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

Mr. Derrick D Williams

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1548401748

Mr. Derrick D Williams is an Addiction (Substance Use Disorder) Counselor in Chino, California. Licensed in California. Registered with an NPI since 2009.

Licensed in
CA
In the registry since
2009

Practice location Address checks out

5389 Riverside Dr
Chino, CA 91710-4252
Phone: (909) 615-7540
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X · Licence 281032609P (CA)

Record details

NPI number1548401748
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedMarch 18, 2009
Last updated in NPPESMarch 18, 2009
Mailing address5389 Riverside Dr, Chino, CA 91710-4252

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