Ellen Klaffky, LCSW-R
NPI 1134213176 · Clinical Social Worker · Brentwood, NY
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ellen Klaffky, LCSW-R is a Clinical Social Worker provider in Brentwood, NY (NPI 1134213176).
Provider details
- NPI number
- 1134213176
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW-R
- Sex
- Female
- Sole proprietor
- No
- License
- R046907 (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
- 2006-10-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is Ellen Klaffky's NPI number?
- Ellen Klaffky's National Provider Identifier (NPI) is 1134213176, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ellen Klaffky's specialty?
- Ellen Klaffky is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Ellen Klaffky located?
- Ellen Klaffky's practice location on file with NPPES is 1841 Brentwood Rd, Brentwood, NY 11717-4625.
- What is Ellen Klaffky's phone number?
- The practice phone number listed in the NPPES registry for Ellen Klaffky is (631) 853-7300.
- Does Ellen Klaffky accept Medicare?
- Ellen Klaffky is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ellen Klaffky's NPI active?
- Yes — Ellen Klaffky's NPI (1134213176) 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.