Walter P. Maynard, M.D. 760.339.7100 Specialty: Diagnostic Radiology El Centro Regional Medical Center Location: 1415 Ross Ave., El Centro, CA 92243 Get Directions Education: Meharry Medical College, School of Medicine Martin Luther King Jr./Drew Medical Center Education NPI Ratings Education Meharry Medical College, School of Medicine Martin Luther King Jr./Drew Medical Center Patient Comments