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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


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O'Donnell, Carolyn MD

Pediatrics
Accepting new patients
  • Acton Medical Associates
  • 321 Main Street
  • Acton MA 01720
  • T: 978-635-8700
  • F: 978-635-8925
  • Acton Medical Associates
  • 231 Ayer Road
  • Harvard MA 01451
  • T: 978-772-1213
  • F: 978-772-1507

Oh, Kathryn K. 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

Older, Michael J. MD

Gastroenterology
Accepting new patients
  • Michael Older M.D., P.C.
  • 190 Groton Road
  • Suite 190
  • Ayer MA 01432
  • T: 978-772-3547
  • F: 978-772-0558