Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Emergency Medicine

Adam Gruner, MD

Works at hospitals in Berwyn, IL · Illinois

Summary

Adam Gruner, MD (Emergency Medicine) is listed by Medicare at 1 hospital in Berwyn, IL. NPI 1235524091. 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 Adam Gruner, 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
11Years since medical school (graduated 2015)
MaleGender (as listed)
Cepamerica Illinois LLPGroup practice

Quick answers

Which hospitals does Adam Gruner work at?
Medicare's official clinician data lists Adam Gruner at 1 hospital: MacNeal Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Adam Gruner see patients?
Medicare's clinician data lists 1 practice location in Kankakee, IL. Call before your visit to confirm the address.
What is Adam Gruner's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Adam Gruner accept Medicare assignment?
Yes. Medicare's clinician data says Adam Gruner 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 Adam Gruner?
(815) 937-2100, as listed in official Medicare / NPI Registry data.
What is Adam Gruner's NPI number?
1235524091. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Adam Gruner works

Medicare's Facility Affiliation Data lists Adam Gruner 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 Adam Gruner is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Adam Gruner as a member of this group (CMS data updated 2026-10-02).

  • Cepamerica Illinois LLP499 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Illinois →

Other emergency medicine doctors in Kankakee

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

All emergency medicine doctors in Kankakee →

Clinician information

CredentialMD
Graduation year2015
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1235524091
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