Individual provider Active NPI

Aaron Case, M.D

  • Pulmonary Disease Physician
  • Saint Louis, MO
National Provider Identifier
1649633462
Registry record updated Aug 29, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pulmonary Disease PhysicianTaxonomy code 207RP1001X
License
2025028192 Issued in MO
Practice address
1 Barnes Jewish Hospital PLZ
Saint Louis, MO 63110-1003
Phone
(314) 454-8917
Fax
(314) 454-7524
NPI assigned
Mar 30, 2016
Last updated
Aug 29, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 29, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 5

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X NU
Critical Care Medicine (Anesthesiology) Physician 207LC0200X 2025028192 MO
Emergency Medicine Physician 207P00000X 36148680 IL
Internal Medicine Physician 207R00000X 2025028192 MO
Pulmonary Disease Physician 207RP1001X 2025028192 MO Primary

Addresses

Primary practice location

1 Barnes Jewish Hospital PLZ
Saint Louis, MO 63110-1003

Mailing address

PO Box 7412011
Chicago, IL 60674-2011
Phone (314) 273-6249

Other practice location 1

1740 W Taylor St
Chicago, IL 60612-7232
Phone (312) 996-8337

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MO
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250829002361 MO Practitioner - Pulmonary DiseasePractitioner - AnesthesiologyPractitioner - Critical Care (Intensivists) 8820383748 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Pulmonary DiseaseAlso: Anesthesiology, Critical Care (Intensivists)
Education
University of Illinois College of Med (CHI/Peor/Rock/CHM-Urb), 2016
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Washington UniversityGroup PAC ID 9830008770, shared by 49 NPIs, 2,968 clinicians

Practice addresses (Care Compare)

1 Barnes Jew Hosp PLZ
Saint Louis, MO 63110-1003
Phone (314) 747-3000

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
36148680ILMDEmergency Medicine Physician
2025028192MOMDPulmonary Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Washington University CurrentSince Aug 1, 2025 Accepting new patients
Washington University CurrentSince Aug 1, 2025 Accepting new patients
Washington University CurrentSince Aug 1, 2025 Accepting new patients

Locations

1 Barnes Hsp Plz
Saint Louis, MO 63110
Phone (314) 273-4966

1 Barnes Jewish Hospital Plz
Saint Louis, MO 63110
Phone (314) 362-1700

1234 S Kingshighway Blvd
Ste 1100
Saint Louis, MO 63110

8 Millstone Campus Dr
Saint Louis, MO 63146
Phone (314) 273-4375

Organizations & group practices 3

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 5

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1459296000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756425600000",
    "number": "1649633462",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 7412011",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606742011",
            "telephone_number": "314-273-6249",
            "fax_number": "314-747-5157"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 BARNES JEWISH HOSPITAL PLZ",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631101003",
            "telephone_number": "314-454-8917",
            "fax_number": "314-454-7524"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1740 W Taylor St",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "606127232",
            "country_code": "US",
            "telephone_number": "312-996-8337",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CASE",
        "first_name": "AARON",
        "credential": "M.D",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-03-30",
        "last_updated": "2025-08-29",
        "certification_date": "2025-08-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "207LC0200X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Critical Care Medicine",
            "state": "MO",
            "license": "2025028192",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "IL",
            "license": "36148680",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MO",
            "license": "2025028192",
            "primary": false
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "MO",
            "license": "2025028192",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Saint Louis, MO

Sources for this page

Verify at the official NPI Registry.