Agnes Diane Leon - Barriera, MD

Primary specialty

Geriatric Medicine (Internal Medicine) PhysicianTaxonomy code 207RG0300X

License

73522 Issued in TN

Practice address

2009 Gallatin Pike N
Madison, TN 37115-2001

Phone

(615) 247-4036

NPI assigned

Feb 13, 2019

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Electronic endpoints 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: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Internal Medicine

Education

Other, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Centerwell Senior Primary Care TN PCGroup PAC ID 6709261712, 39 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Tristar Skyline Medical Center Hospital, Nashville, TN, CCN 440006
• Tristar Hendersonville Medical Center Hospital, Hendersonville, TN, CCN 440194

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: agnes.leon.-.barriera.1@29601.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.

• Centerwell Senior Primary Care TN PC

  • Internal Medicine Physician
  • Nashville, TN
  • NPI 1649900135
  Medicare reassignment Care Compare group NPD
• Centerwell Senior Primary Care TN PC

  • Internal Medicine Physician
  • Madison, TN
  • NPI 1366169278
  NPD
• Centerwell Senior Primary Care TN PC

  • Internal Medicine Physician
  • Murfreesboro, TN
  • NPI 1578354668
  NPD
• Centerwell Senior Primary Care TN PC

  • Internal Medicine Physician
  • Miami, FL
  • NPI 1770222473
  NPD (past)

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

• Hendersonville Hospital Corporation

  • General Acute Care Hospital
  • Hendersonville, TN
  • NPI 1538114434
  Care Compare affiliation
• Hti Memorial Hospital Corporation

  • General Acute Care Hospital
  • Nashville, TN
  • NPI 1295780476
  Care Compare affiliation

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

{
    "created_epoch": "1550016000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771372800000",
    "number": "1922564079",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2009 GALLATIN PIKE N",
            "city": "MADISON",
            "state": "TN",
            "postal_code": "371152001",
            "telephone_number": "615-247-4036"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2009 GALLATIN PIKE N",
            "city": "MADISON",
            "state": "TN",
            "postal_code": "371152001",
            "telephone_number": "615-247-4036"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LEON - BARRIERA",
        "first_name": "AGNES",
        "middle_name": "DIANE",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2019-02-13",
        "last_updated": "2026-02-18",
        "certification_date": "2026-02-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Geriatric Medicine",
            "state": "TN",
            "license": "73522",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "agnes.leon.-.barriera.1@29601.direct.athenahealth.com",
            "affiliation": "N",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "2009 Gallatin Pike N",
            "city": "Madison",
            "state": "TN",
            "country_code": "US",
            "postal_code": "371152001",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Anna Lawrence
• Carlton Taylor Leding, DDS
• McKenzie J Lee
• Shannon Lee
• Legacy Treatment LLC
• Lindsay Jo Leonard, CF-SLP
• Sarah Rose Leonovicz
• David K Lepard, B.A.
• Leta Kant
• John M Levoy, MD

• Geriatric Medicine (Internal Medicine) Physician in Madison, TN
• Providers in Madison, TN by specialty
• Geriatric Medicine (Internal Medicine) Physician in Tennessee

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 18, 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.