228 Billerica Road
Chelmsford , MA 01824
TTY: dial 711
24/7 medical advice is always available by calling your doctor's office.
The Chelmsford practice does offer pre-scheduled weekend and holiday urgent care appointments, as do our locations in Braintree, Kenmore, Peabody, Somerville and Wellesley. Please call your doctor’s office to make an appointment at a location that is most convenient for you. Click here to view the hours for all of our urgent care sites.
Pharmacy: Patients have access to Pharmacy services at 15 practice locations. Click here for more information or look below for site-specific hours.
DIRECTIONS: Click here for directions to the Chelmsford practice.
PARKING INFO: Free parking is available on the premises.
MBTA INFO: Take the LRTA "Route 129" bus that stops at our front door.
ACCESS: Our offices are handicapped accessible.
IMAGING: Patients have access to general x-ray services at 14 practice locations, as well as specialized imaging services like ultrasound at some locations. Click here for more information or look below for site-specific hours.
INTERPRETER SERVICES: Harvard Vanguard provides foreign language interpreter services at no cost to all patients to assist communication between our clinicians and patients whose primary language is not English. Click here for more information.
Laboratory: Patients have access to Laboratory services at 14 practice locations. Click here for more information or look below for site-specific hours.
This is a smoke-free practice site. Click here for more information.
The Chelmsford practice of Harvard Vanguard Medical Associates has been caring for residents of Lowell, Chelmsford, Billerica, Dracut, and other nearby cities and towns since 1990. The office is conveniently located on Route 129, just West of Route 3 in Chelmsford.
Our Chelmsford practice provides primary care for adults and children and a wide range of medical and surgical specialty care. Our preferred hospital partners include Lowell General Hospital, Beth Israel Deaconess Medical Center, Lahey Hospital and Medical Center, and Boston Children’s Hospital.
Chelmsford Hours of Operation
Our building is open from 7:30am – 8:00pm Monday through Thursday (6:00pm on Fridays). Department appointment hours can vary, so please refer to the department times below or call a specialty department listed in the right-hand menu.
|Mon - Thu||Fri|
|Adult Internal Medicine||8:00am – 8:00pm||8:00am – 6:00pm|
|OB/Gyn||8:30am – 5:00pm||8:30am – 5:00pm|
|Pediatrics||8:00am – 7:30pm||8:00am – 6:00pm|
Holiday & Weekend Urgent Care Hours**
|Adult Internal Medicine||10:00am – 2:00pm||10:00am – 2:00pm|
|Pediatrics||10:00am – 2:00pm||10:00am – 2:00pm|
* The information above indicates the hours during which patients are seen in each department. Department phones are answered directly from 8:00am until 5:00pm, Monday through Friday, after which calls are transferred to our central, after-hours medical advice staff.
** Urgent Care appointments are for when you are sick and must be pre-scheduled. For more information, click here.
24/7 Medical Advice
Medical advice is available to Harvard Vanguard patients by telephone 24 hours a day, 7 days a week. If you need medical advice after office hours, please call your doctor's office. Follow the phone prompts to be routed to our after-hours triage service staffed by Harvard Vanguard nurse practitioners and physician assistants with access to your electronic medical record. Click here to learn more.
Weekend & Holiday Urgent Care
All Harvard Vanguard patients have access to adult and pediatric weekend and holiday urgent care at 6 regionally located practices (Braintree, Chelmsford, Kenmore, Peabody, Somerville, and Wellesley). Unless it is a life-threatening emergency (in which case you should call 911), you can use our weekend and holiday urgent care hours for most health-related situations. Click here for more information on Harvard Vanguard's Urgent Care.
Select a specialty to view phone number, fax number, and more information