He’s on CNN almost every day, and on the CBS Evening News occasionally, and this afternoon, Dr. Sanjay Gupta headed to 30 Rock to appear on MSNBC’s “Dr. Nancy.”

The CNN doc is promoting his new book, “Cheating Death.” Dr. Nancy Snyderman introduced Gupta as her “good friend.”

“You work for CNN, I work here, we have friends at ABC, across the spectrum. But what binds us is our, I think, love of medicine and story telling,” said Dr. Nancy.

• Earlier on TVNewser: TV Doctors Celebrate Release of Sanjay Gupta’s New Book