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

Dr. William Bielski, AUD

Individual provider Audiologist · NPI 1952727364

Dr. William Bielski, AUD is an Audiologist in Mount Prospect, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2014
What do these letters mean?
AUD — Doctor of Audiology
A hearing specialist who tests hearing and fits hearing aids.

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Practice location Address checks out

411 E Business Center Dr
Mount Prospect, IL 60056-6040
Phone: (888) 421-0843
Show map & directions

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

Specialties & licences

Audiologist (primary) Taxonomy 231H00000X · Licence 147001447 (IL)

Record details

NPI number1952727364
Entity typeIndividual (Type 1)
GenderMale
Credentials AUD
Sole proprietorYes
NPI enumeratedMarch 10, 2014
Last updated in NPPESMarch 10, 2014