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
Mailing address1229 Green Bay Rd Ste B, Wilmette, IL 60091-1679