Since 2005, Desert Bloom Obstetrics & Gynecology of Tucson has helped thousands of women achieve better health.Dr. David B. Mainman, and . Dr. Jessica Serrano-Rodriguez, and their friendly, professional staff provide advanced, experienced, comprehensive obgyn care for all the stages of your life.. At Desert Bloom OBGYN, we provide the following obstetric and gynecologic care, among others ....