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

Greg Williamson

Individual provider Behavior Analyst · NPI 1902463359

Greg Williamson is a Behavior Analyst in Manhattan Beach, California. Practices as a sole proprietor. Registered with an NPI since 2019.

In the registry since
2019
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Practice location Address checks out

1230 Rosecrans Ave Ste 250
Manhattan Beach, CA 90266-2496
Phone: (310) 406-1500
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Behavior Analyst (primary) Taxonomy 103K00000X

Record details

NPI number1902463359
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedMay 21, 2019
Last updated in NPPESMay 21, 2019

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