Quick answer: Start broad, then narrow carefully. Specialty filters are helpful, but using too many at once can hide good options that may still meet your needs.
Why over-filtering happens
When there are many filter choices, it is easy to select more than you actually need. That can remove useful facilities from your results, especially if profiles are still being developed or if some services are listed differently across centers.
Start with the one thing you know
Begin with your location and the main service you are looking for. If you know you need screening mammography, start there. If you know you need MRI, biopsy, or diagnostic imaging, begin with that single priority.
Add filters one at a time
After your first search, add filters gradually. This makes it easier to see which filter is helping and which one may be removing too many results.
Do not assume every profile is complete
Some facilities may offer services that are not fully described yet in a profile. If a center looks promising but the listing is light on detail, contacting the facility directly may still be worth it.
When to remove filters
If your results look too limited or too strange, remove one or two filters and search again. Broadening the search often improves relevance.
The safest filter strategy
Use filters to guide your search, not to make the decision for you. Start broad, narrow in stages, and confirm key details directly with the center before ruling it in or out.