Denise Claire Messier, LCSW
Clinical Social Worker · Hauppauge, NY
Denise Claire Messier, LCSW is a clinical social worker with a practice address in Hauppauge, New York, and NPI 1891825113, issued on Mar 6, 2007. Check the license (New York 0737381, as entered in NPPES) with the New York board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Denise Claire Messier
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 0737381 NY
Self-reported in NPPES; status is on the state search - Practice location
- 725 Veteran's Memorial Highway, Hauppauge, NY 11788
- Phone
- (631) 853-6410
- Enumerated
- Mar 6, 2007
- Record last updated
- Sep 4, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (631) 853-6413
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 29,293 in New York → Look up another NPI →
Also registered at 725 Veteran's Memorial Highway
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Elizabeth Macgilvray, NPAdult Health Nurse Practitioner1861521320
Verify Denise Claire Messier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 0737381Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Denise Claire Messier among 29,293 clinical social worker records in New York
Denise Claire Messier, LCSW is one of 29,293 clinical social worker records with a practice address in New York. 8% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 17% of them.
- NPI issued2007 · 17% of these records are older, 68% newer
- In a Medicare fileNo · 8% of these records are
- In the CMS Doctors and Clinicians fileNo · 17% of these records are
- Record last updated2007 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
50 clinical social worker records list a practice address in Hauppauge
They are 50 of the 1,043 NPPES records with a practice address in Hauppauge, and 29,293 clinical social worker records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 29,293 in New York → Every provider in Hauppauge → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Lynn Campbell, LCSW, CASACHauppauge, NY 117881609994706
- Noreen Dreyer, LCSWHauppauge, NY 117881548463896
- Susan Ellis, LCSW-RHauppauge, NY 117881982693412
- Sharon Groth, LCSWHauppauge, NY 117881174564652
- Sheryl Hafers, L.C.S.W.Hauppauge, NY 117881154458024
- Carol McNally, LCSWHauppauge, NY 117881093922825
- John Provost, LCSW LICENSED CERTIFHauppauge, NY 117881023129947
- Dolores Riordan, LCSWHauppauge, NY 117881750452124
Common questions
What is Denise Claire Messier, LCSW's NPI number?
Denise Claire Messier, LCSW's National Provider Identifier (NPI) is 1891825113, issued on Mar 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Denise Claire Messier, LCSW located?
The NPPES record lists a practice address at 725 Veteran's Memorial Highway, Hauppauge, NY, 11788. Phone: (631) 853-6410. Providers update this record themselves, so call before visiting.
How can I verify Denise Claire Messier, LCSW's license?
NPPES lists New York license number 0737381, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.