Q4 2010 Sleep Apnea Re-Supply Orders up 75% Over Q4 2009 Graymark Healthcare Inc, the nation's second largest provider of diagnostic sleep services and an innovator in comprehensive care for obstructive sleep apnea (OSA), serviced a record number of OSA patients in the fourth quarter of 2010, with a 16% increase in CPAP set-ups and a 75% increase in re-supply shipments, as … [Read more...] about Graymark Healthcare Treats Record Number of Patients in Q4 2010