Dr. Mary O'Brien MD

Physician Profile

Mary O'Brien, graduated from State University Of New York At Stony Brook, School Of Medicine in 1991. Her primary practice is as an Internal Medicine.

MD: Doctor of Medicine


Specialties Include:

• Internal Medicine  
  
  
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  zip code: 01545
  East	3 mi	Northborough
  S.East	5 mi	Westborough
  S.West	5 mi	Worcester
  North	8 mi	Clinton
  East	9 mi	Marlborough
  North	9 mi	South Lancaster
  S.East	10 mi	Upton