Section 424.124 - Conditions for payment for physician services and ambulance services(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(2) They meet the conditions set forth in paragraphs (b) and (c) of this section.(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.53 FR 6646, Mar. 2, 1988; 53 FR 12945, Apr. 20, 1988; 64 FR 3649, Jan. 25, 1999