About MADALYN N. DAVIDOFF, M.D., LLC. Madalyn N. Davidoff, M.d., Llc is an internal medicine provider established in Warner Robins, Georgia specializing in internal medicine (cardiovascular disease) . The NPI number of Madalyn N. Davidoff, M.d., Llc is 1093987562 and was assigned on March 2008. The practitioner's primary taxonomy code is 207RC0000X with license number 042561 (GA)..