Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. William Leslie Cheshier, PHD

Individual provider Mental Health Counselor · NPI 1235273442

Dr. William Leslie Cheshier, PHD is a Mental Health Counselor in New York, New York. Practices as a sole proprietor. Licensed in Illinois and New York.

Licensed in
IL, NY
In the registry since
2007
Specialties on file
2
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

77 5th Ave Ste 8D
New York, NY 10003-3033
Phone: (212) 691-0647
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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 18 000195 (NY)
Mental Health Counselor Taxonomy 101YM0800X (IL)

Record details

NPI number1235273442
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedFebruary 19, 2007
Last updated in NPPESJuly 8, 2007

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