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

Individual provider Mental Health Counselor · NPI 1194022475

Wendy Marie Mercer, LMHC is a Mental Health Counselor in West Sayville, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2011
What do these letters mean?
LMHC — Licensed Mental Health Counselor
A licensed mental health counsellor; the title used in Florida, New York and Washington among others.

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Practice location Address checks out

105 Bucknell Rd
West Sayville, NY 11796-1004
Phone: (631) 872-5451
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence 004687-1 (NY)

Record details

NPI number1194022475
Entity typeIndividual (Type 1)
GenderFemale
Credentials LMHC
Sole proprietorYes
NPI enumeratedFebruary 22, 2011
Last updated in NPPESFebruary 22, 2011

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