A, B, C, or D train to the 145th St and St. Nicholas Ave station. Exit on the west side and walk south on St. Nicholas Ave toward 141st Street.
HSA is located just north of the St. James Presbyterian Church.
The M3 bus runs south on Fifth Ave and north on Madison Ave; stopping at 141st St. or take the M11 bus to 141st St. Walk east for two blocks to St. Nicholas Ave and turn left.