Margaret Irene Kowalski, MD

Primary specialty

Pediatric Emergency Medicine (Emergency Medicine) PhysicianTaxonomy code 207PP0204X

License

2023028743 Issued in MO

Practice address

1 Childrens PL
Div Ped Emergency Med
Saint Louis, MO 63110-1002

Phone

(314) 454-2341

Fax

(314) 454-4345

NPI assigned

Jun 30, 2022

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Other identifiers 1

Electronic endpoints 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

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.

Specialty

Pediatric MedicineAlso: Emergency Medicine, Hospitalist

Education

University of Kansas School of Med (KC/Wich/Sal), 2021

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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

{
    "created_epoch": "1656547200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787616000000",
    "number": "1902538507",
    "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": "314-454-2341",
            "fax_number": "314-454-4345"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 CHILDRENS PL",
            "address_2": "DIV PED EMERGENCY MED",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631101002",
            "telephone_number": "314-454-2341",
            "fax_number": "314-454-4345"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KOWALSKI",
        "first_name": "MARGARET",
        "middle_name": "IRENE",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-06-30",
        "last_updated": "2026-08-25",
        "certification_date": "2025-05-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "MO",
            "license": "2023028743",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "MO",
            "license": "2023028743",
            "primary": false
        },
        {
            "code": "207PP0204X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine, Pediatric Emergency Medicine",
            "state": "MO",
            "license": "2023028743",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200111858",
            "state": "MO"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "Y",
            "affiliationName": "Washington University",
            "address_1": "1 Childrens Pl",
            "address_2": "Div Ped Emergency Med",
            "city": "Saint Louis",
            "state": "MO",
            "country_code": "US",
            "postal_code": "631101002",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Larisa V Kovaleva, NP
• Svetlana Kovaleva, DO
• Angela Christine Kovarik, MED, EDS, NCSP
• Kate Kovarik
• Elizabeth Susan Ray Kowalik, LCSW
• Mark Kowalski, D.O.
• Rachel H Kowalsky, MD
• Anne Kowert, OTR/L
• Panduranga Rao Koya, M.D.
• Kelsey Jo Koyanagi, CRNA

• Pediatric Emergency Medicine (Emergency Medicine) Physician in Saint Louis, MO
• Providers in Saint Louis, MO by specialty
• Pediatric Emergency Medicine (Emergency Medicine) Physician in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 25, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.