They traveled throughout Europe performing chamber music, recruiting cellist Fritz Reitz to form a trio.
He conducted the New York Philharmonic at the Lewisohn Stadium summer concert series from 1922 to 1939 where he was also served as associate conductor from 1923 to 1925.
At the Lewisohn, in 1927 he conducted the New York Philharmonic playing Rhapsody in Blue and Concerto in F with George Gershwin as soloist.
After the untimely death of Theodore Spiering in 1925, Van Hoogstraten was appointed music director of the Oregon Symphony, where he served for thirteen seasons.
Van Hoogstraten died in 1965 in Tutzing, and is buried there with his ex-wife, Elly Ney, at Neuer Friedhof.