Westford Internal Medicine 133 Littleton Road Suite 202 Westford, MA 01886 Phone: 978-577-1946 Fax: 978-692-4716 Referral: 978-577-1929 Prescription refills: 978-577-1945 WELCOME TO WESTFORD INTERNAL MEDICINE We would like to bring the following policies and procedures of the office to your attention: Appointments:.