What is Stephen a Sewall, DDS, PC's NPI number?

Stephen a Sewall, DDS, PC's National Provider Identifier (NPI) is 1699983809, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What type of organization is Stephen a Sewall, DDS, PC?

Stephen a Sewall, DDS, PC is classified in the NPPES registry as General Practice Dentistry (Dental Providers).

Where is Stephen a Sewall, DDS, PC located?

Stephen a Sewall, DDS, PC's practice location on file with NPPES is 9 Hampton Rd, Exeter, NH 03833-4807.

What is Stephen a Sewall, DDS, PC's phone number?

The practice phone number listed in the NPPES registry for Stephen a Sewall, DDS, PC is (603) 778-8407.

Who is the authorized official for Stephen a Sewall, DDS, PC?

The authorized official listed on Stephen a Sewall, DDS, PC's NPPES record is Stephen Sewall, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.

Is Stephen a Sewall, DDS, PC's NPI active?

Yes — Stephen a Sewall, DDS, PC's NPI (1699983809) is active in the NPPES registry as of the last update on 2020-08-22.

OrganizationActive

Stephen a Sewall, DDS, PC

NPI 1699983809 · General Practice Dentistry · Exeter, NH

Stephen a Sewall, DDS, PC is a General Practice Dentistry organization in Exeter, NH (NPI 1699983809).

Provider details

NPI number: 1699983809
Entity type: Organization
Primary specialty: General Practice DentistryDental Providers
Organization subpart: No
Authorized official: Stephen Sewall, President(603) 778-8407
License: 1345 (NH)

Practice location

9 Hampton Rd

Exeter, NH 03833-4807

Phone: (603) 778-8407

Fax: (603) 778-3017

Street-level locationGet directions

More NH providers

Mailing address

9 Hampton Rd

Exeter, NH 03833-4807

Specialties & taxonomies

General Practice DentistryPrimary1223G0001XLicense 1345 (NH)
Dental Providers

Profile Score

Detailed profile(90/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
19 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Enumerated: 2007-05-19
Last updated: 2020-08-22

Frequently asked questions

What is Stephen a Sewall, DDS, PC's NPI number?: Stephen a Sewall, DDS, PC's National Provider Identifier (NPI) is 1699983809, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What type of organization is Stephen a Sewall, DDS, PC?: Stephen a Sewall, DDS, PC is classified in the NPPES registry as General Practice Dentistry (Dental Providers).
Where is Stephen a Sewall, DDS, PC located?: Stephen a Sewall, DDS, PC's practice location on file with NPPES is 9 Hampton Rd, Exeter, NH 03833-4807.
What is Stephen a Sewall, DDS, PC's phone number?: The practice phone number listed in the NPPES registry for Stephen a Sewall, DDS, PC is (603) 778-8407.
Who is the authorized official for Stephen a Sewall, DDS, PC?: The authorized official listed on Stephen a Sewall, DDS, PC's NPPES record is Stephen Sewall, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
Is Stephen a Sewall, DDS, PC's NPI active?: Yes — Stephen a Sewall, DDS, PC's NPI (1699983809) is active in the NPPES registry as of the last update on 2020-08-22.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions