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

Mr. William Allen Bais II

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1467880435

Mr. William Allen Bais II is an Addiction (Substance Use Disorder) Counselor in Hayward, California. Licensed in California. Registered with an NPI since 2013.

Licensed in
CA
In the registry since
2013
Specialties on file
2

Practice location Address checks out

795 Fletcher Ln
Hayward, CA 94544-1008
Phone: (510) 247-8300
Fax: (510) 247-8295
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 (CA)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X

Record details

NPI number1467880435
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedOctober 29, 2013
Last updated in NPPESJanuary 26, 2022
Certification dateJanuary 26, 2022

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