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

John A Hosterman, PHD

Individual provider Speech/Language/Hearing Specialist/Technologist · NPI 1699928689

John A Hosterman, PHD is a Speech/Language/Hearing Specialist/Technologist in Wilmette, Illinois. Practices as a sole proprietor. Registered with an NPI since 2008.

In the registry since
2008
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

1229 Green Bay Rd Ste B
Wilmette, IL 60091-1679
Phone: (847) 256-1290
Fax: (847) 256-1290
Show map & directions

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

Specialties & licences

Speech/Language/Hearing Specialist/Technologist (primary) Taxonomy 235500000X

Record details

NPI number1699928689
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedNovember 4, 2008
Last updated in NPPESNovember 4, 2008