Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Stacy F Messmer, LCSW

Individual provider Social Worker · NPI 1790074920

Stacy F Messmer, LCSW is a Clinical Social Worker in Mineola, New York. Qualified in 2006, 20 years ago. Practices with Che Senior Psychological Services, PC, a 224-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
20
Licensed in
NY
In the registry since
2011
Specialties on file
2
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

110 Main St
Mineola, NY 11501-4000
Phone: (516) 747-5644
Fax: (516) 747-2556
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 086688 (NY)
Social Worker Taxonomy 104100000X · Licence 080001 (NY)

Record details

NPI number1790074920
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedMarch 28, 2011
Last updated in NPPESNovember 4, 2021
Certification dateNovember 4, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2006 (20 years in practice)
Group practice Che Senior Psychological Services, Pc — 224 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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