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
Mailing address40 Portsmouth Ave, Exeter, NH 03833-2106

Other providers in Exeter