Mark Robert Harrison, DDS

  • Exeter, NH
  • Pediatric dentist
NPI1407865215
Affiliated sites
2
Medical group
1
State license
1
Year NPI issued
2006
Practice address
40 Portsmouth Ave, Exeter, NH 03833-2106
Practice phone
Call (603) 778-0400
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Exeter Pediatric Dentistry

Dental practice · Exeter, New Hampshire

See all 3 affiliations

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Mark Robert Harrison is a pediatric dentist in Exeter, New Hampshire

Mark Harrison practices at Exeter Pediatric Dentistry in Exeter, New Hampshire.

Mark Harrison's NPI, 1407865215, was assigned on August 8, 2006. Mark Harrison holds New Hampshire license 2251.

NPI and contact details
NPI enumeration date
August 8, 2006
NPI status
Active
Practice phone
(603) 778-0400
Professional email
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Personal email
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Mobile number
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Sex
Male

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Mark Robert Harrison practices at Exeter Pediatric Dentistry in Exeter, New Hampshire

Mark Harrison's primary practice is Exeter Pediatric Dentistry, at 40 Portsmouth Ave, Exeter, NH 03833-2106. The practice phone is (603) 778-0400.

  • Exeter Pediatric Dentistry
    40 Portsmouth Ave, Exeter, NH 03833-2106Phone(603) 778-0400

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Mark Robert Harrison is affiliated with 2 sites of care and 1 medical group

Mark Harrison's primary practice is Exeter Pediatric Dentistry in Exeter, New Hampshire. Dmand AI also links Mark Harrison to 1 physician office and 1 medical group, each named with a free account.

Exeter Pediatric DentistryDental practice · Exeter, New HampshirePrimary
1 physician officeName with a free account1 medical groupName with a free account
See all 3 affiliations for Mark Harrison

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dmand AI tracks the EHR system at Mark Robert Harrison's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Mark Harrison practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Exeter Pediatric DentistryAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Mark Robert Harrison is one of 40 pediatric dentists in New Hampshire

Pediatric dentistry is Mark Harrison's primary specialty in the NPI Registry, under taxonomy code 1223P0221X. Mark Harrison is licensed in New Hampshire.

Specialties and state licenses

  • Pediatric dentist, New HampshirePrimaryLicense 2251 · taxonomy 1223P0221X

Pediatric dentists near Mark Harrison

Counts of pediatric dentists with a Dmand AI profile, by place and practice. Each opens the list.

40pediatric dentists in New Hampshire
3pediatric dentists in Exeter

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Mark Robert Harrison's patients have a median age of 17

Across all payers, Dmand AI patient panel data puts Mark Harrison's median patient age at 17, with 100% women.

Mark Harrison's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 17

Patient panel by sex, all payers

  • Women100%
  • Men0%

Source: Dmand AI Patient Panel Data

Sources for Mark Robert Harrison's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Mark Robert Harrison

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Mark Robert Harrison's NPI number?

Mark Robert Harrison's NPI number is 1407865215. It was assigned on August 8, 2006, and it is active in the NPI Registry.

What does Mark Robert Harrison specialize in?

Mark Robert Harrison is a pediatric dentist in Exeter, New Hampshire. The primary specialty in the NPI Registry is Pediatric Dentist (taxonomy code 1223P0221X).

Where does Mark Robert Harrison practice?

Mark Harrison practices at 40 Portsmouth Ave, Exeter, NH 03833-2106. Mark Harrison's primary practice is Exeter Pediatric Dentistry in Exeter, New Hampshire. Dmand AI also links Mark Harrison to 1 physician office and 1 medical group.

What is Mark Robert Harrison's office phone number?

The practice phone on file for Mark Harrison is (603) 778-0400.

What is Mark Robert Harrison's medical license number?

Mark Harrison holds New Hampshire license 2251.

How long has Mark Robert Harrison been practicing?

Mark Harrison's NPI was assigned in 2006.

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