Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

William A Mousser

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1699686600

William A Mousser is an Addiction (Substance Use Disorder) Counselor in Waianae, Hawaii. Practices as a sole proprietor. Licensed in Hawaii.

Licensed in
HI
In the registry since
2026

Practice location Address checks out

84-578 Manuku St
Waianae, HI 96792
Phone: (808) 306-9842
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 832-97 (HI)

Record details

NPI number1699686600
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedSeptember 16, 2026
Last updated in NPPESSeptember 16, 2026
Certification dateSeptember 16, 2026

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