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Pulmonary Disease

Aaron S. Case, MD

Works at hospitals in Saint Louis, MO · Creve Coeur, MO · Missouri

Summary

Aaron S. Case, MD (Pulmonary Disease) is listed by Medicare at 4 hospitals in Saint Louis, MO and Creve Coeur, MO. NPI 1649633462. 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 Aaron S. Case, 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

Pulmonary DiseasePrimary specialty
YesAccepts Medicare assignment
10Years since medical school (graduated 2016)
University Of Illinois College Of Med (chi/peor/rock/chm-Urb)Medical school
MaleGender (as listed)
Washington UniversityGroup practice

Quick answers

Which hospitals does Aaron S. Case work at?
Medicare's official clinician data lists Aaron S. Case at 4 hospitals: Barnes Jewish Hospital, Barnes-Jewish West County Hospital, Christian Hospital Northeast and Missouri Baptist Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Aaron S. Case see patients?
Medicare's clinician data lists 1 practice location in Saint Louis, MO. Call before your visit to confirm the address.
What is Aaron S. Case's specialty?
Medicare lists Pulmonary Disease as the primary specialty, and also Anesthesiology and Critical Care (Intensivists).
Does Aaron S. Case accept Medicare assignment?
Yes. Medicare's clinician data says Aaron S. Case 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 Aaron S. Case?
(314) 747-3000, as listed in official Medicare / NPI Registry data.
What is Aaron S. Case's NPI number?
1649633462. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Aaron S. Case works

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

Group practices

Medicare enrollment lists Aaron S. Case as a member of this group (CMS data updated 2026-10-02).

  • Washington University3,029 clinicians in the group

Specialties

Find other Pulmonary Disease doctors in Missouri →

Other pulmonologists in Saint Louis

Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.

All pulmonologists in Saint Louis →

Clinician information

CredentialMD
Medical schoolUniversity Of Illinois College Of Med (chi/peor/rock/chm-Urb)
Graduation year2016
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1649633462
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