Dr. Elena Dillmann , DO
Pediatrics β’ Oak Lawn, IL
4220 W 95th St Ste 201
Oak Lawn, IL 604532793
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
Practice Location & Contact Primary Location
4220 W 95th St Ste 201
Oak Lawn, IL 604532793
What Public CMS Data Show
Pediatrics: NPPES taxonomy is a reported classification, not proof of board certification.
Industry payments (Open Payments)
No Open Payments records are listed for this clinician for 2019β2025.
NPI first issued
2024
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Medicare assignment not listed
CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians; Medicare.gov, βDoes your provider accept Medicare as full payment?β
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Compared with the same specialty in Oak Lawn and Illinois
115 active clinicians are listed under Pediatrics with a practice address in Oak Lawn, IL (3,178 in Illinois).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Oak Lawn
0% of these 115 clinicians have the CMS telehealth indicator.
4.3% of these 115 clinicians are listed by CMS as accepting Medicare assignment.
Sources: CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo Β· Report an error.
Specialties & License Numbers Reported to NPPES
Self-certified to NPPES: 2025-08-13NUCC Taxonomy Code: 208000000X
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
NUCC Taxonomy Code: 390200000X
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
Registered at 2724 MIDLAND DR, NAPERVILLE, IL 605648976 (Tel: 6304531573)
Recorded as ELENA DILLMANN, DO
NPI status registered as active in NPPES database
Registered at 4220 W 95TH ST STE 201, OAK LAWN, IL 604532793 (Tel: 3129494200)
Registered at 2705 MIDLAND DR, NAPERVILLE, IL 605648514 (Tel: 6304531573)
Recorded as ELENA NICHOLSON, DO
Student in an Organized Health Care Education/Training Program
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Mailing Address
2724 Midland Dr
Naperville, IL 605648976
Phone: 6304531573