Physician practices plan to invest big in tablets in 2012. A new survey from market research company NPD Group says 75 percent of small- to medium-sized health care practices polled are looking to buy tablets in the year ahead, according to a report at iMedicalApps.com. The dollar figures aren't huge--groups expect to spend less than $7,000 on average to equip their practices--but the numbers are impressive. The only potential bad news for hospital CIOs: All those physicians are sure to be clamoring for mobile (and tablet-friendly) access to your electronic health record in the year ahead, too. Article