Kathleen O'Neill, LMSW, CASAC
NPI 1477614766 · Clinical Social Worker · East Islip, NY
Kathleen O'Neill, LMSW, CASAC is a Clinical Social Worker provider in East Islip, NY (NPI 1477614766).
Provider details
- NPI number
- 1477614766
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW, CASAC
- Sex
- Female
- Sole proprietor
- Yes
- License
- 7417 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
19 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
- 2006-12-12
- Last updated
- 2007-07-16
Frequently asked questions
- What is Kathleen O'Neill's NPI number?
- Kathleen O'Neill's National Provider Identifier (NPI) is 1477614766, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathleen O'Neill's specialty?
- Kathleen O'Neill is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Kathleen O'Neill located?
- Kathleen O'Neill's practice location on file with NPPES is 265 East Main Street, East Islip, NY 11730.
- What is Kathleen O'Neill's phone number?
- The practice phone number listed in the NPPES registry for Kathleen O'Neill is (631) 732-4350.
- Is Kathleen O'Neill's NPI active?
- Yes — Kathleen O'Neill's NPI (1477614766) is active in the NPPES registry as of the last update on 2007-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.