Practice Fusion

Practice Fusion is a cloud-based electronic health record (EHR) platform for independent ambulatory medical practices, serving roughly 6.4% of U.S. ambulatory practices with more than 43 million clinical records and around 5 million patient visits per month. Its developer surface centers on an ONC Certified Health IT FHIR R4 (Patient Data Sharing / PDS) API implementing US Core 6.1.0, SMART App Launch 2.0.0, and Bulk Data Access 1.0.1 over SMART-on-FHIR OAuth2, alongside proprietary bi-directional Labs and Imaging APIs and a partner marketplace of 600+ integrated companies.

Practice Fusion publishes 3 APIs on the APIs.io network. Tagged areas include Company, Healthcare, Electronic Health Records, EHR, and FHIR.

Practice Fusion’s developer surface includes authentication, documentation, API reference, getting-started guide, support, signup flow, engineering blog, and 18 more developer resources.

42.6/100 thin ▬ flat Agent 41/100 agent aware Full breakdown ↓
scored 2026-07-27 · rubric v0.5
AccessSelf serve
3 APIs 1 MCP Servers
CompanyHealthcareElectronic Health RecordsEHRFHIRInteroperabilityMedicalHealth ITSMART on FHIRClinical Data

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 42.6/100 · thin
Contract Quality 0.0 / 25
Developer Ergonomics 12.2 / 20
Commercial Clarity 10.5 / 20
Operational Transparency 2.1 / 13
Governance 0.0 / 12
Discoverability 10.0 / 10
Agent readiness — 41/100 · agent aware
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 15
MCP Server 12 / 12
Machine-Readable Auth 10 / 10
Idempotency 9 / 9
Stable Error Semantics 8 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 0 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 4 / 4
Consent & Bot Identity 0 / 3
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APIs 3

Individual APIs this provider publishes, each with its own machine-readable definition.

Practice Fusion FHIR API (Patient Data Sharing)

ONC Certified FHIR R4 (v4.0.1) API implementing US Core 6.1.0, SMART App Launch 2.0.0, and Bulk Data Access 1.0.1. Provides read and search access across 47 FHIR resource types ...

Practice Fusion Labs API

Proprietary bi-directional laboratory integration API connecting practices with 300+ independent, hospital, and health-system labs including Labcorp, Quest Diagnostics, RadNet, ...

Practice Fusion Imaging API

Proprietary bi-directional imaging integration API for order receipt and study transmission across imaging providers, supporting 100,000+ medical professionals.

MCP Servers 1

Model Context Protocol servers that expose these APIs to AI agents.

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Practice Fusion Authentication

oauth2/openIdConnect/mutualTLS · 3 schemes

SECURITY

Practice Fusion Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Scopes 1

OAuth scopes governing access to this provider's APIs.

Practice Fusion Scopes

OAuth 2.0 · no documented scopes

0 scopes

SCOPES

Resources

Get Started 3

Portal, sign-up, and the first successful call

Documentation 2

Reference material describing how the API behaves

Agent Surfaces 3

MCP servers, agent skills, and machine-readable catalogs

Design & Contract 6

Pagination, idempotency, versioning, errors, and events

Access & Security 4

Authentication, authorization, and security posture

Operate 2

Status, limits, changes, and where to get help

Commercial 3

Pricing, plans, and the legal terms of use

Company 2

The organization behind the API

Source (apis.yml)

apis.yml Raw ↑
aid: practice-fusion
name: Practice Fusion
description: Practice Fusion is a cloud-based electronic health record (EHR) platform for independent ambulatory medical practices,
  serving roughly 6.4% of U.S. ambulatory practices with more than 43 million clinical records and around 5 million patient
  visits per month. Its developer surface centers on an ONC Certified Health IT FHIR R4 (Patient Data Sharing / PDS) API implementing
  US Core 6.1.0, SMART App Launch 2.0.0, and Bulk Data Access 1.0.1 over SMART-on-FHIR OAuth2, alongside proprietary bi-directional
  Labs and Imaging APIs and a partner marketplace of 600+ integrated companies.
url: https://raw.githubusercontent.com/api-evangelist/practice-fusion/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- battery-ventures
x-tier: stub
x-tier-reason: portfolio-lead
x-enrichment:
  date: '2026-07-20'
  status: enriched
  artifacts_added: 14
  pass: local-v1
accessModel:
  pricing: unknown
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Self-serve signup
  confidence: medium
  source:
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://www.practicefusion.com/assets/img/practice-fusion-logo.png
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-20'
tags:
- Company
- Healthcare
- Electronic Health Records
- EHR
- FHIR
- Interoperability
- Medical
- Health IT
- SMART on FHIR
- Clinical Data
apis:
- name: Practice Fusion FHIR API (Patient Data Sharing)
  description: ONC Certified FHIR R4 (v4.0.1) API implementing US Core 6.1.0, SMART App Launch 2.0.0, and Bulk Data Access
    1.0.1. Provides read and search access across 47 FHIR resource types (Patient, Observation, Condition, Encounter, MedicationRequest,
    DiagnosticReport, DocumentReference, and more) via SMART-on-FHIR OAuth2 (authorization code, client credentials, refresh
    token). Provider/System access and Patient (FMH) access endpoints are provisioned per practice organization.
  humanURL: https://www.practicefusion.com/fhir/
  baseURL: https://api.practicefusion.com/fhir/r4/v1/
  properties:
  - type: Documentation
    url: https://www.practicefusion.com/fhir/api-specifications/
  - type: APIReference
    url: https://www.practicefusion.com/fhir/api-specifications/
  - type: GettingStarted
    url: https://www.practicefusion.com/fhir/get-started/
  - type: Authentication
    url: authentication/practice-fusion-authentication.yml
  - type: OAuthScopes
    url: scopes/practice-fusion-scopes.yml
  - type: WellKnown
    url: well-known/practice-fusion-well-known.yml
  - type: SmartConfiguration
    url: well-known/practice-fusion-smart-configuration.json
  - type: CapabilityStatement
    url: conformance/practice-fusion-capability-statement.json
- name: Practice Fusion Labs API
  description: Proprietary bi-directional laboratory integration API connecting practices with 300+ independent, hospital,
    and health-system labs including Labcorp, Quest Diagnostics, RadNet, SimonMed, and Rayus for lab order transmission and
    results delivery.
  humanURL: https://www.practicefusion.com/practice-fusion-apis/
  baseURL: https://www.practicefusion.com/labs-documentation/
  properties:
  - type: Documentation
    url: https://www.practicefusion.com/labs-documentation/
- name: Practice Fusion Imaging API
  description: Proprietary bi-directional imaging integration API for order receipt and study transmission across imaging
    providers, supporting 100,000+ medical professionals.
  humanURL: https://www.practicefusion.com/practice-fusion-apis/
  baseURL: https://www.practicefusion.com/imaging-documentation/
  properties:
  - type: Documentation
    url: https://www.practicefusion.com/imaging-documentation/
common:
- type: DomainSecurity
  url: security/practice-fusion-domain-security.yml
- type: Authentication
  url: authentication/practice-fusion-authentication.yml
- type: OAuthScopes
  url: scopes/practice-fusion-scopes.yml
- type: WellKnown
  url: well-known/practice-fusion-well-known.yml
- type: Conformance
  url: conformance/practice-fusion-conformance.yml
- type: Compliance
  url: https://www.practicefusion.com/onc-certified-ehr/
- type: ErrorCatalog
  url: errors/practice-fusion-problem-types.yml
- type: Lifecycle
  url: lifecycle/practice-fusion-lifecycle.yml
- type: Conventions
  url: conventions/practice-fusion-conventions.yml
- type: Idempotency
  url: conventions/practice-fusion-conventions.yml
- type: DataModel
  url: data-model/practice-fusion-data-model.yml
- type: MCPServer
  url: mcp/practice-fusion-mcp.yml
- type: LLMsTxt
  url: llms/practice-fusion-llms.txt
- type: Website
  url: https://www.practicefusion.com/
- type: DeveloperPortal
  url: https://www.practicefusion.com/fhir/
- type: Documentation
  url: https://www.practicefusion.com/fhir/api-specifications/
- type: APIReference
  url: https://www.practicefusion.com/fhir/api-specifications/
- type: GettingStarted
  url: https://www.practicefusion.com/fhir/get-started/
- type: Support
  url: https://partnersupport.practicefusion.com/s/
- type: SignUp
  url: https://pfpds.practicefusion.com/s/Registration
- type: Blog
  url: https://www.practicefusion.com/blog/
- type: Pricing
  url: https://www.practicefusion.com/pricing/
- type: StatusPage
  url: https://status.practicefusion.com/
- type: TermsOfService
  url: https://www.practicefusion.com/pages/terms-of-use.html
- type: PrivacyPolicy
  url: https://www.practicefusion.com/pages/privacy-policy.html
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io