My good friend Joost and others have uncovered a treasure trove of Local Business sub-type schema, from Dentists and Hotels to Plumbers and Nightclubs. The LocalBusiness schema is quite interesting in itself, you can use it to indicate if the business is a branch of a larger organisation, the opening days/hours, currency and payment types accepted, e.g. cash or credit cards.
Some of the LocalBusiness sub-types have unique options, allowing you to be able to specify the medical speciality for a clinic or more usefully the cuisine type, ability to take reservations and menu link for a restaurant.
We know that rich snippet markup can increase CTR by up to 15%, so this is a useful resource to help you do this for local business clients. You can give Joost your email on that page, and he will send you out updates as he finds them.