James Gerweck, DMD
NPI 1699961243 · Dentist · Somersworth, NH
Enrolled with Medicare as Practitioner - Dentist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Gerweck, DMD is a Dentist provider in Somersworth, NH (NPI 1699961243).
Provider details
- NPI number
- 1699961243
- Entity type
- Individual
- Primary specialty
- DentistDental Providers
- Credential
- DMD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 10035 (CO)
Specialties & taxonomies
Dental Providers
Dental Providers
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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.
Practice location
Mailing address
Additional practice locations (1)
- 1635 Blue Spruce DrFort Collins, CO 80524-5427Phone: (970) 494-4040Fax: (970) 494-4050
Registry dates
- Enumerated
- 2007-09-18
- Last updated
- 2022-10-17
- Certified
- 2022-10-17
Frequently asked questions
- What is James Gerweck's NPI number?
- James Gerweck's National Provider Identifier (NPI) is 1699961243, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Gerweck's specialty?
- James Gerweck is listed in the NPPES registry with a primary specialty of Dentist (Dental Providers).
- Where is James Gerweck located?
- James Gerweck's practice location on file with NPPES is 311 Route 108, Somersworth, NH 03878-1522.
- What is James Gerweck's phone number?
- The practice phone number listed in the NPPES registry for James Gerweck is (603) 749-2346.
- Does James Gerweck accept Medicare?
- James Gerweck is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Gerweck's NPI active?
- Yes — James Gerweck's NPI (1699961243) is active in the NPPES registry as of the last update on 2022-10-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.