Dr. Olisemeka and the team of medical professionals at Physicians Now Urgent Care specializes in Walk-In Medical Services for Children to Seniors and Employers. Open Monday-Friday 8a.m.-6p.m. and Saturday & Sunday 9a.m.-5p.m. Walk In or Call us to schedule a visit. We are located at 15215 Shady Grove Rd., Suite 100, Rockville, MD 20850. MAKE ....