Investor

Los Altos, California-based Gauss Surgical has raised $3.

Mobile and online appointment booking platform ZocDoc has raised $130 million in the company's first investment round in two years.

Bryan Roberts Bryan Roberts, one of Venrock's healthcare-focused investment partners, has some rules of thumb for investing in digital health -- and for what to pass up.

Grand Rounds, a company that works with consumers and employers to match patients with specialist doctors and helps provide second opinions, has raised $55 million in third round funding from a new, undisclosed global mutual fund investor as well as existing investors Greylock, Venrock, Harrison Metal and David Ebersman.

Entrada's mobile app Every year Inc.

Owlet Baby Care, a tech startup developing smart socks for monitoring infants' vital signs, raised $6 million in venture funding and another $1 million in the form of an NIH Grant.

Adherium Limited, a New Zealand company working on a smart inhaler, has raised $25.

Boulder, Colorado-based Kindara, which offers fertility tracking tools, has raised $5.

Denver, Colorado-based Dispatch Health (formerly True North Health Navigation), which developed a doctor house call service, has raised $3.

San Mateo, California-based PokitDok, which offers a healthcare price comparison tool and API-based tools for healthcare developers, has raised $34 million, according to Dow Jones' VentureWire.