42 CFR § 431.70 - Access to published provider directory information.

---
identifier: "/us/cfr/t42/s431.70"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "42 CFR § 431.70 - Access to published provider directory information."
title_number: 42
title_name: "Public Health"
section_number: "431.70"
section_name: "Access to published provider directory information."
chapter_name: "CENTERS FOR MEDICARE & MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "C"
subchapter_name: "MEDICAL ASSISTANCE PROGRAMS"
part_number: "431"
part_name: "STATE ORGANIZATION AND GENERAL ADMINISTRATION"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 1302."
regulatory_source: "43 FR 45188, Sept. 29, 1978, unless otherwise noted."
cfr_part: "431"
---


# 431.70 Access to published provider directory information.

(a) The State must implement and maintain a publicly accessible, standards-based Application Programming Interface (API) that is conformant with the technical requirements at § 431.60(c), excluding the security protocols related to user authentication and authorization and any other protocols that restrict the availability of this information to particular persons or organizations, the documentation requirements at § 431.60(d), and is accessible via a public-facing digital endpoint on the State's website.

(b) The API must provide a complete and accurate directory of—

(1) The State's provider directory information specified in section 1902(a)(83) of the Act, updated no later than 30 calendar days after the State receives provider directory information or updates to provider directory information.

(2) [Reserved]

(c) This section is applicable beginning January 1, 2021.

[85 FR 25635, May 1, 2020]