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Emergency Medicine

Richard A. Lardner, DO

Works at hospitals in Winfield, IL · Aurora, IL · Illinois

Summary

Richard A. Lardner, DO (Emergency Medicine) is listed by Medicare at 2 hospitals in Winfield, IL and Aurora, IL. NPI 1093392409. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Richard A. Lardner, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Emergency MedicinePrimary specialty
YesAccepts Medicare assignment
5Years since medical school (graduated 2021)
MaleGender (as listed)
Cepamerica Illinois LLPGroup practice (+1 more)

Quick answers

Which hospitals does Richard A. Lardner work at?
Medicare's official clinician data lists Richard A. Lardner at 2 hospitals: Northwestern Medicine Central Dupage Hospital and Presence Mercy Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Richard A. Lardner see patients?
Medicare's clinician data lists 2 practice locations, including Aurora, IL and Winfield, IL. Call before your visit to confirm the address.
What is Richard A. Lardner's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Richard A. Lardner accept Medicare assignment?
Yes. Medicare's clinician data says Richard A. Lardner accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Richard A. Lardner?
(630) 859-2222, as listed in official Medicare / NPI Registry data.
What is Richard A. Lardner's NPI number?
1093392409. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Richard A. Lardner works

Medicare's Facility Affiliation Data lists Richard A. Lardner at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Richard A. Lardner is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Richard A. Lardner as a member of these groups (CMS data updated 2026-10-02).

  • Cepamerica Illinois LLP499 clinicians in the group
  • Central Dupage Emergency Physicians PC38 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Illinois →

Other emergency medicine doctors in Aurora

Clinicians with the same Medicare primary specialty in Aurora, IL — not a recommendation.

All emergency medicine doctors in Aurora →

Clinician information

CredentialDO
Graduation year2021
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1093392409
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians