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Infectious Disease

Matthew Stack, MD

Works at hospitals in Mount Vernon, IL · Saint Louis, MO · Centralia, IL … · Illinois, Missouri

Summary

Matthew Stack, MD (Infectious Disease) is listed by Medicare at 4 hospitals in Mount Vernon, IL, Saint Louis, MO and Centralia, IL and other places. NPI 1962994491. 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 Matthew Stack, 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

Infectious DiseasePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
8Years since medical school (graduated 2018)
Wayne State University School Of MedicineMedical school
MaleGender (as listed)
SSM Health Care GroupGroup practice (+1 more)

Quick answers

Which hospitals does Matthew Stack work at?
Medicare's official clinician data lists Matthew Stack at 4 hospitals: Good Samaritan Regional Hlth Center, SSM Health Saint Louis University Hospital, SSM Health St Mary's Hospital -Centralia and SSM Health St. Mary's Hospital - Jefferson City. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Matthew Stack see patients?
Medicare's clinician data lists 2 practice locations, including Mount Vernon, IL and Saint Louis, MO. Call before your visit to confirm the address.
What is Matthew Stack's specialty?
Medicare lists Infectious Disease as the primary specialty.
Does Matthew Stack accept Medicare assignment?
Yes. Medicare's clinician data says Matthew Stack 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.
Does Matthew Stack offer telehealth?
Medicare's clinician data says Matthew Stack offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Matthew Stack?
(618) 242-4600, as listed in official Medicare / NPI Registry data.
What is Matthew Stack's NPI number?
1962994491. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Matthew Stack works

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

Group practices

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

  • SSM Health Care Group940 clinicians in the group
  • Physician Services Corporation of Southern Illinois Inc120 clinicians in the group

Specialties

Find other Infectious Disease doctors in Illinois →

Other infectious disease doctors in Mount Vernon

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

All infectious disease doctors in Mount Vernon →

Clinician information

CredentialMD
Medical schoolWayne State University School Of Medicine
Graduation year2018
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1962994491
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