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

Emergency Medicine

Joshua Ruff, MD

Works at hospitals in Chicago, IL · Dekalb, IL · Sandwich, IL · Illinois

Summary

Joshua Ruff, MD (Emergency Medicine) is listed by Medicare at 3 hospitals in Chicago, IL, Dekalb, IL and Sandwich, IL. NPI 1659839827. 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 Joshua Ruff, 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
7Years since medical school (graduated 2019)
Rush Medical College Of Rush UniversityMedical school
MaleGender (as listed)
Community First Healthcare of Illinois IncGroup practice

Quick answers

Which hospitals does Joshua Ruff work at?
Medicare's official clinician data lists Joshua Ruff at 3 hospitals: Community First Medical Center, Northwestern Medicine Kishwaukee Hospital and Valley West Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Joshua Ruff see patients?
Medicare's clinician data lists 1 practice location in Chicago, IL. Call before your visit to confirm the address.
What is Joshua Ruff's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Joshua Ruff accept Medicare assignment?
Yes. Medicare's clinician data says Joshua Ruff 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 Joshua Ruff?
(773) 282-7000, as listed in official Medicare / NPI Registry data.
What is Joshua Ruff's NPI number?
1659839827. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Joshua Ruff works

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

Group practices

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

  • Community First Healthcare of Illinois Inc45 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Illinois →

Other emergency medicine doctors in Chicago

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

All emergency medicine doctors in Chicago →

Clinician information

CredentialMD
Medical schoolRush Medical College Of Rush University
Graduation year2019
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1659839827
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