Karr, Nick MD Mom Approved Sinai Urgent Care 18101 Preston Rd Dallas, Texas 75252 844/585-3544 https://sinaiurgentcare.com/about-dr-karr Loading... No Records Found Sorry, no records were found. Please adjust your search criteria and try again. Maps failed to load Sorry, unable to load the Maps API. Reader Comments Hours of operation are open late and on weekends and holidays. Attentive and caring. Dara, Dallas