Dennis Dunn, M.S. CASAC
NPI 1740689439 · Addiction (Substance Use Disorder) Counselor · Lynbrook, NY
Dennis Dunn, M.S. CASAC is a Addiction (Substance Use Disorder) Counselor provider in Lynbrook, NY (NPI 1740689439).
Provider details
- NPI number
- 1740689439
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- M.S. CASAC
- Sex
- Male
- Sole proprietor
- No
- License
- CASAC#9078 (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
11 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
- 2014-08-19
- Last updated
- 2014-08-19
Frequently asked questions
- What is Dennis Dunn's NPI number?
- Dennis Dunn's National Provider Identifier (NPI) is 1740689439, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dennis Dunn's specialty?
- Dennis Dunn is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Dennis Dunn located?
- Dennis Dunn's practice location on file with NPPES is 185 Merrick Rd, Lynbrook, NY 11563.
- What is Dennis Dunn's phone number?
- The practice phone number listed in the NPPES registry for Dennis Dunn is (516) 887-4848.
- Is Dennis Dunn's NPI active?
- Yes — Dennis Dunn's NPI (1740689439) is active in the NPPES registry as of the last update on 2014-08-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.