Travellers would also like to see 100-journey tickets rather than tickets for a fixed period of time, while carriages should be big enough for buggies and bicycles.
Passengers should be guaranteed a seat even in peak hours, while there could be standing areas on shorter journeys for those on lower-cost tickets.
The ideas for HS2, whose first phase will run from London to Birmingham from 2026, came from a panel of 40 passengers selected by rail customer watchdog Transport Focus.
As well as the GPs, shops and gyms, the panel wanted to see:
:: Different levels of comfort reflected in differing prices;
:: Fares “affordable to the masses and not just the London and Birmingham business people”;
:: Tickets that include all modes of transport (trains, buses, taxis and car parking);
:: Music and high-quality local food at stations as well as showers and sleeping facilities and a visible staff presence;
:: GPS-enabled mobile app directions so passengers can find their seats easily.
Transport Focus chief executive Anthony Smith said: “Building a brand new railway presents a unique opportunity for passengers.
“HS2 has the potential to transform travel between our major cities, but this can only be achieved by really understanding the needs of passengers.
“To build greater trust with passengers, it is important not only to deliver a punctual and reliable service, but a service with passengers at its heart.”
HS2 technical director Professor Andrew McNaughton: “HS2 will transform long-distance rail travel in the UK and that’s why it’s so important that we listen to what passengers want.
“Today’s report will help us focus on the issues that matter.”