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EHR market share in Arizona: Oracle Cerner runs 53% of hospital EHRs

Oracle Cerner is the inpatient EHR at 42 of the 80 Arizona hospitals with an EHR on file in the Dmand AI database, 53%. Epic follows with 10 hospitals (13%), then WellSky with 8 (10%). Counted on October 28, 2026.

Supreet Gupta, Co-founder and Chief Product Officer, Dmand AI

Updated Data: Dmand AI database

Location
Arizona
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Arizona hospitals with an inpatient EHR on file, of 128
80
run Oracle Cerner, the most common EHR in Arizona
53%
of US hospitals run Oracle Cerner, for comparison
23%
run one of the four largest EHRs in Arizona
83%

Which EHR do Arizona hospitals use?

Arizona hospitals run 9 different inpatient EHRs. The chart shows the four that run the most of them.

Oracle Cerner runs more Arizona hospitals than any other EHR

Hospitals by inpatient EHR, 80 hospitals, October 2026
  1. Oracle Cerner42
  2. Epic10
  3. WellSky8
  4. Indian Health Service6
  5. 5 other EHRs14

Source: Dmand AI database, October 28, 2026. One EHR per hospital.

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How Arizona compares with US hospitals

Arizona is number 28 of 54 states, DC and territories by hospitals with an inpatient EHR on file. The table puts the share of each of the four largest EHRs in Arizona beside its share of all 5,507 US hospitals with one.

Hospitals with an inpatient EHR on file in Arizona, by EHR, with the US share
EHRHospitalsShare in ArizonaShare in the US
Oracle Cerner4253%23%
Epic1013%38%
WellSky810%3%
Indian Health Service68%–
5 other EHRs1418%–
Hospitals with an inpatient EHR on file in Arizona, by EHR, with the US shareSource: Dmand AI database, October 28, 2026.

How we counted hospital EHR market share

Universe
Arizona hospitals with a CMS certification number in the Dmand AI database: 128 hospitals.
What counts
The inpatient EHR recorded for each hospital. 80 hospitals have one on file; the other 48 are left out of every share on this page.
One EHR each
Each hospital counts once, under one EHR. Shares are of hospitals, not of beds or revenue.
US shares
The same count for all US hospitals with an inpatient EHR on file, on the same date.
Date
Counted on October 28, 2026. Refreshed monthly; the Updated date changes only when a count changes.
What this page does not show

Counts by EHR and place only. This page never names the EHR at a single hospital; that is in the Dmand AI app, on each hospital's profile. State pages name the four largest EHRs in the state and count the rest together. Ambulatory EHRs at clinics and physician practices are not counted.

Cite this data

Suggested citation

Dmand AI. "EHR market share in Arizona." Dmand AI Insights, updated October 28, 2026. https://dmand.ai/insights/ehr-market-share/arizona

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Sources

  1. Hospital technology and inpatient EHR recordsDmand AI database
Supreet Gupta

Written by

Supreet Gupta

Co-founder and Chief Product Officer, Dmand AI

Supreet is the co-founder and Chief Product Officer of Dmand AI. He leads the product and the healthcare data behind it, and writes Selling Into Healthcare, a newsletter on how US health systems buy.

FAQ

Hospital EHR questions sales teams ask

Short answers from the same counts.

What is the most used EHR in Arizona hospitals?

Oracle Cerner. It is the inpatient EHR at 42 of the 80 Arizona hospitals with an EHR on file in the Dmand AI database, 53%, as of October 28, 2026.

Which other EHRs do Arizona hospitals use?

After Oracle Cerner, the largest are Epic with 10 hospitals (13%), WellSky with 8 (10%) and Indian Health Service with 6 (8%). In all, 9 EHRs are recorded at Arizona hospitals. The EHR at each hospital is in the Dmand AI app.

How does Arizona compare with the US?

Oracle Cerner runs 53% of Arizona hospitals with an EHR on file and 23% of all US hospitals with one. Arizona is number 28 of 54 states, DC and territories by hospitals with an EHR on file.

How often is this data updated?

Monthly. The counts come from the Dmand AI database, and the Updated date changes only when a count changes.

Hospital technology data

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