Davis Square Family Practice: Deborah Bershel, MD. ... 260 Elm Street #105, Somerville, MA 02144 (617) 666-9577. Fax: (617) 666-3190. Find Us. Office Hours: Monday - Friday 8am-5pm. Davis Square Family Practice. Deborah Bershel, MD. Michelle Clark, NP. Carmen Phillips, NP. Andrea Dandridge, NP. Patient Portal "Call our office to receive login ....