Psychologists and Psychiatrists in Lake Havasu City, AZ Name: Malatesta Daniel T Psychologist Address: 2156 McCulloch Boulevard North Suite 1 City: Lake Havasu City State: Arizona Zipcode: 86403 Local Number: (928)453-1633 Name: Koch Caroline MD Address: 2187 SWanson Avenue City: Lake Havasu City State: Arizona Zipcode: 86403 Local Number: (928)855-3432