Anne Marie O'Neill, LCSW
NPI 1821113259 · Clinical Social Worker · Larchmont, NY
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Anne Marie O'Neill, LCSW is a Clinical Social Worker provider in Larchmont, NY (NPI 1821113259).
Provider details
- NPI number
- 1821113259
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- R0042691 (NY)
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
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
- 2007-03-21
- Last updated
- 2007-07-08
Frequently asked questions
- What is Anne Marie O'Neill's NPI number?
- Anne Marie O'Neill's National Provider Identifier (NPI) is 1821113259, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Anne Marie O'Neill's specialty?
- Anne Marie O'Neill is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Anne Marie O'Neill located?
- Anne Marie O'Neill's practice location on file with NPPES is 1890 Palmer Ave, Larchmont, NY 10538-3059.
- What is Anne Marie O'Neill's phone number?
- The practice phone number listed in the NPPES registry for Anne Marie O'Neill is (914) 833-3468.
- Does Anne Marie O'Neill accept Medicare?
- Anne Marie O'Neill is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Anne Marie O'Neill's NPI active?
- Yes — Anne Marie O'Neill's NPI (1821113259) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.