If you wish to make an appointment, please call the office nearest you. If you have a question and would like more information, please submit the contact form below. Offices: Rapid City, Elk Street Office 605-343-7262, Rapid City, Mainstream Office, 605-343-0650, Hot Springs 605-745-6222, Spearfish 605-642-2777, or for a mental health crisis our Crisis Care Center (open 24 hours a day, 365 days a year) 605-391-4863. If you are a client of BMS and are unable to make your scheduled appointment, please call the office you normally receive services from. Appointments cannot be made, cancelled or changed by email.