Holly Mellenthin

Primary specialty

Occupational Therapy AssistantTaxonomy code 224Z00000X

License

57002654 Issued in IL

Practice address

6800 State Route 162
Maryville, IL 62062-8500

Phone

(618) 635-2200

Fax

(618) 635-2200

NPI assigned

Jul 10, 2026

Last updated

Jul 10, 2026By the provider in NPPES

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

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

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

{
    "created_epoch": "1783641600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783641600000",
    "number": "1902725468",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6800 STATE ROUTE 162",
            "city": "MARYVILLE",
            "state": "IL",
            "postal_code": "620628500",
            "telephone_number": "618-635-2200",
            "fax_number": "618-635-2200"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6800 STATE ROUTE 162",
            "city": "MARYVILLE",
            "state": "IL",
            "postal_code": "620628500",
            "telephone_number": "618-635-2200",
            "fax_number": "618-635-2200"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MELLENTHIN",
        "first_name": "HOLLY",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-07-10",
        "last_updated": "2026-07-10",
        "certification_date": "2026-07-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "224Z00000X",
            "taxonomy_group": "",
            "desc": "Occupational Therapy Assistant",
            "state": "IL",
            "license": "57002654",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Laura E. McKinzie, NP
• Katrina McNair-Smith, MS,CCC-A
• Anna McNamara, PT, DPT
• McPherson Medical & Diagnostic LLC (American Medical Missouri)
• Med Plus Physical Medicine LLC
• Jaime Renee Mendoza, PMHNP
• Mercy Clinic Specialists Services-Illinois LLC
• Mercy Clinic Surgical Specialists-Illinois LLC
• Heather Rae Merkle, LCPC
• Natalie Messina

• Occupational Therapy Assistant in Maryville, IL
• Providers in Maryville, IL by specialty
• Occupational Therapy Assistant in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 10, 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.