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

Gary Diaz

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1700200730

Gary Diaz is an Addiction (Substance Use Disorder) Counselor in San Bernardino, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2014

Practice location Address checks out

1100 N D St
San Bernardino, CA 92410-3524
Phone: (909) 884-0840
Fax: (909) 885-6852
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 · Licence 360004BV (CA)

Record details

NPI number1700200730
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedFebruary 11, 2014
Last updated in NPPESFebruary 11, 2014

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