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Critical Care (Intensivists)

Matthew A. Weiss, MD

Works at hospitals in Oak Lawn, IL · Evergreen Park, IL · Illinois

Summary

Matthew A. Weiss, MD (Critical Care (Intensivists)) is listed by Medicare at 2 hospitals in Oak Lawn, IL and Evergreen Park, IL. NPI 1487146486. 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 A. Weiss, 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

Critical Care (Intensivists)Primary specialty
YesAccepts Medicare assignment
8Years since medical school (graduated 2018)
University Of Illinois College Of Med (chi/peor/rock/chm-Urb)Medical school
MaleGender (as listed)
Advocate Health and Hospitals CorporationGroup practice (+1 more)

Quick answers

Which hospitals does Matthew A. Weiss work at?
Medicare's official clinician data lists Matthew A. Weiss at 2 hospitals: Advocate Christ Hospital & Medical Center and OSF Little Company of Mary Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Matthew A. Weiss see patients?
Medicare's clinician data lists 2 practice locations, including Palos Park, IL and Oak Lawn, IL. Call before your visit to confirm the address.
What is Matthew A. Weiss's specialty?
Medicare lists Critical Care (Intensivists) as the primary specialty, and also Internal Medicine.
Does Matthew A. Weiss accept Medicare assignment?
Yes. Medicare's clinician data says Matthew A. Weiss 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 Matthew A. Weiss?
(708) 274-4900, as listed in official Medicare / NPI Registry data.
What is Matthew A. Weiss's NPI number?
1487146486. 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 A. Weiss works

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

Group practices

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

  • Advocate Health and Hospitals Corporation3,118 clinicians in the group
  • Midwest Pulmonary Critical Care and Sleep Consultants LLC32 clinicians in the group

Specialties

Find other Critical Care (Intensivists) doctors in Illinois →

Other critical care doctors in Illinois

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

All critical care doctors in Illinois →

Clinician information

CredentialMD
Medical schoolUniversity Of Illinois College Of Med (chi/peor/rock/chm-Urb)
Graduation year2018
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1487146486
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