OrganizationActive
Derek R Blackwelder DMD PLLC
NPI 1427099233 · General Practice Dentistry · Winnisquam, NH
Derek R Blackwelder DMD PLLC is a General Practice Dentistry organization in Winnisquam, NH (NPI 1427099233).
Provider details
- NPI number
- 1427099233
- Entity type
- Organization
- Primary specialty
- General Practice DentistryDental Providers
- Organization subpart
- No
- Authorized official
- Derek Blackwelder, Dentist / Owner(603) 528-1212
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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.
Practice location
944 Laconia Road
Winnisquam, NH 03289-1020
Phone: (603) 528-1212
Fax: (603) 528-1320
Approximate (ZIP-level) locationGet directions
Mailing address
Po Box 1020
Winnisquam, NH 03289-1020
Other names (DBA / former)
- Doing business as
- Winnisquam Dental
Registry dates
- Enumerated
- 2006-06-10
- Last updated
- 2008-01-09
Frequently asked questions
- What is Derek R Blackwelder DMD PLLC's NPI number?
- Derek R Blackwelder DMD PLLC's National Provider Identifier (NPI) is 1427099233, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Derek R Blackwelder DMD PLLC?
- Derek R Blackwelder DMD PLLC is classified in the NPPES registry as General Practice Dentistry (Dental Providers).
- Where is Derek R Blackwelder DMD PLLC located?
- Derek R Blackwelder DMD PLLC's practice location on file with NPPES is 944 Laconia Road, Winnisquam, NH 03289-1020.
- What is Derek R Blackwelder DMD PLLC's phone number?
- The practice phone number listed in the NPPES registry for Derek R Blackwelder DMD PLLC is (603) 528-1212.
- Who is the authorized official for Derek R Blackwelder DMD PLLC?
- The authorized official listed on Derek R Blackwelder DMD PLLC's NPPES record is Derek Blackwelder, Dentist / Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Derek R Blackwelder DMD PLLC's NPI active?
- Yes — Derek R Blackwelder DMD PLLC's NPI (1427099233) is active in the NPPES registry as of the last update on 2008-01-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.