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Internist, Critical Care Specialist, Pulmonologist (lungs), Sleep Medicine Specialist
9 years of experience
Accepting new patients
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. Heidi O'Connor:

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Specialties & Research

Dr. Heidi O'Connor, MD is board certified in Internal Medicine, Critical Care Medicine, Pulmonary Disease, and Sleep Medicine.

Education & Awards

Dr. O'Connor graduated from University of Massachusetts, Worcester.


Dr. O'Connor has 5 hospital affiliations:

  • Tufts Medical Center 
  • Winchester Hospital 


  • Chinese
  • Portuguese
  • Spanish

> > > > Dr. Heidi O'Connor, MD

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Additional Information
Dr. Heidi Huggett O'Connor MD is a female Internist, has 9 years of experience and practices in Internal Medicine, Pulmonary Disease, Critical Care Medicine, and Sleep Medicine.
Where does Dr. Heidi H. O'Connor practice?
Dr. Heidi O'Connor has 3 office locations.
Dr. Heidi O'Connor practices Internal Medicine, Pulmonary Disease, Critical Care Medicine, and Sleep Medicine near Stoughton, MA.
Additional practice locations include: Dorchester Center, MA and Lowell, MA.
See Stoughton Internists, Stoughton Pulmonologists, Stoughton Critical Care Practitioners, and Stoughton Sleep Medicine Doctors.