near Join Networks, Others Prefer Independence A shifting health care landscape wait ons as a backdrop to the entrepreneurial audiologists who've taken the rewards--and risks--of private practice. Responding to presss from managed care, shrinking reimbursement, merger and consolidations, about audiologists have begun to inquire for security in numbers. "There was a elephantine consolidation effort in the early 1990 in dentistry, psychology and physician practices, as well as a change from individual private practices to corporate-owned practices," said audiologist