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

Dr. Mark Robert Harrison, DDS

Individual provider Pediatric Dentistry · NPI 1407865215

Dr. Mark Robert Harrison, DDS is a Pediatric Dentistry in Exeter, 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?
DDS — Doctor of Dental Surgery
A dentist. DDS and DMD are the same qualification — universities choose which title to award.

See every abbreviation used in this directory →

Practice location Address checks out

40 Portsmouth Ave
Exeter, NH 03833-2106
Phone: (603) 778-0400
Show map & directions

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

Specialties & licences

Pediatric Dentistry (primary) Taxonomy 1223P0221X · Licence 2251 (NH)

Record details

NPI number1407865215
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedAugust 8, 2006
Last updated in NPPESJuly 8, 2007

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