Yvonne O'Brien, LICSW
NPI 1487043063 · Clinical Social Worker · New Haven, CT
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yvonne O'Brien, LICSW is a Clinical Social Worker provider in New Haven, CT (NPI 1487043063).
Provider details
- NPI number
- 1487043063
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LICSW
- Sex
- Female
- Sole proprietor
- No
- License
- 10685 (CT)
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
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 230 Ashmun StreetNew Haven, CT 06511Phone: (203) 786-5970Fax: (203) 777-5839
Registry dates
- Enumerated
- 2015-01-20
- Last updated
- 2026-04-14
- Certified
- 2026-04-14
Frequently asked questions
- What is Yvonne O'Brien's NPI number?
- Yvonne O'Brien's National Provider Identifier (NPI) is 1487043063, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yvonne O'Brien's specialty?
- Yvonne O'Brien is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Yvonne O'Brien located?
- Yvonne O'Brien's practice location on file with NPPES is 157 Church St Fl 19, New Haven, CT 06510-2100.
- What is Yvonne O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Yvonne O'Brien is (347) 981-6775.
- Does Yvonne O'Brien accept Medicare?
- Yvonne 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 Yvonne O'Brien's NPI active?
- Yes — Yvonne O'Brien's NPI (1487043063) is active in the NPPES registry as of the last update on 2026-04-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.