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

Individual provider Behavior Analyst · NPI 1114591575

Phieffer Guerrier, MSW is a Behavior Analyst in New York, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2021
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.

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Practice location Address checks out

135 W 50th St
New York, NY 10020-1201
Phone: (212) 582-9100
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Behavior Analyst (primary) Taxonomy 103K00000X (NY)

Record details

NPI number1114591575
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW
Sole proprietorYes
NPI enumeratedMay 19, 2021
Last updated in NPPESMay 19, 2021
Certification dateApril 24, 2021

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