410.27—Outpatient hospital or CAH services and supplies incident to a physician or nonphysician practitioner service: Conditions.

(a) Medicare Part B pays for hospital or CAH services and supplies furnished incident to a physician or nonphysician practitioner service to outpatients, including drugs and biologicals that cannot be self-administered, if—
(1) They are furnished—
(i) By or under arrangements made by the participating hospital or CAH, except in the case of a SNF resident as provided in § 411.15(p) of this chapter ;
(ii) As an integral though incidental part of a physician's or nonphysician practitioner's services;
(iii) In the hospital or CAH or in a department of the hospital or CAH, as defined in § 413.65 of this subchapter; and
(iv) Under the direct supervision of a physician or a nonphysician practitioner as specified in paragraph (f) of this section. Nonphysician practitioners may directly supervise services that they may personally furnish in accordance with State law and all additional requirements, including those specified in §§ 410.71, 410.73, 410.74, 410.75, 410.76, and 410.77.
(A) For services furnished in the hospital or CAH or in an on-campus outpatient department of the hospital or CAH, as defined in § 413.65 of this subchapter, “direct supervision” means that the physician or nonphysician practitioner must be present on the same campus and immediately available to furnish assistance and direction throughout the performance of the procedure. It does not mean that the physician or nonphysician practitioner must be present in the room when the procedure is performed. For pulmonary rehabilitation, cardiac rehabilitation, and intensive cardiac rehabilitation services, direct supervision must be furnished by a doctor of medicine or osteopathy, as specified in §§ 410.47 and 410.49, respectively.
(B) For services furnished in an off-campus outpatient department of the hospital or CAH, as defined in § 413.65 of this subchapter, “direct supervision” means the physician or nonphysician practitioner must be present in the off-campus provider-based department of the hospital or CAH and immediately available to furnish assistance and direction throughout the performance of the procedure. It does not mean that the physician or nonphysician practitioner must be present in the room when the procedure is performed. For pulmonary rehabilitation, cardiac rehabilitation, and intensive cardiac rehabilitation services, direct supervision must be furnished by a doctor of medicine or osteopathy, as specified in §§ 410.47 and 410.49, respectively.
(b) Drugs and biologicals are also subject to the limitations specified in § 410.168.
(c) Rules on emergency services furnished to outpatients by nonparticipating hospitals are specified in § 410.168.
(d) Medicare Part B pays for partial hospitalization services if they are—
(1) Prescribed by a physician who certifies and recertifies the need for the services in accordance with subpart B of part 424 of this chapter; and
(2) Furnished under a plan of treatment as required under subpart B of part 424 of this chapter.
(e) Services furnished by an entity other than the hospital or CAH are subject to the limitations specified in § 410.42(a).
(f) For purposes of this section, “nonphysician practitioner” means a clinical psychologist, licensed clinical social worker, physician assistant, nurse practitioner, clinical nurse specialist, or certified nurse-midwife.
(g) For purposes of this section, “in the hospital or CAH” means areas in the main building(s) of the hospital or CAH that are under the ownership, financial, and administrative control of the hospital or CAH; that are operated as part of the hospital or CAH; and for which the hospital or CAH bills the services furnished under the hospital's or CAH's CMS Certification Number.
[56 FR 8841, Mar. 1, 1991, as amended at 63 FR 26307, May 12, 1998; 65 FR 18536, Apr. 7, 2000; 72 FR 66930, Nov. 27, 2007; 74 FR 60679, Nov. 20, 2009]