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

Mr. Robert Joseph Guillen, RADT

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1821726779

Mr. Robert Joseph Guillen, RADT is an Addiction (Substance Use Disorder) Counselor in San Jose, California. Licensed in California. Registered with an NPI since 2022.

Licensed in
CA
In the registry since
2022

Practice location Address checks out

298 Bernal Rd
San Jose, CA 95119-1809
Phone: (408) 780-0755
Fax: (408) 956-6314
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 CI49050925 (CA)

Record details

NPI number1821726779
Entity typeIndividual (Type 1)
GenderMale
Credentials RADT
Sole proprietorNo
NPI enumeratedAugust 9, 2022
Last updated in NPPESAugust 1, 2026
Certification dateAugust 1, 2026

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