IndividualActive
Denise Messier, LCSW
NPI 1891825113 · Clinical Social Worker · Hauppauge, NY
Denise Messier, LCSW is a Clinical Social Worker provider in Hauppauge, NY (NPI 1891825113).
Provider details
- NPI number
- 1891825113
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- 0737381 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(89/100 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
725 Veteran'S Memorial Highway
Building 151
Hauppauge, NY 11788
Phone: (631) 853-6410
Fax: (631) 853-6413
Approximate (ZIP-level) locationGet directions
Mailing address
26 Manitton Ct
Islip, NY 11751-3604
Registry dates
- Enumerated
- 2007-03-06
- Last updated
- 2007-09-04
Frequently asked questions
- What is Denise Messier's NPI number?
- Denise Messier's National Provider Identifier (NPI) is 1891825113, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Denise Messier's specialty?
- Denise Messier is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Denise Messier located?
- Denise Messier's practice location on file with NPPES is 725 Veteran'S Memorial Highway, Hauppauge, NY 11788.
- What is Denise Messier's phone number?
- The practice phone number listed in the NPPES registry for Denise Messier is (631) 853-6410.
- Is Denise Messier's NPI active?
- Yes — Denise Messier's NPI (1891825113) is active in the NPPES registry as of the last update on 2007-09-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.