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

Gregory Demitri Williams

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1982495818

Gregory Demitri Williams is an Addiction (Substance Use Disorder) Counselor in Santa Monica, California. Practices as a sole proprietor and works from 2 locations. Licensed in California.

Licensed in
CA
In the registry since
2025

Practice location Address checks out

1871 9th St
Santa Monica, CA 90404-4501
Phone: (310) 314-6200
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 762 Griswold Ave, San Fernando, CA 91340-2105 — (747) 500-9405

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X · Licence 225855 (CA)

Record details

NPI number1982495818
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedMay 12, 2025
Last updated in NPPESApril 27, 2026
Certification dateApril 27, 2026

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