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

Emergency Medicine

James Klein, MD

Works at hospitals in Chester, IL · Illinois

Summary

James Klein, MD (Emergency Medicine) is listed by Medicare at 1 hospital in Chester, IL. NPI 1578591384. 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 James Klein, 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
48Years since medical school (graduated 1978)
MaleGender (as listed)
Memorial HospitalGroup practice

Quick answers

Which hospitals does James Klein work at?
Medicare's official clinician data lists James Klein at 1 hospital: Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does James Klein see patients?
Medicare's clinician data lists 1 practice location in Chester, IL. Call before your visit to confirm the address.
What is James Klein's specialty?
Medicare lists Emergency Medicine as the primary specialty, and also Family Practice.
Does James Klein accept Medicare assignment?
Yes. Medicare's clinician data says James Klein 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 James Klein?
(618) 826-4581, as listed in official Medicare / NPI Registry data.
What is James Klein's NPI number?
1578591384. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where James Klein works

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

Group practices

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

  • Memorial Hospital30 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Illinois →

Other emergency medicine doctors in Illinois

Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.

All emergency medicine doctors in Illinois →

Clinician information

CredentialMD
Graduation year1978
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1578591384
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