Doc McStuffins Doc McStuffins logo Also known as Doc McStuffins: Toy Hospital (season 4) Created by Chris Nee Written by Shea Fontana Voices of Kiara Muhammad (seasons 1 -- 2) Laya DeLeon Hayes (season 3 -- present) Lara Jill Miller Robbie Rist Jess Harnell Loretta Devine Amanda Crew Jaden Isaiah Betts Kimberly Brooks Gary Anthony Williams Opening theme "The Doc is In '' by China Anne McClain (seasons 1 -- 3) Amber Riley (season 4 -- present) Ending theme "The Doc is In '' (instrumental) Composer (s) Stuart Kollmorgen (score) Kay Hanley (songs) Michelle Lewis (songs) Country of origin United States Ireland Original language (s) English No. of seasons No. of episodes 118 (list of episodes) Production Executive producer (s) Chris Nee Darragh O'Connell Cathal Gaffney Running time approx. 30 mins. Production company (s) Brown Bag Films Disney Junior Original Distributor Disney -- ABC Domestic Television Release Original network Disney Junior Picture format 1080i (HDTV) Original release March 23, 2012 (2012 - 03 - 23) -- present Chronology Related shows The Doc Files Vampirina External links Official website
who sings the theme song of doc mcstuffins
China Anne McClain