Leslie Horowitz, MA, CCC-SLP
NPI 1144364688 · Speech-Language Pathologist · Dix Hills, NY
Leslie Horowitz, MA, CCC-SLP is a Speech-Language Pathologist provider in Dix Hills, NY (NPI 1144364688).
Provider details
- NPI number
- 1144364688
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- MA, CCC-SLP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 006139 (NY)
Specialties & taxonomies
Speech, Language and Hearing 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
- 2007-02-17
- Last updated
- 2008-12-04
Frequently asked questions
- What is Leslie Horowitz's NPI number?
- Leslie Horowitz's National Provider Identifier (NPI) is 1144364688, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leslie Horowitz's specialty?
- Leslie Horowitz is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Leslie Horowitz located?
- Leslie Horowitz's practice location on file with NPPES is 27 Stonywell Ct, Dix Hills, NY 11746-5424.
- What is Leslie Horowitz's phone number?
- The practice phone number listed in the NPPES registry for Leslie Horowitz is (516) 313-4238.
- Is Leslie Horowitz's NPI active?
- Yes — Leslie Horowitz's NPI (1144364688) is active in the NPPES registry as of the last update on 2008-12-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.