IndividualActive
William Bielski, AU.D.
NPI 1952727364 · Audiologist · Mount Prospect, IL
William Bielski, AU.D. is a Audiologist provider in Mount Prospect, IL (NPI 1952727364).
Provider details
- NPI number
- 1952727364
- Entity type
- Individual
- Primary specialty
- AudiologistSpeech, Language and Hearing Service Providers
- Credential
- AU.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 147001447 (IL)
Specialties & taxonomies
Speech, Language and Hearing Service Providers
Profile Score
Detailed profile(76/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
411 E Business Center Dr
Mount Prospect, IL 60056-6040
Phone: (888) 421-0843
Street-level locationGet directions
Mailing address
411 E Business Center Dr
Mount Prospect, IL 60056-6040
Registry dates
- Enumerated
- 2014-03-10
- Last updated
- 2014-03-10
Frequently asked questions
- What is William Bielski's NPI number?
- William Bielski's National Provider Identifier (NPI) is 1952727364, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Bielski's specialty?
- William Bielski is listed in the NPPES registry with a primary specialty of Audiologist (Speech, Language and Hearing Service Providers).
- Where is William Bielski located?
- William Bielski's practice location on file with NPPES is 411 E Business Center Dr, Mount Prospect, IL 60056-6040.
- What is William Bielski's phone number?
- The practice phone number listed in the NPPES registry for William Bielski is (888) 421-0843.
- Is William Bielski's NPI active?
- Yes — William Bielski's NPI (1952727364) is active in the NPPES registry as of the last update on 2014-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.