Leslie Mackay, CCC/SLP
NPI 1407001498 · Speech-Language Pathologist · Plainview, NY
Leslie Mackay, CCC/SLP is a Speech-Language Pathologist provider in Plainview, NY (NPI 1407001498).
Provider details
- NPI number
- 1407001498
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- CCC/SLP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 011307-1 (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
17 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
- 2008-11-18
- Last updated
- 2008-11-18
Frequently asked questions
- What is Leslie Mackay's NPI number?
- Leslie Mackay's National Provider Identifier (NPI) is 1407001498, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leslie Mackay's specialty?
- Leslie Mackay is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Leslie Mackay located?
- Leslie Mackay's practice location on file with NPPES is 4 Fern Pl, Plainview, NY 11803-4725.
- What is Leslie Mackay's phone number?
- The practice phone number listed in the NPPES registry for Leslie Mackay is (516) 933-4700.
- Is Leslie Mackay's NPI active?
- Yes — Leslie Mackay's NPI (1407001498) is active in the NPPES registry as of the last update on 2008-11-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.