Jennifer Messersmith

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

2016013126 Issued in MO

Practice address

807 Collins Dr
Festus, MO 63028-2346

Phone

(573) 756-5353

NPI assigned

Nov 17, 2009

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

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Practice roles

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.

• Advanced Psychiatric Services Inc

  • Psychiatry Physician
  • Festus, MO
  • NPI 1154372464
  NPD (past)

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

{
    "created_epoch": "1258416000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780963200000",
    "number": "1891022562",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1085 MAPLE ST",
            "city": "FARMINGTON",
            "state": "MO",
            "postal_code": "636401955",
            "telephone_number": "573-756-5353"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "807 COLLINS DR",
            "city": "FESTUS",
            "state": "MO",
            "postal_code": "630282346",
            "telephone_number": "573-756-5353"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MESSERSMITH",
        "first_name": "JENNIFER",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2009-11-17",
        "last_updated": "2026-06-09",
        "certification_date": "2026-06-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "MO",
            "license": "2016013126",
            "primary": true
        },
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Mercy Hospital Jefferson
• Mercy Hospital Jefferson
• Mercy Pharmacy Services, LLC
• Sean Merk, DPT
• Amie Lynn Merz
• Metro Heart Group of St. Louis, Inc.
• Metro Hypertension & Kidney Center PC
• Amy Metzner-Zelle
• Katherine R Meyer, OCCUPATIONAL THERAPI
• Tessa Darlene Michaud, MSW, LCSW

• Clinical Social Worker in Festus, MO
• Providers in Festus, MO by specialty
• Clinical Social Worker in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 9, 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.