NPPES file of Aug 9, 2026

Leslie Castillo, AU.D.

Audiologist · Glen Ellyn, IL

Leslie Castillo, AU.D. is an audiologist with a practice address in Glen Ellyn, Illinois, and NPI 1821976184, issued on Aug 25, 2025. Check the license (Illinois 147.012213, 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
1821976184
Name
Leslie Castillo
Credential
AU.D.
Primary taxonomy
Audiologist 231H00000X
License number
147.012213 IL
Self-reported in NPPES; status is on the state search
Practice location
430 Pennsylvania Ave Ste 330, Glen Ellyn, IL 60137
Phone
(630) 545-7650
Enumerated
Aug 25, 2025
Record last updated
Oct 6, 2025
Fax
(630) 718-2655
Medicare enrollment
Enrolled (PECOS I20250918002688); 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 430 Pennsylvania Ave Ste 330

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

  1. Kelly Bramlette, PAPhysician Assistant1497910814
  2. Kayla Gettemy, AUDAudiologist1205711504
  3. Kevin Hulett, M.D.Otolaryngology Physician1952341257
  4. Heather Koopmann, AU.D.Audiologist1013596485
  5. Laura Weese, AU.D.Audiologist1326274069

Verify Leslie Castillo 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 147.012213    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. Dupage Medical Group LtdGlen Ellyn, IL

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

Leslie Castillo among 868 audiologist records in Illinois

Leslie Castillo, 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 2025, is newer than 95% of them.

  • NPI issued2025 · 95% of these records are older, 2% newer
  • In a Medicare fileYes · 36% of these records are
  • In the CMS Doctors and Clinicians fileYes · 40% of these records are
  • Graduated2025 · median 2011 among the 346 with a school on file
  • Record last updated2025 · 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).

14 audiologist records list a practice address in Glen Ellyn

They are 14 of the 684 NPPES records with a practice address in Glen Ellyn, and 868 audiologist records in Illinois.

All 868 in Illinois → Every provider in Glen Ellyn → Audiologist nationwide →

The 8 audiologist records with the nearest ZIP codes

  1. Linda Burba, AU.D.Glen Ellyn, IL 601371740332659
  2. Susan Christopherson, AU.D.Glen Ellyn, IL 601371538491345
  3. Concetta Clark, M.A.Glen Ellyn, IL 601371770809659
  4. Sarah Dyke, AUDGlen Ellyn, IL 601371295388577
  5. Kayla Gettemy, AUDGlen Ellyn, IL 601371205711504
  6. Heather Koopmann, AU.D.Glen Ellyn, IL 601371013596485
  7. Debbie KuhnGlen Ellyn, IL 601371518118983
  8. Jeanne Perkins, AUDGlen Ellyn, IL 601371407095854

Common questions

What is Leslie Castillo, AU.D.'s NPI number?

Leslie Castillo, AU.D.'s National Provider Identifier (NPI) is 1821976184, issued on Aug 25, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Leslie Castillo, AU.D. located?

The NPPES record lists a practice address at 430 Pennsylvania Ave Ste 330, Glen Ellyn, IL, 60137. Phone: (630) 545-7650. Providers update this record themselves, so call before visiting.

How can I verify Leslie Castillo, AU.D.'s license?

NPPES lists Illinois license number 147.012213, 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.