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

Richelle Mastalir

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1447726575

Richelle Mastalir is an Addiction (Substance Use Disorder) Counselor in Waukesha, Wisconsin. Practices as a sole proprietor. Licensed in Wisconsin.

Licensed in
WI
In the registry since
2018

Practice location Address checks out

403 N Grand Ave
Waukesha, WI 53186-4913
Phone: (262) 443-0298
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 18296 (WI)

Record details

NPI number1447726575
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedOctober 16, 2018
Last updated in NPPESOctober 16, 2018

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