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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).

Patient Reviews

Patient comments (4)

The overall average patient rating of Dr. Dennis Long is Excellent. Dr. Long has been reviewed by 6 patients who have provided 4 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 4.3
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

Dr. Dennis Long, MD is board certified in Pediatrics.

Education & Awards

Dr. Long graduated from West Virginia University, Morgantown. He has 2 awards.

Patients' Choice Award (2008 - 2011)
Compassionate Doctor Recognition (2011)


Dr. Long has 2 hospital affiliations:

  • Lawrence & Memorial Hospital 
  • Lawrence And Memorial Hospital, New London CT 


  • English
  • Spanish

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Additional Information
Dr. Dennis Sage Long MD is a male Pediatrician, has 42 years of experience and practices in Pediatrics.
Where does Dr. Dennis S. Long practice?
Dr. Dennis Long has 2 office locations.
Dr. Dennis Long practices Pediatrics near New London, CT.
Additional practice locations include: North Stonington, CT.
See New London Pediatricians.