Hayley Motowski, M.D.

Primary specialty

Critical Care Medicine (Internal Medicine) PhysicianTaxonomy code 207RC0200X

License

2021047388 Issued in MO

Practice address

615 S New Ballas Rd
Saint Louis, MO 63141-8221

Phone

(314) 251-6486

Fax

(314) 251-4415

NPI assigned

Jun 19, 2019

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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

• Mercy Clinic Adult Hospitalists - St. Louis, LLC

  • Internal Medicine Physician
  • Saint Louis, MO
  • NPI 1841235108
  Medicare reassignment NPD
• Mercy Clinic Adult Hospitalists - Washington, LLC

  • Hospitalist Physician
  • Washington, MO
  • NPI 1891943429
  Medicare reassignment NPD
• Mercy Clinic Adult Hospitalists- Jefferson, LLC

  • Internal Medicine Physician
  • Festus, MO
  • NPI 1083052492
  Medicare reassignment NPD
• Washington University Physicians in Illinois, Inc

  • Multi-Specialty Clinic/Center
  • Saint Louis, MO
  • NPI 1457203135
  NPD (past)

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

{
    "created_epoch": "1560902400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787097600000",
    "number": "1124688296",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "615 S NEW BALLAS RD",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631418221",
            "telephone_number": "314-251-6486",
            "fax_number": "314-251-4155"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "615 S NEW BALLAS RD",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631418221",
            "telephone_number": "314-251-6486",
            "fax_number": "314-251-4415"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "10010 Kennerly Rd",
            "address_purpose": "LOCATION",
            "city": "Saint Louis",
            "state": "MO",
            "postal_code": "631282106",
            "country_code": "US",
            "telephone_number": "314-525-4137",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1400 US Highway 61",
            "address_purpose": "LOCATION",
            "city": "Crystal Cty",
            "state": "MO",
            "postal_code": "630284108",
            "country_code": "US",
            "telephone_number": "636-933-5337",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "901 E 5th St",
            "address_purpose": "LOCATION",
            "city": "Washington",
            "state": "MO",
            "postal_code": "630903127",
            "country_code": "US",
            "telephone_number": "636-239-8245",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MOTOWSKI",
        "first_name": "HAYLEY",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-06-19",
        "last_updated": "2026-08-19",
        "certification_date": "2026-08-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "MO",
            "license": "2021047388",
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "MO",
            "license": "2021047388",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Mother of Good Counsel Home
• Mother of Perpetual Help Residence
• Shruthi Mothkur, DO
• Thomas Henry Motier, M.D.
• Khadijah Motley
• Keirstin A Mott, PA-C
• Maria T Motta
• Lisa Marie Mottola Ernst, LCSW
• Danny Mou, MD
• Kathleen Moulder

• Critical Care Medicine (Internal Medicine) Physician in Saint Louis, MO
• Providers in Saint Louis, MO by specialty
• Critical Care Medicine (Internal Medicine) Physician in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 19, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.