NPPES file of Aug 9, 2026

Laura Beth Marx, AU.D.

Audiologist · McHenry, IL

Laura Beth Marx, AU.D. is an audiologist with a practice address in McHenry, Illinois, and NPI 1649527854, issued on Aug 7, 2012. Check the license (Illinois 147.001580, 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
1649527854
Name
Laura Beth Marx
Credential
AU.D.
Primary taxonomy
Audiologist 231H00000X
License numbers
147.001580 IL
706-156 WI
A.01813 OH
Self-reported in NPPES; status is on the state search
Practice location
5400 W Elm St, McHenry, IL 60050
Phone
(815) 344-6200
Enumerated
Aug 7, 2012
Record last updated
Dec 1, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(847) 741-8694
Medicare enrollment
Enrolled (PECOS I20160212000746); 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 5400 W Elm St

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

  1. Jennifer Brinkman, LSWClinical Social Worker1972378032
  2. Norman Eskoz, D.D.S.Endodontics1124116470
  3. Taylor Faust, M.A.Mental Health Counselor1083156954
  4. Neda JamehdorHearing Instrument Specialist1568834430
  5. Jung Rhee, MDOphthalmology Physician1023031770
  6. Aldo Sbigoli, D.D.S.Oral and Maxillofacial Surgery (Dentist)1407944762

Verify Laura Beth Marx 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 147.001580    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. Midwest Ent Alliance PLLCPark Ridge, IL

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

Laura Beth Marx among 868 audiologist records in Illinois

Laura Beth Marx, 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 2012, is newer than 55% of them.

  • NPI issued2012 · 55% of these records are older, 42% newer
  • In a Medicare fileYes · 36% of these records are
  • In the CMS Doctors and Clinicians fileYes · 40% of these records are
  • Graduated2012 · median 2011 among the 346 with a school on file
  • Record last updated2021 · 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 McHenry → Audiologist nationwide →

The 8 audiologist records with the nearest ZIP codes

  1. Sarah Al-Salim, AUDMcHenry, IL 600501134436835
  2. Caitlin Rock, AUDMcHenry, IL 600501790117422
  3. Alicia Alexander, CCC-ALibertyville, IL 600481235112848
  4. Jaime Block, AUDLibertyville, IL 600481952668592
  5. Carly Girard, AU.D.Libertyville, IL 600481629228515
  6. Caryn Kedzierski, M.A., CCC-ALibertyville, IL 600481538216007
  7. Jan McDonnell, M.A.Libertyville, IL 600481346591054
  8. Dana Ramsey, AUDLibertyville, IL 600481164679973

Common questions

What is Laura Beth Marx, AU.D.'s NPI number?

Laura Beth Marx, AU.D.'s National Provider Identifier (NPI) is 1649527854, issued on Aug 7, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Laura Beth Marx, AU.D. located?

The NPPES record lists a practice address at 5400 W Elm St, McHenry, IL, 60050. Phone: (815) 344-6200. Providers update this record themselves, so call before visiting.

How can I verify Laura Beth Marx, AU.D.'s license?

NPPES lists Illinois license number 147.001580, 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.