NPIMap

Individual provider Active NPI

Brett William Jagger, MD

  • Infectious Disease Physician
  • Saint Louis, MO
National Provider Identifier
1730528035
Registry record updated Dec 22, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Infectious Disease PhysicianTaxonomy code 207RI0200X
License
2023000978 Issued in MO
Practice address
1225 S Grand Blvd
Saint Louis, MO 63104-1016
Phone
(314) 977-9050
NPI assigned
Jun 19, 2013
Last updated
Dec 22, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 22, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Infectious Disease Physician 207RI0200X 2023000978 MO Primary

Addresses

Primary practice location

1225 S Grand Blvd
Saint Louis, MO 63104-1016

Mailing address

1008 S Spring Ave
Saint Louis, MO 63110-2520

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MO, IL2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20180807002809 MO Practitioner - Infectious DiseasePractitioner - Internal Medicine 9436388873 Reassigns benefits to 2 organizations
I20260225002289 IL Practitioner - Infectious Disease 9436388873 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Infectious DiseaseAlso: Internal Medicine
Education
Indiana University School of Medicine, 2013
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
SSM Health Care GroupGroup PAC ID 0143608372, 929 clinicians

Practice addresses (Care Compare)

1201 S Grand Blvd
Saint Louis, MO 63104-1016
Phone (314) 617-2000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
84.94 of 100Reported as group
Quality
68.52
Promoting interoperability
100
Improvement activities
40
Cost
72.22

Merit-based Incentive Payment System (MIPS)

Final score
97.1 of 100Reported as group
Quality
85.82
Promoting interoperability
100
Improvement activities
40
Cost
77.4

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
SSM Health Care Group Infectious Disease CurrentSince Feb 1, 2023 Accepting new patients
Western Michigan University School of Medicine CurrentSince Nov 12, 2024 Accepting new patients
Michigan State University Kalamazoo Center for Medical Studies Current Accepting new patients
Physician Services Corporation of Southern Illinois Inc. CurrentSince Feb 8, 2026 Accepting new patients
SSM Health Care Group CurrentSince Feb 1, 2023 Accepting new patients
SSM Medical Group Inc. Past Accepting new patients

Locations

1 Good Samaritan Way
Mount Vernon, IL 62864
Phone (618) 242-4600

2 Good Samaritan Way
Ste 320
Mount Vernon, IL 62864
Phone (618) 899-1944

1000 Oakland Dr
Kalamazoo, MI 49008
Phone (269) 337-4347

10101 Woodfield Ln
Saint Louis, MO 63132
Phone (608) 280-4647

1201 S Grand Blvd
Saint Louis, MO 63104
Phone (314) 257-1320

1225 S Grand Blvd
Saint Louis, MO 63104
Phone (314) 257-3390

1225 S Grand Blvd
#45
Saint Louis, MO 63104

Interoperability endpoints

  • Direct secure messaging: bjagger445087@direct-ehr-ssmhc.com

Organizations & group practices 7

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 2

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": "1371600000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1766361600000",
    "number": "1730528035",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1008 S SPRING AVE",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631102520"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1225 S GRAND BLVD",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631041016",
            "telephone_number": "314-977-9050"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JAGGER",
        "first_name": "BRETT",
        "middle_name": "WILLIAM",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2013-06-19",
        "last_updated": "2025-12-22",
        "certification_date": "2025-12-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RI0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Infectious Disease",
            "state": "MO",
            "license": "2023000978",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Saint Louis, MO

Sources for this page

Verify at the official NPI Registry.