The group hopes its members can increase congressional support of a new bill introduced in the House. 

In a recent ratings update, Moody's labeled the imaging center operator's outlook as "stable," while noting an ongoing hiring crunch in imaging. 

The Strengthening Medicare for Patients and Providers Act would provide a permanent annual pay update tied to inflation.

Investors continue to pour funds into radiology and other segments of medicine, seeking shelter from volatility seen elsewhere.

"Healthcare private equity has earned a recession-proof reputation," according to one expert. 

“Crystal Run has long recognized that the fee-for-service reimbursement model is broken," the practice's CEO said in an email to employees.

Nearly three dozen healthcare leaders were included in this year’s list of the richest people in the world, according to Forbes, which recently published its “World’s Billionaires List."

“Without a doubt, this proposal created strong feelings across our membership," ACC President B. Hadley Wilson, MD, said in a statement.