such physician or practitioner during such period was prescribed pursuant to a telehealth visit. (B) Audit In the case of a physician or practitioner identified under subparagraph (A), with respect to a period described in such subparagraph, the Medicare administrative contractors shall conduct audits of all claims for laboratory tests prescribed by such physicians or practitioners during such period beginning to determine whether such claims comply with the requirements for coverage under this title. . (c) Effective date The amendments made by this section shall take effect upon the termination of the emergency period described in section 1135(g)(1)(B) of the Social Security Act ( 42 U.S.C. 1320b–5(g)(1)(B) ). 3. Requirement to submit NPI number for separately billable telehealth services (a) Requirement To submit NPI number for separately billable telehealth services Section 1834(m) of the Social Security Act ( 42 U.S.C. 1395m(m) ) is amended by adding at the end the following new paragraph: (10) Requirement to submit NPI number for separately billable telehealth services Payment may not be made under this subsection for separately billable telehealth services furnished by a physician or practitioner unless such physician or practitioner submits a claim for payment under the national provider identification number assigned to such physician or practitioner. . (b) Effective date The amendment made by this section shall take effect upon the termination of the emergency period described in section 1135(g)(1)(B) of the Social Security Act ( 42 U.S.C. 1320b–5(g)(1)(B) ).