Quick Look: the PTN Healthcasts Channel is available only to medical professionals, who must submit an online application that will be reviewed and verified before being accepted. If you're a medical professional, here is what this channel can provide (description adapted from the Healthcasts website):
"Launched in 2001, The Professional Television Network's - Healthcasts, is a peer-board reviewed, credible, and physician-validated home-based private digital television network for physicians and healthcare professionals. We broadcast a wide variety of programs including those that are Continuing Medical Education (CME) accredited, medical news, highlights of major society, association, and congress meetings, in addition to other physician-oriented programs to thousands of physicians throughout the United States."
-- Information is current as of September 21, 2012
Developer's Channel Description: PTN Healthcasts Channel
CHANNEL STORE CATEGORY: Educational
DEVELOPER: PTN Healthcasts
FEES: Not provided
RELATED LINKS:
PTN Healthcasts Website