IndividualActive
Douglas Demars
NPI 1861342552 · Registered Nurse · Wolfeboro, NH
Douglas Demars is a Registered Nurse provider in Wolfeboro, NH (NPI 1861342552).
Provider details
- NPI number
- 1861342552
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 064261-21 (NH)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Established profile(53/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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.
Practice location
240 S Main St
Wolfeboro, NH 03894-4455
Phone: (603) 569-7500
Street-level locationGet directions
Mailing address
Po Box 256
Chocorua, NH 03817-0256
Registry dates
- Enumerated
- 2026-02-02
- Last updated
- 2026-02-02
- Certified
- 2026-02-01
Frequently asked questions
- What is Douglas Demars's NPI number?
- Douglas Demars's National Provider Identifier (NPI) is 1861342552, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Douglas Demars's specialty?
- Douglas Demars is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Douglas Demars located?
- Douglas Demars's practice location on file with NPPES is 240 S Main St, Wolfeboro, NH 03894-4455.
- What is Douglas Demars's phone number?
- The practice phone number listed in the NPPES registry for Douglas Demars is (603) 569-7500.
- Is Douglas Demars's NPI active?
- Yes — Douglas Demars's NPI (1861342552) is active in the NPPES registry as of the last update on 2026-02-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.