Dr. Diane L Maennle is a Pathologist in Warren 48093, Warren MI and ha…read mores an experience of 41 years in this field. Dr. Diane L Maennle practices at Langston Walker & Associates in Warren 48093, Warren MI. She completed Residency from University Of Nebraska Medical Center and Medical School from Christian-Albrechts-Universitaet Zu Kiel Medizinische Fakultaet in 1985.read less