Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1821976184 Individual Practitioner Female Practitioner

Dr. Leslie Castillo , AuD

Audiologist • Glen Ellyn, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Leslie Castillo, AuD is a certified Audiologist practicing in Glen Ellyn, IL. With approximately 1 years of clinical experience since completing medical education in 2025, Dr. Castillo delivers high-quality medical care to the local community at 430 PENNSYLVANIA AVE STE 330.

Dr. Castillo is affiliated with Dupage Medical Group Ltd and accepts Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

430 Pennsylvania Ave Ste 330

Glen Ellyn, IL 601374464

Telephone 6305457650
Fax 6307182655
Associated Practice Facility / Clinic
🏢 Dupage Medical Group Ltd Facility NPI 1801833983

Medicare Profile & Education

Medical School

Other

Graduation Year

2025

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Audiologist in Glen Ellyn, IL

Rising Specialist (<5 Yrs)
Practitioner Clinical Experience
1 Yrs -10.4 yrs vs City Avg
City Avg: 11.4 Yrs
State Avg: 17.5 Yrs
Regional Practice Density
14 Specialists

Practicing in Glen Ellyn, IL (882 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Castillo (1 Years) 1 Yrs
Glen Ellyn Specialty Average (11.4 Years) 11.4 Yrs

Medical Specialties & State Licenses

CMS Verified: 2025-10-06
Audiologist Primary Specialty

NUCC Taxonomy Code: 231H00000X

State License IL 147.012213

(1) A specialist in evaluation, habilitation and rehabilitation of those whose communication disorders center in whole or in part in hearing function. Audiologists are autonomous professionals who identify, assess, and manage disorders of the auditory, balance and other neural systems. Audiologists provide audiological (aural) rehabilitation to children and adults across the entire age span. Audiologists select, fit and dispense amplification systems such as hearing aids and related devices. (2) An audiologist is a person qualified by a master's degree in audiology, licensed by the state, where applicable, and practicing within the scope of that license. Audiologists evaluate and treat patients with impaired hearing. They plan, direct and conduct rehabilitative programs with audiotry substitutional devises (hearing aids) and other therapy.

Hospital & Practice Group Affiliations

Dupage Medical Group Ltd

430 Pennsylvania Ave, Glen Ellyn, IL 601374464

Phone: 6304699200

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

11 Associated Practitioners
NPI 1013596485

Doctor of Audiology

NPI 1093553091

Doctor of Audiology

NPI 1154215192

Doctor of Audiology

NPI 1205711504

Doctor of Audiology

NPI 1295388577

Doctor of Audiology

Dr. Julia Leider , DPT

Physical Therapist

NPI 1356222152

Doctor of Physical Therapy

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

7 Historical Events
📍
Updated Business Mailing Address October 06, 2025

Registered at PO BOX 713260, CHICAGO, IL 606771260 (Tel: 6304699200)

NPI Profile Active August 25, 2025

NPI status registered as active in NPPES database

📍
Updated Practice Location August 25, 2025

Registered at 430 PENNSYLVANIA AVE STE 330, GLEN ELLYN, IL 601374464 (Tel: 6305457650)

📍
Updated Business Mailing Address August 25, 2025

Registered at 430 PENNSYLVANIA AVE STE 330, GLEN ELLYN, IL 601374464 (Tel: 6305457650)

👤
Provider Name / Credentials Updated August 25, 2025

Recorded as LESLIE CASTILLO, AU.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) August 25, 2025

Audiologist (License #147.012213 in IL)

🟢
Initial NPI Registration & Enumeration August 25, 2025

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1821976184
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: August 25, 2025
Last Update: October 06, 2025
Sole Proprietor: No

Mailing Address

Po Box 713260

Chicago, IL 606771260

Phone: 6304699200

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.