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Dennis Slater, LCSW
NPI 1619043403 · Clinical Social Worker · Holbrook, NY
Dennis Slater, LCSW is a Clinical Social Worker provider in Holbrook, NY (NPI 1619043403).
Provider details
- NPI number
- 1619043403
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- 021742-1 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 index)
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
4250 Veterans Memorial Hwy
Suite 215
Holbrook, NY 11741-4000
Phone: (631) 331-7292
Fax: (631) 474-4272
Street-level locationGet directions
Mailing address
4250 Veterans Memorial Hwy
Holbrook, NY 11741-4000
Registry dates
- Enumerated
- 2006-11-26
- Last updated
- 2007-07-08
Frequently asked questions
- What is Dennis Slater's NPI number?
- Dennis Slater's National Provider Identifier (NPI) is 1619043403, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dennis Slater's specialty?
- Dennis Slater is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Dennis Slater located?
- Dennis Slater's practice location on file with NPPES is 4250 Veterans Memorial Hwy, Holbrook, NY 11741-4000.
- What is Dennis Slater's phone number?
- The practice phone number listed in the NPPES registry for Dennis Slater is (631) 331-7292.
- Is Dennis Slater's NPI active?
- Yes — Dennis Slater's NPI (1619043403) 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.