She believes Reform UK is “the only party serious about putting family, community, country and our city first”.
Kanneganti has worked for the NHS for 26 years and runs three GP practices in the city.
On his defection, he said: “For too long, the main parties have talked about change while delivering very little.
“Everyday concerns such as the cost of living, pressure on public services, immigration, and value for taxpayers’ money are not being addressed with the seriousness they deserve.”
Beardmore said Kanneganti would be missed as a Conservative councillor and thanked him for his service.
A Reform spokesperson said both councillors would make excellent additions to the party.
“We are beyond proud to welcome them to the expanding number of councillors flocking to the party which will rebuild Britain,” they said.