Yes, after landing on other platforms last October, during the Nintendo Direct it was revealed The Ancient Gods - Part One DLC was out now on Switch. It'll set you back $19.99 USD or you can grab the Expansion Pass for $29.99 USD (or your regional equivalent). The base game is also half-price at the moment.
Bethesda has a special FAQ up for the Nintendo version - revealing a little extra information. For starters, this Part One DLC combined with the base game should be around 24.12 GB, and right now it's limited to a digital download.
As for The Ancient Gods - Part Two, it's arriving at a later date:
"The Ancient Gods - Part Two will arrive at a later date. We’ll share specific release information as soon as we can!"
Will you be trying out Part One on the Nintendo Switch? Leave a comment down below.