Request Your Appointment Today Call us at 617-401-7441 to contact us and begin the appointment scheduling process. We look forward to hearing from you! (617) 401-7441 Fax: (617) 203-6651 info@uhsma.com Unitas Healthcare Systems 43 High Street, Suite 320 North Andover, MA 01845 Hours of OperationHours Monday 10:00 am – 8:30 pm Tuesday 10:00 am – 8:30 pm Wednesday 10:00 am – 8:30 pm Thursday 10:00 am – 8:30 pm Friday 10:00 am – 8:30 pm Saturday 10:00 am – 8:30 pm Sunday 10:00 am – 8:30 pm