(a) OWCP may give notice of the exclusion of a physician, hospital or provider of medical services or supplies:

1. (1) All OWCP district offices;
2. (2) All Federal employers;
3. (3) The CMS;
4. (4) The State or local authority responsible for licensing or certifying the excluded party.

(b) Notwithstanding any exclusion of a physician, hospital, or provider of medical services or supplies under this subpart, OWCP shall not refuse an employee reimbursement for any otherwise reimbursable medical treatment, service or supply if:

1. (1) Such treatment, service or supply was rendered in an emergency by an excluded physician; or
2. (2) The employee could not reasonably have been expected to have known of such exclusion.