Yvonne Feffer
NPI 1457680985 · Audiologist-Hearing Aid Fitter · Chicago, IL
Yvonne Feffer is a Audiologist-Hearing Aid Fitter provider in Chicago, IL (NPI 1457680985).
Provider details
- NPI number
- 1457680985
- Entity type
- Individual
- Primary specialty
- Audiologist-Hearing Aid FitterSpeech, Language and Hearing Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 147.001327 (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
16 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 111 N Wabash Ave Ste 1618Chicago, IL 60602-3049Phone: (312) 251-0100Fax: (312) 251-0123
Registry dates
- Enumerated
- 2009-12-11
- Last updated
- 2018-04-04
Frequently asked questions
- What is Yvonne Feffer's NPI number?
- Yvonne Feffer's National Provider Identifier (NPI) is 1457680985, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yvonne Feffer's specialty?
- Yvonne Feffer is listed in the NPPES registry with a primary specialty of Audiologist-Hearing Aid Fitter (Speech, Language and Hearing Service Providers).
- Where is Yvonne Feffer located?
- Yvonne Feffer's practice location on file with NPPES is 111 N Wabash Ave Ste 1618, Chicago, IL 60602-3049.
- What is Yvonne Feffer's phone number?
- The practice phone number listed in the NPPES registry for Yvonne Feffer is (312) 251-0100.
- Is Yvonne Feffer's NPI active?
- Yes — Yvonne Feffer's NPI (1457680985) is active in the NPPES registry as of the last update on 2018-04-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.