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

Individual provider Psychologist · NPI 1639640279

William Folberth, PSYD is a Psychologist in New York, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2018
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

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Practice location Address checks out

156 5th Ave Ste 1107
New York, NY 10010-7749
Phone: (646) 598-3889
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 021483 (NY)

Record details

NPI number1639640279
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorYes
NPI enumeratedDecember 7, 2018
Last updated in NPPESDecember 7, 2018

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