Tristar Clinical Investigations

Philadelphia's medical center listings run 252 deep, but a count like that only matters if the contact details behind it work. Of those entries, 245 carry a phone number and 227 link to a website, so most of the page gives you a real way to reach a provider rather than just a name on a map. Coverage clusters around zip 19104, which alone holds 26 listings, with another 20 in 19107 and smaller pockets in 19128 and 19130.

None of these listings carry a Sponsored tag today, since paid placement in this category sits at zero, so the order reflects plain directory data. This page doesn't rank or recommend a center, and nothing here reflects a site visit or inspection. If you manage one of these centers and notice a wrong number or broken link, you can claim the listing and correct it, saving the next Philadelphia resident a dead end. Call two or three before deciding where to go.