CMS — Centers for Medicare & Medicaid Services

CMS — Centers for Medicare & Medicaid Services Geography API

The Geography API from CMS — Centers for Medicare & Medicaid Services — 1 operation(s) for geography.

Documentation GitHub OpenAPI

Documentation

https://bluebutton.cms.gov/developers/

https://bcda.cms.gov/

https://bcda.cms.gov/guide.html

https://ab2d.cms.gov/

https://ab2d.cms.gov/getting-started/

https://dpc.cms.gov/

https://dpc.cms.gov/docs

https://bfd.cms.gov/

https://developer.cms.gov/marketplace-api/

https://www.cms.gov/marketplace/resources/data/public-use-files

https://data.cms.gov/provider-data/

https://data.cms.gov/provider-data/docs

https://qpp.cms.gov/about/resource-library

https://www.cms.gov/medicare-coverage-database/reports/reports.aspx

Specifications

https://raw.githubusercontent.com/api-evangelist/cms-gov/refs/heads/main/openapi/cms-gov-geography-api-openapi.yml

Schemas & Data

https://raw.githubusercontent.com/api-evangelist/cms-gov/refs/heads/main/json-schema/cms-gov-explanation-of-benefit-schema.json

https://raw.githubusercontent.com/api-evangelist/cms-gov/refs/heads/main/json-schema/cms-gov-patient-schema.json

https://raw.githubusercontent.com/api-evangelist/cms-gov/refs/heads/main/json-schema/cms-gov-coverage-schema.json

Other Resources

https://bluebutton.cms.gov/api/v2/explorer/

https://raw.githubusercontent.com/api-evangelist/cms-gov/refs/heads/main/json-ld/cms-gov-context.jsonld

https://sandbox.bcda.cms.gov/

https://sandbox.ab2d.cms.gov/swagger-ui/

https://github.com/CMSgov/beneficiary-fhir-data

https://data.cms.gov/

https://data.cms.gov/data.json

https://data.cms.gov/provider-data/

https://github.com/CMSgov/qpp-measures-data

https://www.cms.gov/medicare-coverage-database/

OpenAPI Specification

openapi: 3.0.3
info:
  title: CMS AB2D Articles Geography API
  description: 'AB2D delivers Medicare Parts A, B, and D claims data to Part D Prescription Drug Plan

    sponsors via the HL7 FHIR Bulk Data Access specification. Asynchronous $export returns

    ExplanationOfBenefit NDJSON for all enrolled Medicare beneficiaries since 2020.

    '
  version: '2.0'
  contact:
    name: AB2D Help
    url: https://ab2d.cms.gov/
    email: ab2d@cms.hhs.gov
  license:
    name: Public Domain (U.S. Government Work)
    url: https://www.usa.gov/government-works
servers:
- url: https://api.ab2d.cms.gov/api/v2
  description: Production
- url: https://sandbox.ab2d.cms.gov/api/v2
  description: Sandbox
security:
- BearerAuth: []
tags:
- name: Geography
paths:
  /counties/by/zip/{zip}:
    get:
      summary: Get Counties by ZIP
      operationId: getCountiesByZip
      tags:
      - Geography
      parameters:
      - name: zip
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: List of counties
components:
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: AB2D uses SMART Backend Services with okta-issued JWT bearer tokens.