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

Corey Bierman

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1770306391

Corey Bierman is an Addiction (Substance Use Disorder) Counselor in Garden Grove, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2024

Practice location Address checks out

13222 Chapman Ave
Garden Grove, CA 92840-4414
Phone: (949) 767-1770
Fax: (424) 842-7075
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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 CI35980722 (CA)

Record details

NPI number1770306391
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedNovember 4, 2024
Last updated in NPPESNovember 19, 2024
Certification dateNovember 19, 2024
Mailing address13222 Chapman Ave, Garden Grove, CA 92840-4414

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