The deal should wrap before the end of March.

While Fitbit isn't more specific about what it would like to do, it's not hard to see where the company is going. Its Ionic smartwatch can already talk to glucose monitors, and heart rate tracking has been a staple of its activity trackers for years. Health care and insurance providers could offer Fitbit devices to help you meet your goals without as many doctor's appointments or sky-high insurance premiums.