100 Trade Center Suite 750. Woburn, MA 01801. Fax: 781-937-3070. Call us at: 781-937-3001. 500 Salem Street, Wilmington, MA 01887. Our doctors try to return all phone calls the same day, but for less urgent calls, it may be up to three days. After hours, use the numbers above and select the option to reach the on-call physician regarding urgent ....