Luke O'Brien
NPI 1366062861 · Social Worker · Willimantic, CT
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Luke O'Brien is a Social Worker provider in Willimantic, CT (NPI 1366062861).
Provider details
- NPI number
- 1366062861
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2020-04-24
- Last updated
- 2020-04-24
- Certified
- 2020-04-24
Frequently asked questions
- What is Luke O'Brien's NPI number?
- Luke O'Brien's National Provider Identifier (NPI) is 1366062861, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Luke O'Brien's specialty?
- Luke O'Brien is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Luke O'Brien located?
- Luke O'Brien's practice location on file with NPPES is 1491 Main St, Willimantic, CT 06226-1914.
- What is Luke O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Luke O'Brien is (860) 731-5522.
- Does Luke O'Brien accept Medicare?
- Luke 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 Luke O'Brien's NPI active?
- Yes — Luke O'Brien's NPI (1366062861) is active in the NPPES registry as of the last update on 2020-04-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.