Leslie Castillo, AU.D.
NPI 1821976184 · Audiologist · Glen Ellyn, IL
Enrolled with Medicare as Practitioner - Qualified Audiologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leslie Castillo, AU.D. is a Audiologist provider in Glen Ellyn, IL (NPI 1821976184).
Provider details
- NPI number
- 1821976184
- Entity type
- Individual
- Primary specialty
- AudiologistSpeech, Language and Hearing Service Providers
- Credential
- AU.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 147.012213 (IL)
Specialties & taxonomies
Speech, Language and Hearing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-08-25
- Last updated
- 2025-10-06
- Certified
- 2025-10-06
Frequently asked questions
- What is Leslie Castillo's NPI number?
- Leslie Castillo's National Provider Identifier (NPI) is 1821976184, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leslie Castillo's specialty?
- Leslie Castillo is listed in the NPPES registry with a primary specialty of Audiologist (Speech, Language and Hearing Service Providers).
- Where is Leslie Castillo located?
- Leslie Castillo's practice location on file with NPPES is 430 Pennsylvania Ave Ste 330, Glen Ellyn, IL 60137-4464.
- What is Leslie Castillo's phone number?
- The practice phone number listed in the NPPES registry for Leslie Castillo is (630) 545-7650.
- Does Leslie Castillo accept Medicare?
- Leslie Castillo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leslie Castillo's NPI active?
- Yes — Leslie Castillo's NPI (1821976184) is active in the NPPES registry as of the last update on 2025-10-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.