Milissa A. Underwood, BCBA

Primary specialty

Behavior AnalystTaxonomy code 103K00000X

License

1-09-5248

Practice address

12430 Tesson Ferry Rd # 102
Saint Louis, MO 63128-2702

Phone

(855) 832-6727

NPI assigned

Jan 17, 2011

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

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

{
    "created_epoch": "1295222400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771545600000",
    "number": "1922303304",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7108 S KANNER HWY",
            "city": "STUART",
            "state": "FL",
            "postal_code": "349977462",
            "telephone_number": "855-832-6727"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "12430 TESSON FERRY RD # 102",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631282702",
            "telephone_number": "855-832-6727"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "7108 S Kanner Hwy",
            "address_purpose": "LOCATION",
            "city": "Stuart",
            "state": "FL",
            "postal_code": "349977462",
            "country_code": "US",
            "telephone_number": "855-832-6727",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "400 W Capitol Ave",
            "address_purpose": "LOCATION",
            "city": "Little Rock",
            "state": "AR",
            "postal_code": "722013436",
            "country_code": "US",
            "telephone_number": "855-832-6727",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "UNDERWOOD",
        "first_name": "MILISSA",
        "middle_name": "A.",
        "credential": "BCBA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2011-01-17",
        "last_updated": "2026-02-20",
        "certification_date": "2026-02-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103K00000X",
            "taxonomy_group": "",
            "desc": "Behavior Analyst",
            "state": null,
            "license": "1-09-5248",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "018534800",
            "state": "FL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Under Grace Home Health Agency LLC
• Grant N Underhill, LCSW
• Rachel Erin Underhill, CCC-SLP
• Lindsay Ann Underwood, ACNP
• Mary Underwood
• Unfailing Love CRC (Community Resource Center)
• Unforgiving Love Home Health Services LLC
• Bridget Ellen Unger, M.H.S. CCC-SLP
• Joseph Frank Unger Jr., D.C.
• Rebecca Rae Unger, D.O

• Behavior Analyst in Saint Louis, MO
• Providers in Saint Louis, MO by specialty
• Behavior Analyst in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 20, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.