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

Mari Agnes Baker, HIS

Individual provider Hearing Instrument Specialist · NPI 1992929756

Mari Agnes Baker, HIS is a Hearing Instrument Specialist in Wauwatosa, Wisconsin. Licensed in Idaho and Wisconsin. Registered with an NPI since 2007.

Licensed in
ID, WI
In the registry since
2007
Specialties on file
2

Practice location Address checks out

3180 N 124th St
Wauwatosa, WI 53222-4062
Phone: (414) 442-6000
Fax: (414) 442-8378
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hearing Instrument Specialist (primary) Taxonomy 237700000X · Licence 1120 (WI)
Hearing Instrument Specialist Taxonomy 237700000X · Licence HA-1057 (ID)

Record details

NPI number1992929756
Entity typeIndividual (Type 1)
GenderFemale
Credentials HIS
Sole proprietorNo
NPI enumeratedApril 12, 2007
Last updated in NPPESOctober 27, 2015