42 CFR § 410.58 - Additional services to HMO and CMP enrollees.

---
identifier: "/us/cfr/t42/s410.58"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "42 CFR § 410.58 - Additional services to HMO and CMP enrollees."
title_number: 42
title_name: "Public Health"
section_number: "410.58"
section_name: "Additional services to HMO and CMP enrollees."
chapter_name: "CENTERS FOR MEDICARE & MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "B"
subchapter_name: "MEDICARE PROGRAM"
part_number: "410"
part_name: "SUPPLEMENTARY MEDICAL INSURANCE (SMI) BENEFITS"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 1302, 1395m, 1395hh, 1395rr, and 1395ddd."
regulatory_source: "51 FR 41339, Nov. 14, 1986, unless otherwise noted."
cfr_part: "410"
---


# 410.58 Additional services to HMO and CMP enrollees.

Services not usually covered under Medicare Part B may be covered as medical and other health services if they are furnished to an enrollee of an HMO or a CMP and the following conditions are met:

(a) The services are—

(1) Furnished by a physician assistant or nurse practitioner as defined in § 491.2 of this chapter, or are incident to services furnished by such a practitioner; or

(2) Furnished by a clinical psychologist as defined in § 417.416 of this chapter to an enrollee of an HMO or CMP that participates in Medicare under a risk-sharing contract, or are incident to those services.

(b) The services are services that would be covered under Medicare Part B if they were furnished by a physician or as incident to a physician's professional services.