NPPES file of Aug 9, 2026

Sivan Blonz, MS

Audiologist-Hearing Aid Fitter · Park Ridge, IL

Sivan Blonz, MS is an audiologist-hearing aid fitter with a practice address in Park Ridge, Illinois, and NPI 1558550475, issued on Oct 16, 2007. Check the license (Illinois 147000868, 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
1558550475
Name
Sivan Blonz
Credential
MS
Primary taxonomy
Audiologist-Hearing Aid Fitter 237600000X
License number
147000868 IL
Self-reported in NPPES; status is on the state search
Practice location
2604 Dempster St Ste 501, Park Ridge, IL 60068
Phone
(847) 674-5585
Enumerated
Oct 16, 2007
Record last updated
May 13, 2024
Medicare enrollment
Enrolled (PECOS I20081218000759); 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-hearing aid fitter records → All 73 in Illinois → Look up another NPI →

Also registered at 2604 Dempster St Ste 501

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

  1. Martin Anderson, M.D.Otolaryngology Physician1467767855
  2. Samantha Bloodgood, AU.D.Audiologist1194593079
  3. Gregory Bussell, M.D.Otolaryngology Physician1063404358
  4. Francis Casper, M.D.Otolaryngology Physician1356333637
  5. Michael Dougherty, MDOtolaryngology Physician1437786407
  6. Katherine Hamming, M.D.Otolaryngology Physician1861684334

Verify Sivan Blonz 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 147000868    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).

Sivan Blonz among 73 audiologist-hearing aid fitter records in Illinois

Sivan Blonz, MS is one of 73 audiologist-hearing aid fitter records with a practice address in Illinois. 25% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 33% of them.

  • NPI issued2007 · 33% of these records are older, 51% newer
  • In a Medicare fileYes · 25% of these records are
  • In the CMS Doctors and Clinicians fileYes · 33% of these records are
  • Graduated1997 · median 2006 among the 24 with a school on file
  • Record last updated2024 · 71% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 237600000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Audiologist-Hearing Aid Fitter providers in Illinois

There are 73 audiologist-hearing aid fitter records in Illinois.

All 73 in Illinois → Every provider in Park Ridge → Audiologist-Hearing Aid Fitter nationwide →

The 8 audiologist-hearing aid fitter records with the nearest ZIP codes

  1. Merle Nathan, M.A.Park Ridge, IL 600681427246362
  2. Melanie SamuelsPark Ridge, IL 600681770198152
  3. Regina Dziewior, MAPalatine, IL 600671467446583
  4. Adele Olmetti, M.A. CCC-A FAAASkokie, IL 600761861428203
  5. Karen Zucker, M.S.Skokie, IL 600761467627778
  6. Emily BradofLibertyville, IL 600481134375785
  7. Michelle Mattingly, AU.D.,CCC-ABuffalo Grove, IL 600891427364876
  8. Julie Patton, AU.DWheeling, IL 600901205876604

Common questions

What is Sivan Blonz, MS's NPI number?

Sivan Blonz, MS's National Provider Identifier (NPI) is 1558550475, issued on Oct 16, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Sivan Blonz, MS located?

The NPPES record lists a practice address at 2604 Dempster St Ste 501, Park Ridge, IL, 60068. Phone: (847) 674-5585. Providers update this record themselves, so call before visiting.

How can I verify Sivan Blonz, MS's license?

NPPES lists Illinois license number 147000868, 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.