Patient Portal Locations Useful Links Location 1230 South Cedar Crest Blvd, Suite 301, 302 &304 Allentown, PA 18103 610-432-4529 facebook Patient Portal Patient Portal Our Location Valley Kidney Specialists 1230 South Cedar Crest Blvd, Suite 301, 302 &304, Allentown, PA 18103 Phone. 610-432-4529 Fax. 610-258-2140 Get Directions.