NPPES file of Aug 9, 2026

Lia Marie Ziemann, AU.D.

Audiologist · Geneva, IL

Lia Marie Ziemann, AU.D. is an audiologist with a practice address in Geneva, Illinois, and NPI 1801343686, issued on Sep 8, 2016. Check the license (Illinois 147001603, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1801343686
Name
Lia Marie Ziemann
Credential
AU.D.
Primary taxonomy
Audiologist 231H00000X
License number
147001603 IL
Self-reported in NPPES; status is on the state search
Practice location
637 W State St, Geneva, IL 60134
Phone
(630) 232-9153
Enumerated
Sep 8, 2016
Record last updated
Sep 8, 2016 (not updated in 10 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20161020002455); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest audiologist records → All 868 in Illinois → Look up another NPI →

Also registered at 637 W State St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Casey Cummings, AU.D.Audiologist1164864591
  2. Maria MorrisonAudiologist1619926839
  3. Faaria QuraishiAudiologist1699642306

Verify Lia Marie Ziemann in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 147001603    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Geneva Hearing Services PCGeneva, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Lia Marie Ziemann among 868 audiologist records in Illinois

Lia Marie Ziemann, AU.D. is one of 868 audiologist records with a practice address in Illinois. 36% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 67% of them.

  • NPI issued2016 · 67% of these records are older, 32% newer
  • In a Medicare fileYes · 36% of these records are
  • In the CMS Doctors and Clinicians fileYes · 40% of these records are
  • Graduated2016 · median 2011 among the 346 with a school on file
  • Record last updated2016 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 231H00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Audiologist providers in Illinois

There are 868 audiologist records in Illinois.

All 868 in Illinois → Every provider in Geneva → Audiologist nationwide →

The 8 audiologist records with the nearest ZIP codes

  1. Casey Cummings, AU.D.Geneva, IL 601341164864591
  2. Maria MorrisonGeneva, IL 601341619926839
  3. Faaria QuraishiGeneva, IL 601341699642306
  4. Melissa Raterman, AU.D.Geneva, IL 601341871755496
  5. Samantha Rensch, AU.D.Geneva, IL 601341205300829
  6. Dawn Tutt, AU.D. CCC/AGeneva, IL 601341710905047
  7. Dawn Violetto, AU.DGeneva, IL 601341851558753
  8. Linda Burba, AU.D.Glen Ellyn, IL 601371740332659

Common questions

What is Lia Marie Ziemann, AU.D.'s NPI number?

Lia Marie Ziemann, AU.D.'s National Provider Identifier (NPI) is 1801343686, issued on Sep 8, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Lia Marie Ziemann, AU.D. located?

The NPPES record lists a practice address at 637 W State St, Geneva, IL, 60134. Phone: (630) 232-9153. Providers update this record themselves, so call before visiting.

How can I verify Lia Marie Ziemann, AU.D.'s license?

NPPES lists Illinois license number 147001603, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.