OrganizationActive
James Duncan DDS, PA
NPI 1356772511 · General Practice Dentistry · Portland, TX
James Duncan DDS, PA is a General Practice Dentistry organization in Portland, TX (NPI 1356772511).
Provider details
- NPI number
- 1356772511
- Entity type
- Organization
- Primary specialty
- General Practice DentistryDental Providers
- Organization subpart
- No
- Authorized official
- James Duncan, Owner/President(361) 643-3030
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(76/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 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
240 Reliant Dr
Portland, TX 78374-3317
Phone: (361) 643-3030
Fax: (361) 643-5050
Approximate (ZIP-level) locationGet directions
Mailing address
240 Reliant Dr
Portland, TX 78374-3317
Other names (DBA / former)
- Doing business as
- Duncan Dental Studio
Registry dates
- Enumerated
- 2013-12-12
- Last updated
- 2013-12-12
Frequently asked questions
- What is James Duncan DDS, PA's NPI number?
- James Duncan DDS, PA's National Provider Identifier (NPI) is 1356772511, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is James Duncan DDS, PA?
- James Duncan DDS, PA is classified in the NPPES registry as General Practice Dentistry (Dental Providers).
- Where is James Duncan DDS, PA located?
- James Duncan DDS, PA's practice location on file with NPPES is 240 Reliant Dr, Portland, TX 78374-3317.
- What is James Duncan DDS, PA's phone number?
- The practice phone number listed in the NPPES registry for James Duncan DDS, PA is (361) 643-3030.
- Who is the authorized official for James Duncan DDS, PA?
- The authorized official listed on James Duncan DDS, PA's NPPES record is James Duncan, Owner/President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is James Duncan DDS, PA's NPI active?
- Yes — James Duncan DDS, PA's NPI (1356772511) is active in the NPPES registry as of the last update on 2013-12-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.