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

Lia Marie Ziemann, AUD

Individual provider Audiologist · NPI 1801343686

Lia Marie Ziemann, AUD is a Qualified Audiologist in Geneva, Illinois. Qualified in 2016, 10 years ago. Practices with Geneva Hearing Services PC, a 3-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
10
Licensed in
IL
In the registry since
2016
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

637 W State St
Geneva, IL 60134-2159 Not confirmed with CMS for 10 years — call before visiting
Phone: (630) 232-9153
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Audiologist (primary) Taxonomy 231H00000X · Licence 147001603 (IL)

Record details

NPI number1801343686
Entity typeIndividual (Type 1)
GenderFemale
Credentials AUD
Sole proprietorYes
NPI enumeratedSeptember 8, 2016
Last updated in NPPESSeptember 8, 2016

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyQUALIFIED AUDIOLOGIST
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Geneva Hearing Services Pc — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients15
Services billed 18 a service is one billed item, such as a visit, a test or a procedure
Average patient age79

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Colleagues at Geneva Hearing Services PC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice.

Other providers in Geneva