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

John H Williams

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1205312907

John H Williams is an Addiction (Substance Use Disorder) Counselor in Riverside, California. Registered with an NPI since 2018.

In the registry since
2018

Practice location Address checks out

2743 Orange St
Riverside, CA 92501
Phone: (951) 788-9515
Fax: (951) 788-2526
Show map & directions

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

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X

Record details

NPI number1205312907
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedJuly 16, 2018
Last updated in NPPESFebruary 5, 2020
Certification dateFebruary 5, 2020

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