Epic logoEpic ShareEpic ResearchMyChart

Epic Cosmos

A Universe of Data that Drives Evidence-Based Research and Individualized Patient Care

What is Cosmos?

The Cosmos data set is unlike any other used in health research today. Cosmos combines billions of clinical data points in a way that forms a high quality, representative, and integrated data set that can be used to change the health and lives of people everywhere.

184 Million
7 Billion
3.5 Billion
Face-to-Face Visits

Key Benefits

The largest integrated database of clinical information in the United States

Cosmos has records from over 184 million patient records from over 7 billion encounters, representing patients in all 50 states.

Query millions of patients in minutes

Cosmos is built on a data platform optimized to answer clinical questions over time in minutes. Clinicians and other scholarly explorers at organizations using Cosmos can ask questions on-demand without needing to put a request in for data.

Data that looks like the United States

Because Cosmos is built by health systems from across the country, it aligns closely to population metrics of the United States Census. Cosmos has a representative sample of patients across all races, sexes, ages, rural-urban locations, and types of insurance.

Longitudinal charts across inpatient, outpatient, every patient

Epic integrates both inpatient and outpatient charts into a single record, including all clinical specialties to form a more comprehensive and detailed picture of a patient’s health. For example, a cancer patient’s record contains detailed oncology visits, cancer staging, advanced lab results, hospitalizations, and standard outpatient visits.

Data sets from labs, meds, social determinants, patient-entered data

Cosmos goes well beyond diagnoses and medications found on claims transactions, and includes patient-generated health data (PGHD), birth records, vitals, and social determinants like transportation and financial security assessments.

The Cosmos Data Set is Representative of US Census for Age, Race, Ethnicity, and Coverage





Social Vulnerability Index

Harnessing the Power of Cosmos

The Epic Community has already seen great success using the universe of Cosmos data for research and are continuing to expand the impact of this unique data set.

Academic Research

Cosmos is the data source for studies in academic journals. These include:

A study on neonatal hospitalizations and readmissions, published in Pediatrics
Findings on antibiotic prescribing and testing practices in NEJM Catalyst
Insights on COVID reinfections as seen in CDC’s Morbidity and Mortality Weekly Report
Diabetic patient outcomes during the COVID pandemic in Diabetes Care
A study on COVID immunization and disease burden for patients with alcohol use disorder in the Journal of Addiction Research and Adolescent Behaviour
A study investigating the link between COVID-19 and type 1 diabetes in Diabetes
Racial and ethnic differences in early diagnosis of autism spectrum disorder in JAMA Network Open
Racial and ethnic disparities in the prescription of Nirmatrelvir (Paxlovid) for COVID-19 in Journal of General Internal Medicine

Epic Research

While traditional research continues to serve as a primary source of information to inform clinical practice, we identified a need for a new kind of analysis focused on getting good data out quickly to clinicians and decision-makers where it can make a difference. To address this need, we launched Epic Research. Using our dual-team process, Epic Research teams evaluate timely, topical, and relevant questions, and make findings available to the public at no-cost at EpicResearch.org and to Epic Research subscribers.

Several Epic Research briefs have gained media and policymaker attention, such as:

COVID-19 weekly volumes for preventive cancer screenings for breast, colon, and cervical cancer are 86%-94% lower than 2017-2019 historical averages.

As seen in:
White HouseTime

In patients known to be fully vaccinated for COVID-19, breakthrough infections and hospitalizations remain rare; highest in the most vulnerable.

As seen in:
CDCWall Street Journal

Healthcare visits for firearm injuries increased significantly for all patients in 2020, particularly for non-White populations.

As seen in:
AxiosWisconsin State Journal

Hospital admissions related to eating disorders are up 25% in patients 12-18 years old.

As seen in:

Bringing Insights to Point-of-Care

The vision for Cosmos has always included a way for providers to make an immediate impact with their patients. With our ongoing development of Best Care for My Patient and Look-Alikes, providers will be able to use attributes from the patient in front of them to review real-time insights they can use alongside their own expertise and experience to partner with their patient on shared decision-making.

Keeping Cosmos Safe

Rules of the Road

Participating organizations agree to a legal structure that establishes shared trust.

  • Data can’t be sold. And data never leaves the secure Cosmos portal.
  • Data can’t be used for advertising or market comparisons.
  • Violation can result in permanent loss of access.
Data De-identification

Patient identifiers are removed before data moves from a healthcare organization.

  • Data protection goes beyond HIPAA regulations.
  • No Cosmos users access data without attesting to their use and funding source.
  • End-users can only access fully de-identified data, with all actions audited.
Patient Privacy

From the start, no unique patient identifiers (names, phone numbers, etc) are sent or stored in Cosmos. Additionally, Cosmos is architected to allow each organization the ability to design their own local patient opt out policies that meet their communities' specific rules and regulations.

Request Cosmos Access

Let us know a bit about you and we'll connect you with the best person to get you started using Cosmos.

Select Your Organization

Participating Organizations

196 Epic organizations and counting are contributing to the Cosmos data set

Copyright © Epic Systems Corporation 2022-2023. All rights reserved.
This page is not viewable using Internet Explorer. Please try accessing it with an alternate browser.