Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Henry L Sonneborn, MD

Individual provider Hematology & Oncology Physician · NPI 1376508812

Henry L Sonneborn, MD is a Hematology & Oncology Physician in Dover, New Hampshire. Licensed in New Hampshire. Registered with an NPI since 2006.

Licensed in
NH
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

789 Central Ave
Dover, NH 03820-2526
Phone: (603) 742-8787
Fax: (603) 740-2446
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 6086 (NH)

Record details

NPI number1376508812
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 18, 2006
Last updated in NPPESFebruary 25, 2014

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