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

Internal Medicine

Joseph Mun, MD

Works at hospitals in Libertyville, IL · Chicago, IL · Lake Forest, IL … · Illinois

Summary

Joseph Mun, MD (Internal Medicine) is listed by Medicare at 4 hospitals in Libertyville, IL, Chicago, IL and Lake Forest, IL and other places. NPI 1588635940. 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 Joseph Mun, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
29Years since medical school (graduated 1997)
Loyola University Of Chicago, Stritch School Of MedicineMedical school
MaleGender (as listed)

Quick answers

Which hospitals does Joseph Mun work at?
Medicare's official clinician data lists Joseph Mun at 4 hospitals: Advocate Condell Medical Center, Advocate Illinois Masonic Medical Center, Northwestern Lake Forest Hospital and Vista Medical Center East. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Joseph Mun see patients?
Medicare's clinician data lists 1 practice location in Gurnee, IL. Call before your visit to confirm the address.
What is Joseph Mun's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Joseph Mun accept Medicare assignment?
Yes. Medicare's clinician data says Joseph Mun 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 Joseph Mun?
(847) 855-0300, as listed in official Medicare / NPI Registry data.
What is Joseph Mun's NPI number?
1588635940. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Joseph Mun works

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

Specialties

Find other Internal Medicine doctors in Illinois →

Other internal medicine doctors in Gurnee

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

All internal medicine doctors in Gurnee →

Clinician information

CredentialMD
Medical schoolLoyola University Of Chicago, Stritch School Of Medicine
Graduation year1997
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1588635940
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