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Internist, Oncology Specialist (cancer)
37 years of experience
Video profile
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).

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Specialties & Research

Dr. Henry Sonneborn, MD is board certified in Internal Medicine and Medical Oncology.


Education & Awards

Dr. Sonneborn graduated from Albany Medical College.


Affiliations

Dr. Sonneborn has 3 hospital affiliations:

  • Portsmouth Regional Hospital 
  • Wentworth-Douglass Hospital 
  • Frisbie Memorial Hospital 

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Additional Information
Dr. Henry Leo Sonneborn MD is a male Internist, has 37 years of experience and practices in Internal Medicine and Medical Oncology.
Where does Dr. Henry L. Sonneborn practice?
Dr. Henry Sonneborn has 3 office locations.
Dr. Henry Sonneborn practices Internal Medicine and Medical Oncology near Portsmouth, NH.
Additional practice locations include: Dover, NH.
See Portsmouth Internists and Portsmouth Oncologists.