42 CFR § 415.105 - Amounts of payment for physician services to beneficiaries in providers.
(a) General rule. The carrier determines amounts of payment for physician services to beneficiaries in providers in accordance with the general rules governing the physician fee schedule payment in part 414 of this chapter, except as provided in paragraph (b) of this section.
(b) Application in certain settings -
(1) Teaching hospitals. The carrier applies the rules in subpart D of this part (concerning physician services in teaching settings), in addition to those in this section, in determining whether fee schedule payment should be made for physician services to individual beneficiaries in a teaching hospital.
(2) Hospital-based ESRD facilities. The carrier applies §§ 414.310 through 414.314 of this chapter, which set forth determination of reasonable charges under the ESRD program, to determine the amount of payment for physician services furnished to individual beneficiaries in a hospital-based ESRD facility approved under part 405 subpart U.