Services meeting the conditions for payment in § 415.102(a) furnished in teaching settings are payable under the physician fee schedule if—

(a) The services are personally furnished by a physician who is not a resident; or

(b) The services are furnished by a resident in the presence of a teaching physician except as provided in § 415.172 (concerning physician fee schedule payment for services of teaching physicians), § 415.174 (concerning an exception for services furnished in hospital outpatient and certain other ambulatory settings), § 415.176 (concerning renal dialysis services), and § 415.184 (concerning psychiatric services), as applicable.