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doctors & locations MyChart
Walk-In Care

Reliant Medical Group Phone number for Reliant Medical Group: (800) 283-2556


On February 19, 2018, our two Westborough offices on 106 East Main Street and 24 Lyman Street (Southboro Medical Group) combined into one location at 900 Union Street in Westborough (next to Roche Bros. in the Bay State Commons plaza).


The following departments are at the Union Street office:

Allergy Internal Medicine Optometry
Behavioral Health Laboratory Pediatrics
Care Management Neurology Podiatry
Diabetes Education Nutrition Radiology
Family Practice Obstetrics and Gynecology Rheumatology
IN Style Optical Ophthalmology

Noteworthy Changes

  • Allergy and Nutrition are now offered at the new Westborough site.
  • The Southboro Medical Group pediatrics team in the Lyman St. office has joined the Reliant Westborough pediatrics team.
  • Radiology now offers ultrasound services.
  • Rehabilitation & Sports Medicine has moved to 28 Newton Street in Southboro (inside the Southboro Medical Group building), effective 9/7.

Parking Information

Parking is easily accessible from the road and is in a lot adjacent to the building.

The WRTA shuttle stops at the Bay State Commons. Visit their website for the full schedule.