Richard Herstowski
NPI 1093017915 · Hearing Instrument Specialist · Darien, IL
Richard Herstowski is a Hearing Instrument Specialist provider in Darien, IL (NPI 1093017915).
Provider details
- NPI number
- 1093017915
- Entity type
- Individual
- Primary specialty
- Hearing Instrument SpecialistSpeech, Language and Hearing Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 3022 (IL)
Specialties & taxonomies
Speech, Language and Hearing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
Mailing address
Registry dates
- Enumerated
- 2010-11-29
- Last updated
- 2022-07-21
Frequently asked questions
- What is Richard Herstowski's NPI number?
- Richard Herstowski's National Provider Identifier (NPI) is 1093017915, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Herstowski's specialty?
- Richard Herstowski is listed in the NPPES registry with a primary specialty of Hearing Instrument Specialist (Speech, Language and Hearing Service Providers).
- Where is Richard Herstowski located?
- Richard Herstowski's practice location on file with NPPES is 3253 Brewer Rd, Darien, IL 60561-1750.
- What is Richard Herstowski's phone number?
- The practice phone number listed in the NPPES registry for Richard Herstowski is (630) 210-5061.
- Is Richard Herstowski's NPI active?
- Yes — Richard Herstowski's NPI (1093017915) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.