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Diagnostic Radiology

Maria Joh, MD

Works at hospitals in Chicago, IL · Oak Park, IL · Illinois

Summary

Maria Joh, MD (Diagnostic Radiology) is listed by Medicare at 2 hospitals in Chicago, IL and Oak Park, IL. NPI 1508230491. 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 Maria Joh, 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

Diagnostic RadiologyPrimary specialty
YesAccepts Medicare assignment
7Years since medical school (graduated 2019)
Northwestern University Feinberg Medical SchoolMedical school
FemaleGender (as listed)
The Board of Trustees of the University of IllinoisGroup practice (+2 more)

Quick answers

Which hospitals does Maria Joh work at?
Medicare's official clinician data lists Maria Joh at 2 hospitals: University of Illinois Hospital and Clinics and West Suburban Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Maria Joh see patients?
Medicare's clinician data lists 5 practice locations, including Chicago, IL, Deer Park, IL and Northbrook, IL. Call before your visit to confirm the address.
What is Maria Joh's specialty?
Medicare lists Diagnostic Radiology as the primary specialty.
Does Maria Joh accept Medicare assignment?
Yes. Medicare's clinician data says Maria Joh 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 Maria Joh?
(847) 550-6740, as listed in official Medicare / NPI Registry data.
What is Maria Joh's NPI number?
1508230491. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Maria Joh works

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

Group practices

Medicare enrollment lists Maria Joh as a member of these groups (CMS data updated 2026-10-02).

  • The Board of Trustees of the University of Illinois1,150 clinicians in the group
  • Smi Imaging LLC384 clinicians in the group
  • Howard Simon MD PLLC60 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Illinois →

Other radiologists in Chicago

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

All radiologists in Chicago →

Clinician information

CredentialMD
Medical schoolNorthwestern University Feinberg Medical School
Graduation year2019
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1508230491
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