Michelle Louise Bay, FNP-C

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

2019002146 Issued in MO

Practice address

100 S 4TH St Ste 550
Saint Louis, MO 63102-1897

Phone

(866) 849-0692

NPI assigned

Jan 7, 2020

Sex

Female

Sole proprietor

No

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

Specialties & licenses 6

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: No

Green means eligible to order or refer.

Enrollment records 1

Merit-based Incentive Payment System (MIPS)

Final score

77.88 of 100Reported as group

Quality

69

Improvement activities

40

Cost

49.76

Medicare enrollment (NPD)

Enrolled

State licenses

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

{
    "created_epoch": "1578355200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784764800000",
    "number": "1679113708",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 735378",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606735378",
            "telephone_number": "877-787-3430"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 S 4TH ST STE 550",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631021897",
            "telephone_number": "866-849-0692"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2401 W Grand St",
            "address_purpose": "LOCATION",
            "city": "Springfield",
            "state": "MO",
            "postal_code": "658024967",
            "country_code": "US",
            "telephone_number": "417-864-4545",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BAY",
        "first_name": "MICHELLE",
        "middle_name": "LOUISE",
        "credential": "FNP-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-01-07",
        "last_updated": "2026-07-23",
        "certification_date": "2026-07-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "AL",
            "license": "3-002902",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "AZ",
            "license": "TEMP343137",
            "primary": false
        },
        {
            "code": "363LP2300X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Primary Care",
            "state": "MO",
            "license": "2019002146",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "HI",
            "license": "5855",
            "primary": false
        },
        {
            "code": "363LP2300X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Primary Care",
            "state": "IA",
            "license": "A190248",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "MO",
            "license": "2019002146",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jacob Gerard Bava, BA, MED
• Michael D Bavlsik, MD
• Megan Elizabeth Bax, MSW/LCSW
• Rebecca D Baxter, M.A., P.L.P.C.
• Anna I Bay, MSW
• Bayada Home Health Care, Inc.
• Miyunna Bayan
• Cheryl Bayens, FNP
• Agnes Elisabeth Bayer, CPNP
• Caitlin Bayer

• Family Nurse Practitioner in Saint Louis, MO
• Providers in Saint Louis, MO by specialty
• Family Nurse Practitioner in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 23, 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.