Sean O'Brien, D.M.D
NPI 1316324759 · General Practice Dentistry · Duxbury, MA
Enrolled with Medicare as Order and Referring Only - Dentist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sean O'Brien, D.M.D is a General Practice Dentistry provider in Duxbury, MA (NPI 1316324759).
Provider details
- NPI number
- 1316324759
- Entity type
- Individual
- Primary specialty
- General Practice DentistryDental Providers
- Credential
- D.M.D
- Sex
- Male
- Sole proprietor
- No
- License
- DN1857220 (MA)
Specialties & taxonomies
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 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
Mailing address
Registry dates
- Enumerated
- 2015-05-06
- Last updated
- 2024-10-14
- Certified
- 2024-10-14
Frequently asked questions
- What is Sean O'Brien's NPI number?
- Sean O'Brien's National Provider Identifier (NPI) is 1316324759, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sean O'Brien's specialty?
- Sean O'Brien is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).
- Where is Sean O'Brien located?
- Sean O'Brien's practice location on file with NPPES is 104 Tremont St Ste 4, Duxbury, MA 02332-4750.
- What is Sean O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Sean O'Brien is (781) 934-5292.
- Does Sean O'Brien accept Medicare?
- Sean O'Brien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sean O'Brien's NPI active?
- Yes — Sean O'Brien's NPI (1316324759) is active in the NPPES registry as of the last update on 2024-10-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.