Maryellen Johnson, FNP

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

39345 Issued in TN

Practice address

3225 East Aj Hwy
Greeneville, TN 37745-4066

Phone

(423) 922-9224

Fax

(423) 525-5708

NPI assigned

Jul 29, 2025

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

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

Specialty

Nurse Practitioner

Education

Other, 2025

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Healthstar Physicians PCGroup PAC ID 5890690978, 89 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Greeneville Community Hospital Hospital, Greeneville, TN, CCN 440050

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: maryellen.johnson.1@3525.direct.athenahealth.com

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.

• Healthstar Physicians, P.C.

  • Family Medicine Physician
  • Morristown, TN
  • NPI 1184610248
  Medicare reassignment Care Compare group NPD
• Healthstar Physicians PC

  • Pain Medicine (Anesthesiology) Physician
  • Morristown, TN
  • NPI 1841187648
  NPD
• East Tennessee Primary Care Associates

  • Family Medicine Physician
  • Knoxville, TN
  • NPI 1134271745
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Takoma Regional Hospital Inc

  • General Acute Care Hospital
  • Greeneville, TN
  • NPI 1699819003
  Care Compare affiliation

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

{
    "created_epoch": "1753747200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1710860432",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3225 EAST AJ HWY",
            "city": "GREENEVILLE",
            "state": "TN",
            "postal_code": "377454066",
            "telephone_number": "423-922-9224",
            "fax_number": "423-525-5708"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3225 EAST AJ HWY",
            "city": "GREENEVILLE",
            "state": "TN",
            "postal_code": "377454066",
            "telephone_number": "423-922-9224",
            "fax_number": "423-525-5708"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JOHNSON",
        "first_name": "MARYELLEN",
        "credential": "FNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-07-29",
        "last_updated": "2026-07-13",
        "certification_date": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "TN",
            "license": "39345",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Angela Helen Johnson, PTA
• Daniel Patrick Johnson, APRN
• Jennifer Leigh Johnson, APRN, FNP-C
• Kelly Vanessa Johnson, PHARM D
• Larry G Johnson, CRNA
• Teena Helen Johnson, R. N.
• David Blair Jones, DDS
• Erin Peavyhouse Jones, PHARMD
• Justin Alan Jones, D.O.
• Leslie Jones, RN

• Family Nurse Practitioner in Greeneville, TN
• Providers in Greeneville, 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 Jul 13, 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.