Devoted Health

Devoted Health is a Medicare Advantage health insurance company that operates its own health plans, clinical care, and pharmacy for older Americans. For developers, Devoted publishes CMS Interoperability (21st Century Cures Act) FHIR R4 (4.0.1) APIs: a member-authorized Patient Access API exposing claims, clinical, and coverage data (Patient, Condition, Encounter, Medication, ExplanationOfBenefit), and public Provider Directory, Pharmacy Directory, and Drug Formulary APIs (Practitioner, Organization, Location, HealthcareService, InsurancePlan, MedicationKnowledge, List). Access uses OAuth 2.0 / OpenID Connect with SMART-on-FHIR authorization; third-party member-facing apps register for a Client ID and Secret through Devoted's interoperability team.

Devoted Health publishes 2 APIs on the APIs.io network: Patient Access API and Provider Directory & Formulary API. Tagged areas include Company, Healthcare, Health Insurance, Medicare Advantage, and FHIR.

Devoted Health’s developer surface includes documentation, API reference, signup flow, support, engineering blog, authentication, and 18 more developer resources.

🌐 Visit website 📡 Source on GitHub
34.9/100 thin Agent 55/100 agent ready Full breakdown ↓
scored 2026-07-20 · rubric v0.4
2 APIs 1 MCP Servers 0 Features
CompanyHealthcareHealth InsuranceMedicare AdvantageFHIRInteroperabilityPatient AccessProvider DirectoryDrug FormularyCMSHL7SMART on FHIR

API Rating

API Evangelist API Evangelist Rating How this is scored →
scored 2026-07-20 · rubric v0.4
Composite quality — 34.9/100 · thin
Contract Quality 7.5 / 25
Developer Ergonomics 11.3 / 20
Commercial Clarity 6.8 / 20
Operational Transparency 0.0 / 13
Governance 0.0 / 12
Discoverability 9.3 / 10
Agent readiness — 55/100 · agent ready
Machine-Readable Contract 18 / 18
Agentic Access Contract 0 / 15
MCP Server 12 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 8 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 0 / 7
Typed Event Surface 0 / 6
Agent Skills 5 / 5
Well-Known Catalog 4 / 4
Consent & Bot Identity 0 / 3
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/devoted-health: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs

Devoted Health Patient Access API

Member-authorized CMS Patient Access FHIR R4 API exposing a member's claims, clinical, coverage, and medication data after OAuth 2.0 / SMART-on-FHIR consent. Resources: Patient,...

Devoted Health Provider Directory & Formulary API

Public (non-member) FHIR R4 API for Devoted's provider and pharmacy directory and drug formulary data. Resources: Practitioner, PractitionerRole, Organization, OrganizationAffil...

MCP Servers

devoted-health-mcp.yml

MCP SERVER

Resources

Get Started 2

Portal, sign-up, and the first successful call

DeveloperPortal
DeveloperPortal
 SignUp
SignUp

Documentation 2

Reference material describing how the API behaves

Documentation
Documentation
 APIReference
APIReference

Agent Surfaces 4

MCP servers, agent skills, and machine-readable catalogs

WellKnown
WellKnown
 MCPServer
MCPServer
 LLMsTxt
LLMsTxt
 AgentSkill
AgentSkill

Design & Contract 5

Pagination, idempotency, versioning, errors, and events

Conformance
Conformance
 ErrorCatalog
ErrorCatalog
 Lifecycle
Lifecycle
 Conventions
Conventions
 DataModel
DataModel

Access & Security 3

Authentication, authorization, and security posture

Authentication
Authentication
 OAuthScopes
OAuthScopes
 DomainSecurity
DomainSecurity

Operate 1

Status, limits, changes, and where to get help

Support
Support

Commercial 2

Pricing, plans, and the legal terms of use

PrivacyPolicy
PrivacyPolicy
 TermsOfService
TermsOfService

Company 2

The organization behind the API

Website
Website
 Blog
Blog

Other 3

Properties that don't map to a standard resource type

OpenIDConnect
OpenIDConnect
 Overlay
Overlay
 Overlay
Overlay

Source (apis.yml)

apis.yml Raw ↑ 
aid: devoted-health
name: Devoted Health
description: 'Devoted Health is a Medicare Advantage health insurance company that operates its own health plans, clinical
  care, and pharmacy for older Americans. For developers, Devoted publishes CMS Interoperability (21st Century Cures Act)
  FHIR R4 (4.0.1) APIs: a member-authorized Patient Access API exposing claims, clinical, and coverage data (Patient, Condition,
  Encounter, Medication, ExplanationOfBenefit), and public Provider Directory, Pharmacy Directory, and Drug Formulary APIs
  (Practitioner, Organization, Location, HealthcareService, InsurancePlan, MedicationKnowledge, List). Access uses OAuth 2.0
  / OpenID Connect with SMART-on-FHIR authorization; third-party member-facing apps register for a Client ID and Secret through
  Devoted''s interoperability team.'
image: https://www.devoted.com/wp-content/uploads/2021/03/devoted-health-logo.png
x-type: company
x-source: vc-portfolio
x-backed-by:
- a16z
- gv
- iconiq-capital
- softbank-vision-fund
x-tier: profile
x-tier-reason: enriched-fhir-developer-surface
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-18'
tags:
- Company
- Healthcare
- Health Insurance
- Medicare Advantage
- FHIR
- Interoperability
- Patient Access
- Provider Directory
- Drug Formulary
- CMS
- HL7
- SMART on FHIR
apis:
- name: Devoted Health Patient Access API
  description: 'Member-authorized CMS Patient Access FHIR R4 API exposing a member''s claims, clinical, coverage, and medication
    data after OAuth 2.0 / SMART-on-FHIR consent. Resources: Patient, Condition, Encounter, Medication, and ExplanationOfBenefit.'
  humanURL: https://www.devoted.com/developers/
  baseURL: https://api.prod.devoted.com/fhir
  tags:
  - FHIR
  - Patient Access
  - Claims
  - SMART on FHIR
  properties:
  - type: OpenAPI
    url: openapi/devoted-health-patient-access-openapi-original.json
  - type: CapabilityStatement
    url: conformance/devoted-health-patient-access-capabilitystatement.json
  - type: APIReference
    url: https://devoted.com/developers/fhir/swagger/
- name: Devoted Health Provider Directory & Formulary API
  description: 'Public (non-member) FHIR R4 API for Devoted''s provider and pharmacy directory and drug formulary data. Resources:
    Practitioner, PractitionerRole, Organization, OrganizationAffiliation, Location, HealthcareService, InsurancePlan, MedicationKnowledge,
    and List. Served by a HAPI FHIR 6.6.0 server.'
  humanURL: https://www.devoted.com/developers/
  baseURL: https://fhir.devoted.com/fhir
  tags:
  - FHIR
  - Provider Directory
  - Pharmacy Directory
  - Drug Formulary
  properties:
  - type: OpenAPI
    url: openapi/devoted-health-provider-directory-openapi-original.yml
  - type: CapabilityStatement
    url: conformance/devoted-health-provider-directory-capabilitystatement.json
  - type: APIReference
    url: https://fhir.devoted.com
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://devoted.com
- type: DeveloperPortal
  url: https://www.devoted.com/developers/
- type: Documentation
  url: https://www.devoted.com/developers/
- type: APIReference
  url: https://devoted.com/developers/fhir/swagger/
- type: SignUp
  url: https://forms.gle/UFYvckiAeEjWP49K9
- type: Support
  url: mailto:interop@devoted.com
- type: Blog
  url: https://www.devoted.com/newsroom/
- type: PrivacyPolicy
  url: https://www.devoted.com/privacy-policy/
- type: TermsOfService
  url: https://www.devoted.com/terms-of-use/
- type: Authentication
  url: authentication/devoted-health-authentication.yml
- type: OAuthScopes
  url: scopes/devoted-health-scopes.yml
- type: OpenIDConnect
  url: well-known/devoted-health-openid-configuration.json
- type: WellKnown
  url: well-known/devoted-health-well-known.yml
- type: Conformance
  url: conformance/devoted-health-conformance.yml
- type: ErrorCatalog
  url: errors/devoted-health-problem-types.yml
- type: Lifecycle
  url: lifecycle/devoted-health-lifecycle.yml
- type: Conventions
  url: conventions/devoted-health-conventions.yml
- type: DataModel
  url: data-model/devoted-health-data-model.yml
- type: MCPServer
  url: mcp/devoted-health-mcp.yml
- type: LLMsTxt
  url: llms/devoted-health-llms.txt
- type: AgentSkill
  url: skills/_index.yml
- type: Overlay
  url: overlays/devoted-health-patient-access-overlay.yaml
- type: Overlay
  url: overlays/devoted-health-provider-directory-overlay.yaml
- type: DomainSecurity
  url: security/devoted-health-domain-security.yml
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence