Maryland Code, Health-General § 15-103.4

(a) A managed care organization may deem a health care provider credentialed for a period of not more than 6 months from the date of receipt of a completed application if:

(b) An entity that has credentialed a health care provider may not refuse a request by a managed care organization to verify that the health care provider is credentialed and in good standing.

(c) Nothing in this section may be construed to relieve the managed care organization from fully credentialing its health care providers.