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

Gregory Joseph Maag, MA-FAAA

Individual provider Audiologist · NPI 1467632570

Gregory Joseph Maag, MA-FAAA is an Audiologist in Alton, Illinois. Licensed in Illinois. Registered with an NPI since 2007.

Licensed in
IL
In the registry since
2007

Practice location Address checks out

1417 Washington Ave
Alton, IL 62002-3964
Phone: (618) 462-7900
Fax: (618) 462-0179
Show map & directions

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

Specialties & licences

Audiologist (primary) Taxonomy 231H00000X · Licence 147 000375 (IL)

Record details

NPI number1467632570
Entity typeIndividual (Type 1)
GenderMale
Credentials MA-FAAA
Sole proprietorNo
NPI enumeratedNovember 6, 2007
Last updated in NPPESNovember 6, 2007

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