Healthcare workers are a selfless group of people who just want to help others. A very noble profession! To find the cache, go to the posted coords and you'll see a plaque dedicated to one of these selfless people. There are two dates on the plaque, we'll call the first on ABCD and the second one WXYZ.
The cache can be found at:
N39 58.(C+D)(A+C)C
W74 35.Y(Z-1)W