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Oracle Health (Cerner) FHIR API

cerner.com · Company

Company OAuth2 Free Tier Healthcare Life Sciences Healthcare FHIR EHR

FHIR R4 API for Oracle Health (formerly Cerner) — the second largest EHR in the US used by 27% of hospitals. SMART on FHIR compliant. Open sandbox available at fhir.cerner.com. Production access requires Oracle Health customer relationship.

Authentication

OAuth2 OAuth2 SMART on FHIR. Sandbox has a public client ID for testing. Production requires Cerner Code app registration.

Sample Requests

GET Get patient (sandbox)

Returns FHIR Patient resource. Use sandbox tenant ID ec2458f2-1e24-41c8-b71b-0e701af7583d for testing.

https://fhir-ehr-code.cerner.com/r4/{tenantId}/Patient/{patientId}

Hover any highlighted part to learn what it does

Headers — extra info sent with the request
Authorization Bearer YOUR_ACCESS_TOKEN
curl -X GET "https://fhir-ehr-code.cerner.com/r4/{tenantId}/Patient/{patientId}" \
  -H "Authorization: Bearer YOUR_ACCESS_TOKEN"
import requests
headers = {
    "Authorization": "Bearer YOUR_ACCESS_TOKEN"
}
response = requests.get(
    "https://fhir-ehr-code.cerner.com/r4/{tenantId}/Patient/{patientId}",
    headers=headers,
)
print(response.json())
const url = 'https://fhir-ehr-code.cerner.com/r4/{tenantId}/Patient/{patientId}';

const response = await fetch(url, {
  headers: {
    'Authorization': 'Bearer YOUR_ACCESS_TOKEN'
  },
}); 
const data = await response.json();
console.log(data);
package main

import (
	"fmt"
	"io"
	"net/http"
)

func main() {
	targetURL := "https://fhir-ehr-code.cerner.com/r4/{tenantId}/Patient/{patientId}"
	req, _ := http.NewRequest("GET", targetURL, nil)
	req.Header.Set("Authorization", "Bearer YOUR_ACCESS_TOKEN")

	client := &http.Client{}
	resp, _ := client.Do(req)
	defer resp.Body.Close()
	body, _ := io.ReadAll(resp.Body)
	fmt.Println(string(body))
}
require "net/http"
require "json"

uri = URI("https://fhir-ehr-code.cerner.com/r4/{tenantId}/Patient/{patientId}")

http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = uri.scheme == "https"

req = Net::HTTP::Get.new(uri)
req["Authorization"] = "Bearer YOUR_ACCESS_TOKEN"

res = http.request(req)
puts JSON.parse(res.body)
<?php
$url = "https://fhir-ehr-code.cerner.com/r4/{tenantId}/Patient/{patientId}";
$opts = ["http" => [
    "method" => "GET",
    "header" => implode("\r\n", [
        "Authorization: Bearer YOUR_ACCESS_TOKEN"
    ]),
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

Postman Setup Guide

Get Postman ↗
  1. Register a free developer account at https://code.cerner.com
  2. Sandbox tenant ID: ec2458f2-1e24-41c8-b71b-0e701af7583d
  3. Sandbox base URL: https://fhir-ehr-code.cerner.com/r4/{tenantId}
  4. Get sandbox test patient IDs from https://fhir.cerner.com/millennium/r4/individuals/patient/
  5. For production: register app at https://code.cerner.com and get customer go-live
  6. Full FHIR resource reference at https://fhir.cerner.com/millennium/r4/

What can you build with Oracle Health (Cerner) FHIR API?

Oracle Health (Cerner) FHIR API is a Company API. Developers commonly use company APIs for:

  • enriching CRM records with company firmographics
  • building lead-generation and prospecting tools
  • verifying business identity and registration details
  • monitoring competitors and market intelligence
  • powering B2B data enrichment pipelines

OAuth 2.0. OAuth lets your app act on behalf of a user. You redirect them to authorise access, receive a token, then use that token in requests. Best for accessing user-owned data. Oracle Health (Cerner) FHIR API is free to use up to a usage limit, making it a low-risk choice to experiment with.

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Open documentation ↗