Concentra Urgent Care Portal - druglist.info. Health (1 days ago) Concentra Urgent Care - Book Online - Urgent Care in . Health (8 days ago) Concentra Urgent Care is an urgent care center in Baltimore and is open tomorrow from 8:00AM to 5:00PM.They are located at 100 S Charles St, Suite 150 and open 5 days per week..Patients have given an average rating of 3 stars out of 5 for their experience ....