Molly Oosthuysen, FNP-BC

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

APN0000032244 Issued in TN

Practice address

907 E Lamar Alexander Pkwy
Maryville, TN 37804-5015

Phone

(865) 980-4897

Fax

(865) 977-4722

NPI assigned

Dec 22, 2015

Last updated

Oct 30, 2025By 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 3

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in TN

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

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/
• Direct secure messaging: moosthuysen864479@direct.ghs.myhfn.org

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

• Allergy Specialists of Knoxville PLLC

  • Allergy & Immunology Physician
  • Knoxville, TN
  • NPI 1275586224
  Medicare reassignment NPD
• Blount Memorial Physician Group, Inc

  • Family Medicine Physician
  • Alcoa, TN
  • NPI 1699710194
  Medicare reassignment NPD
• Dream Care TN PLLC

  dba Dream Care Sleep

  • Sleep Disorder Diagnostic Clinic/Center
  • Knoxville, TN
  • NPI 1821970229
  NPD

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

{
    "created_epoch": "1450742400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761782400000",
    "number": "1154786937",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 E MCBEE AVE FL 4",
            "city": "GREENVILLE",
            "state": "SC",
            "postal_code": "296012842"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "907 E LAMAR ALEXANDER PKWY",
            "city": "MARYVILLE",
            "state": "TN",
            "postal_code": "378045015",
            "telephone_number": "865-980-4897",
            "fax_number": "865-977-4722"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1346 Dowell Springs Blvd",
            "address_purpose": "LOCATION",
            "city": "Knoxville",
            "state": "TN",
            "postal_code": "379092453",
            "country_code": "US",
            "telephone_number": "865-588-2753",
            "fax_number": "865-588-7418",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "OOSTHUYSEN",
        "first_name": "MOLLY",
        "credential": "FNP-BC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-12-22",
        "last_updated": "2025-10-30",
        "certification_date": "2025-10-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "TN",
            "license": "APN0000032244",
            "primary": true
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "VA",
            "license": "F1015311",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "OH",
            "license": "F1015311",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "Q079759",
            "state": "TN"
        }
    ],
    "endpoints": [],
    "other_names": []
}

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• Family Nurse Practitioner in Maryville, TN
• Providers in Maryville, TN by specialty
• Family Nurse Practitioner in Tennessee

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 30, 2025; 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.