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Main Campus

  • T: 1-978-369-1400
  • Find a physician 24/7:
    1-877-936-3776
  • TTY: 1-800-439-0183


Campus Map

Find a Doctor


John Cahoy, MD

Cahoy, John MD, PhD

Orthopedic Surgery (Pediatric)
Accepting new patients
  • Orthopedic Affiliates, Inc.
  • Emerson Center for Specialty Care
  • 54 Baker Avenue Extension, Suite 200
  • Concord MA 01742
  • T: 978-369-5391
  • F: 978-369-7661
  • Orthopedic Affiliates, Inc.
  • Westford Health Center
  • 133 Littleton Road, Suite 104
  • Westford MA 01886
  • T: 978-369-5391
  • F: 978-369-7661

Caldwell, Gregory T. DMD, MD

Oral & Maxillofacial Surgery
Accepting new patients
  • Concord & Lexington Oral Surgery Associates
  • 801 Main Street
  • Concord MA 01742
  • T: 978-369-2525
  • F: 978-369-7425
  • Concord & Lexington Oral Surgery Associates
  • 35 Bedford Street
  • Suite 18B
  • Lexington MA 02420
  • T: 781-861-8855
  • F: 781-861-1994

Callahan, Jr., Brian T. MD

Not accepting new patients
  • Emerson Hospital
  • 133 Old Road To Nine Acre Corner
  • Concord MA 01742
  • T: 978-287-8760

Calligas, Thrassos S. MD

Psychiatry, Psychiatry (Child)
  • John Cuming Building
  • 131 Old Road to Nine Acre Corner
  • Suite 620
  • Concord MA 01742
  • T: 978-369-4662
  • F: 617-787-4581

Cantu, Robert C. MD

Neurosurgery, Spine Surgery, Sports Medicine
Accepting new patients
  • John Cuming Building
  • 131 Old Road to Nine Acre Corner
  • Suite 820
  • Concord MA 01742
  • T: (978) 369-1386
  • F: 978-287-0047

Catalano, Gregory D. DPM

Podiatric Surgery, Podiatry, Sports Medicine
Accepting new patients
  • North Bridge Podiatry Group
  • 1732 Main Street
  • Concord MA 01742
  • T: 978-369-2665
  • F: 978-371-9914
  • North Bridge Podiatry Group
  • Emerson Health Center
  • 133 Littleton Road
  • Westford MA 01886
  • T: 978-369-2665 & 978-589-6908
  • F: 978-371-9914 & 978-589-6909

Chang, JoAnn MD

Ophthalmology
Accepting new patients
  • D'Ambrosio Eye Care, Inc.
  • 100 Powdermill Road
  • Acton MA 01720
  • T: 978-897-7212
  • F: 978-461-0345
  • D'Ambrosio Eye Care, Inc.
  • 479 Old Union Turnpike
  • Lancaster MA 01523
  • T: 978-537-3900
  • F: 978-537-6030
  • D'Ambrosio Eye Care, Inc.
  • 74 Main Street
  • Gardner MA 01440
  • T: 978-632-3930
  • F: 978-632-3158

Chen, Eddy MD

Cancer Services, Hematology, Oncology (Medical)
Accepting new patients
  • Mass General Cancer Center at Emerson Hospital — Bethke
  • John Cuming Building
  • 131 Old Road to Nine Acre Corner
  • Suite 200
  • Concord MA 01742
  • T: 978-287-3436

Christiansen, Dorothy M. MD

Internal Medicine (Primary Care), Rheumatology
Accepting new patients
  • Groton Medical Associates
  • Emerson Health Center
  • 100 Boston Road
  • Groton MA 01450
  • T: 978-448-4300
  • F: 978-448-4040

Chuah, Claris DMD

Oral & Maxillofacial Surgery
Accepting new patients
  • Concord & Lexington Oral Surgery Associates
  • 801 Main Street
  • Concord MA 01742
  • T: 978-369-2525
  • F: 978-369-7425
  • Concord & Lexington Oral Surgery Associates
  • 35 Bedford Street
  • Suite 18B
  • Lexington MA 02420
  • T: 781-861-8855
  • F: 781-861-1994

Church, Megan MD

Pediatrics
Accepting new patients
  • Pediatrics West
  • Westford Health Center
  • 133 Littleton Road
  • Suite 101
  • Westford MA 01886
  • T: 978-577-0437
  • F: 978-692-9904
  • Pediatrics West
  • 120 Boston Road
  • Suite 1
  • Groton MA 01450
  • T: 978-577-0437
  • F: 978-448-6707

Churchill, Amy S. MD

Internal Medicine (Primary Care)
Not accepting new patients
  • Acton Medical Associates
  • 321 Main Street
  • Acton MA 01720
  • T: 978-635-8700
  • F: 978-635-8921
  • Acton Medical Associates
  • 231 Ayer Road
  • Harvard MA 01451
  • T: 978-772-1213
  • F: 978-772-1507