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Internal Medicine

Joanna E. Janas-Kaminsky, MD

Works at hospitals in Mount Vernon, IL · O Fallon, IL · Belleville, IL … · Illinois, Missouri

Summary

Joanna E. Janas-Kaminsky, MD (Internal Medicine) is listed by Medicare at 5 hospitals in Mount Vernon, IL, O Fallon, IL and Belleville, IL and other places. NPI 1194811430. 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 Joanna E. Janas-Kaminsky, 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
35Years since medical school (graduated 1991)
FemaleGender (as listed)
SSM Medical Group IncGroup practice

Quick answers

Which hospitals does Joanna E. Janas-Kaminsky work at?
Medicare's official clinician data lists Joanna E. Janas-Kaminsky at 5 hospitals: Good Samaritan Regional Health Center, HSHS St Elizabeth's Hospital, Memorial Hospital, SSM Health St Mary's Hospital - St Louis and SSM Health St Mary's Hospital -Centralia. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Joanna E. Janas-Kaminsky see patients?
Medicare's clinician data lists 1 practice location in O Fallon, IL. Call before your visit to confirm the address.
What is Joanna E. Janas-Kaminsky's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Joanna E. Janas-Kaminsky accept Medicare assignment?
Yes. Medicare's clinician data says Joanna E. Janas-Kaminsky 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 Joanna E. Janas-Kaminsky?
(618) 222-9244, as listed in official Medicare / NPI Registry data.
What is Joanna E. Janas-Kaminsky's NPI number?
1194811430. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Joanna E. Janas-Kaminsky works

Medicare's Facility Affiliation Data lists Joanna E. Janas-Kaminsky 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 Joanna E. Janas-Kaminsky is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Joanna E. Janas-Kaminsky as a member of this group (CMS data updated 2026-10-02).

  • SSM Medical Group Inc568 clinicians in the group

Specialties

Find other Internal Medicine doctors in Illinois →

Other internal medicine doctors in O Fallon

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

All internal medicine doctors in O Fallon →

Clinician information

CredentialMD
Graduation year1991
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1194811430
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