He later worked onstage with the late fellow Butterfield Band member Mike Bloomfield and has been active from his home in Marin County, California, in the San Francisco Bay Area as a festival and radio producer for several decades.
He continued to perform, both solo and in an ensemble, in the Bay area and elsewhere, often with longtime associate slide guitarist, Ron Thompson.
Naftalin has also recorded with many blues players including John Lee Hooker, Otis Rush, Percy Mayfield, Lowell Fulson, Big Joe Turner, James Cotton, Mike Bloomfield, Jake Walker and Van Morrison, and as a sideman on over 100 albums.
He played keyboards on the first Mother Earth album, Living With the Animals (1968) and was credited as co-producer and arranger.
Naftalin was inducted into the Rock and Roll Hall of Fame in 2015 as an early member of the Paul Butterfield Blues Band.