and access to our applications.

MX Notify

Receive real-time hospital admit, discharge, and transfer (ADT) information on your patients when they need help the most. Through flexible integrations with more than 70+ EMR and other technology systems, MX Notify conveniently brings one of the most powerful health data tools to your teams.


Explore MX Notify

MX Access

View detailed longitudinal health records for your patients, including recent encounters, allergies, medications, lab results, vaccination status, COVID status, and others — all from the largest health data network in California.


Explore MX Access

MX Analyze

Utilize powerful public health and population risk management tools that turn MX data into actionable insights. Easy-to-use analytics help you to understand more about your patient population, identify your highest risk segments to target for interventions, and succeed in risk-based contracts.


Explore MX Analyze

News and Case Studies

Inter Valley Health Plan Uses Manifest MedEx To Access Longitudinal Patient Records and Streamline Concurrent Review

As a non-profit Medicare Advantage organization, Inter Valley Health Plan (IVHP) has been serving members throughout the Los Angeles, San Bernardino, Riverside, and Orange counties since 1979. IVHP’s mission is to provide exceptional health coverage by providing high-touch care to its member population, which includes health education and wellness programs for the community and dedicated…

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Lack of Data-Sharing Continues To Hinder Healthcare’s Progress

We know the right healthcare data, used meaningfully, can ensure patients receive the right care at the right time, help avoid unnecessary duplication of services, and prevent medical errors. Data can also help lower readmission rates and, as a result, healthcare spending. Despite this evidence for powerful outcomes, communities are often stuck at the first…

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“Achieving Equity, Coordination, and Care – It All Starts With Data” Webinar Recap

COVID-19 has highlighted the deep disparities in health and health access plaguing our communities. It has also underscored that data gaps perpetuate inequities and block progress. Improving health equity requires quicker insights and better data. To address these issues, and succeed in California’s bold Medicaid transformation plans, Manifest MedEx hosted a discussion that emphasized the…

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Manifest MedEx and Anthem Blue Cross Partner to Improve Care Coordination, Streamline In-Patient Utilization Management Review, and Provide a Seamless Member Experience

Health plans increasingly rely on a broad scope of clinical data to help improve care transitions, identify and address gaps in preventive care to improve quality, and provide more seamless and personalized care for their members. Anthem BlueCross (Anthem), California’s second largest health plan serving more than 8 million members, and Manifest MedEx (MX), California’s…

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Op-Ed: California Needs Clinical Data To See the Most Vulnerable

Accessing health care in California can be a hurdle in itself. For our low-income, unhoused and vulnerable citizens, many of whom make up the 14 million Californians enrolled in Medi-Cal, finding and returning regularly to a usual source of care can be challenging. In my region of Riverside and San Bernardino counties, about 30% of our population…

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Improving Public Health and Communicable Disease Control With Health Information Exchange

How the largest county in the U.S. launched an innovative prevention effort using ADT alerts and longitudinal patient records to coordinate care for vulnerable pregnant women The San Bernardino County Department of Public Health (SBCDPH) works in partnership with their communities to promote and improve health, wellness, safety, and quality of life in San Bernardino…

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Health Plan of San Joaquin Drives California’s Mission to Vaccinate Vulnerable Populations

As California’s Covid-19 vaccination distribution began, a leading Medi-Cal health plan focused on innovation and strategy to support its highest-risk and underserved members Located in the heart of California’s multicultural Central Valley, Health Plan of San Joaquin (HPSJ) is the leading Medi-Cal managed care provider in the region, serving over 91 percent of Medi-Cal recipients…

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California’s Data Exchange Framework Released

On July 5th, the California Health and Human Services Agency (CalHHS) released the final Data Exchange Framework, associated Data Sharing Agreement (DSA), and the initial set of Policies and Procedures (P&Ps). This is the culmination of over nine months of stakeholder discussions and recommendations to CalHHS, including consistent input from MX, that we have chronicled through our News…

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Community Medical Centers Partners With Manifest MedEx To Improve Care Transitions

Community Medical Centers (CMC) is a Federally Qualified Health Center and certified Primary Care Medical Home (PCMH) with locations in San Joaquin, Solano, and Yolo counties. CMC clinics serve the safety net population, and most of CMC’s more than 100,000 patients are insured through Medicare, Medi-Cal, or the Health Plan of San Joaquin (HPSJ). CMC…

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“Learning from Inland Empire: A Roadmap for Healthcare Transformation in CA” Webinar Recap

With all eyes on CalAIM and California’s pressing public health and health equity challenges, Manifest MedEx facilitated a discussion on how Inland Empire Health Plan (IEHP) and other Inland Empire stakeholders are preparing to seize this opportunity for healthcare transformation, where there is near-universal data sharing among hospitals throughout the region. This enlightening conversation was…

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Our Network

Join more than 1800+ California healthcare organizations, including over 125 hospitals, 12 health plans, and results from LabCorp, Quest, and Radnet.

Ready to learn more about Manifest MedEx?

We are California’s largest nonprofit health data network — actively monitoring, delivering and integrating patient data in or near real-time across a diverse network of data contributors — to provide healthcare organizations with the information they need to improve care, enhance health, and lower costs.