Stacy F. Messmer, LCSW
Clinical Social Worker · Mineola, NY
Stacy F. Messmer, LCSW is a clinical social worker with a practice address in Mineola, New York, and NPI 1790074920, issued on Mar 28, 2011. Check the license (New York 086688, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Stacy F. Messmer
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License numbers
- 086688 NY
080001 NY
Self-reported in NPPES; status is on the state search - Practice location
- 110 Main St, Mineola, NY 11501
- Phone
- (516) 747-5644
- Enumerated
- Mar 28, 2011
- Record last updated
- Nov 4, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (516) 747-2556
- Medicare enrollment
- Enrolled (PECOS I20210713002642); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 29,293 in New York → Look up another NPI →
Also registered at 110 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alyssa Angelillo, LCSW, CASACClinical Social Worker1558784751
- Maryann Brown, RNRegistered Nurse1962612143
- Ralph Clark, CASACAddiction (Substance Use Disorder) Counselor1629491071
- Rachael Dirienzo-Lawless, FNP-CFamily Nurse Practitioner1992856058
- Kevens Duliepre, RNPsychiatric/Mental Health Nurse Practitioner1093243537
- Danielle Durels, LMSWSocial Worker1972001394
Verify Stacy F. Messmer 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 086688Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Che Senior Psychological Services, PCStaten Island, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stacy F. Messmer among 29,293 clinical social worker records in New York
Stacy F. Messmer, 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. Its NPI, issued in 2011, is newer than 46% of them.
- NPI issued2011 · 46% of these records are older, 50% newer
- In a Medicare fileYes · 8% of these records are
- In the CMS Doctors and Clinicians fileYes · 17% of these records are
- Graduated2006 · median 2001 among the 5,004 with a school on file
- Record last updated2021 · 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).
46 clinical social worker records list a practice address in Mineola
They are 46 of the 2,077 NPPES records with a practice address in Mineola, and 29,293 clinical social worker records in New York.
All 29,293 in New York → Every provider in Mineola → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Susan Casey, MSW LCSWMineola, NY 115011821127465
- Nancy Deutsch, L.C.S.W.Mineola, NY 115011073686457
- Paula Goldstein, L.C.S.W.Mineola, NY 115011083775092
- Diane Gutman, LCSWMineola, NY 115011265501688
- Irene Hajisava, L.C.S.W.Mineola, NY 115011780715508
- Henry Hertl, LCSWMineola, NY 115011952331175
- Melissa Jennings, L.C.S.W.-RMineola, NY 115011073581161
- Robert Penaskovic, MSWMineola, NY 115011538155189
Common questions
What is Stacy F. Messmer, LCSW's NPI number?
Stacy F. Messmer, LCSW's National Provider Identifier (NPI) is 1790074920, issued on Mar 28, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Stacy F. Messmer, LCSW located?
The NPPES record lists a practice address at 110 Main St, Mineola, NY, 11501. Phone: (516) 747-5644. Providers update this record themselves, so call before visiting.
How can I verify Stacy F. Messmer, LCSW's license?
NPPES lists New York license number 086688, 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. Medicare files from data.cms.gov. 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.