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

Mark R Harrison DDS PA

Organization Pediatric Dentistry · NPI 1508875329

Mark R Harrison DDS PA 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?
PA — Professional association
A form of business registration, not a clinical qualification.

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 number1508875329
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Mark Harrison — Dentist / President · (603) 778-0400
NPI enumeratedAugust 8, 2006
Last updated in NPPESAugust 22, 2020
Mailing address40 Portsmouth Ave, Exeter, NH 03833-2106

Other providers in Exeter