Walnut Street Family Practice Phone:  301-745-3777 Fax:  301-733-5731 Monday -Friday  8:00am - 5:00pm Tuesday  8:00am - 7:00pm ~Patients seen by appointment~     Walnut Street Dental Practice Phone:  301-393-3450 Fax:  301-393-3463 Monday - Thursday  8:00am - 6:00pm Friday  8:00am - 4:30pm ~Patients seen by appointment~     Walnut Street Mental Health Services Phone:  301-393-3437 Fax:  301-733-5731 Monday - Friday  8:00am - 5:00pm ~Patients seen by appointment~ ~MUST be an established patient in the Family Practice~