(a) Basic rules. Medicare Part B pays for physician and ambulance services if -
(1) They are furnished -
(i) To an individual who is entitled to Part B benefits; and
(ii) In connection with covered inpatient hospital services; and
(b) Physician services.
(1) The physician services are services covered under Medicare Part B and are furnished -
(i) In the hospital, during a period of covered inpatient services; or
(ii) Outside the hospital, on the day of admission and for the same condition that required inpatient admission; and
(2) The physician is legally authorized to practice in the country where he or she furnishes the services.
(c) Ambulance services. The ambulance services are -
(1) Necessary because the use of other means of transportation is contraindicated by the beneficiary's condition; and
(2) Furnished by an ambulance that meets the definition in § 410.41 of this chapter.